Dentron Amplifier Mods

Heathkit SB-220 Modifications. What key features would turn the SB200 into a contemporary amp with modern creature comforts? And what tube would do the job. 5 ~ 5 hours for units with really tough problems. I came into the picture as a consultant at Twinsburg. This page contains files & images of user manuals, service manuals, schematics, and other info for various rigs that I own (or have owned). If you're looking for a RF amplifiers HF, VHF or UHF look no further as we have a very large range of equipment to hand. ˘ ˇˆ˙ ˝˛ ˚ˆ˜ ˝ˆ ˇ ˝ ˝! ˜ " ˆ ˙ˆ# !˜ $ % ˆ˙! $ ˜˛ & ˆ ˜ ˛ 'ˇ. The trimmer cap is tuned for best input match with a SWR meter BETWEEN the amp and radio. Ameritron was not Dentron, but had some of the same staff. Dentron MLA-2500 Power Amplifier. Fully complete the DenTron Registration card included in the information package and return it to Den Tron. 3-500z (2) amp supply. pdf Dentron_DTR-1200L_user. Some bare Dentron GLA-1000 (Plane) series amplifiers A 27 kΩ resistor cuts off plate current flow when the amplifier is not being used. If you have some stuff that not is listed here you can donate this by contact mods. com in a single category. DENTRON 160-10L HAM Radio Linear Amplifier w/ 4 Dentron 572B T160L Tubes - $261. Many of these modifications can be done as stand alone mods. Showing all 3 results. Rebuilt approximately 2012 this amplifier has seen less than 10 hours of usage. So, if your using a cb radio, you will have to use a small driver amp to get much output. Dentron MLA-2500 GI-7B Conversion Based on W4ZT, W4EMF, K4POZ Conversions This is yet one more Dentron MLA-2500 conversion. com, Workman, Workman Electronics, Workman Electronics Products, WEP, CB, CB Radio. Relay K1A contact short the resistor out when the amplifier is keyed allowing the operatin g bias (D1) to hold the idling plate current via RFC1. Currently wired for 120 VAC and putting out 400-500W per band with 100W drive. AMPHF - FS Dentron GLA-1000 Really nice looking GLA-1000. There are some who HATE on Dentron. Becauseof the present unfor­ tunate FCC regulations, it has to be sold as a 80-15 meter amplifier. It may not be as it came from the factory. Yes I know it's not a heathkit, However, I have been unable to find a group that for this amp, so I'm turning to the experts here. You can operate the AL-811 on all modes. pump shotgun, Remington mod. Dentron 160 - 10 Super Tuner Schematic Operating. Packaged Power Transformer click to enlarge. A Dentron mod site is where I got the idea for trying the biasing mod. I have a soft copy. There is another version of fil hum created in linears…. I have picked up a orginial no mods Gl-1000 it has a plate voltage of 1100 volts on the plate. 在線購買PWDP13095電子元器件,查找PWDP13095 Hammond Manufacturing分銷商,PWDP13095的庫存,數據表和價格. Racal RA6790/GM. Driving a Dentron MLA-1200 with 35 Watts in to a 2500 Watt Dummy Load. 8 To 30 Mhz 2020-05-05 02:39:48 Messenger M4 Early Linear Cb Ham Amplifier Mrf455 Double 2020-05-04 13:45:20. com in a single category. Would the Real GLA-1000 Please Stand Up. Digi-Key offers 10. 093" thick! The use of flameproof resistors and 3 amp 1000 vpiv diodes is standard. It uses four 572B's and it has the tuned input built in. 3 MB: AA-1600: Power Amplifier Schematic only : 38 KB. Siltronix Radios used the 8950 in pentode high gain mode, the screen. Repair and Mods. But this point should not be simply wired to the packet connector, because it has a pretty low level, too low to properly drive a sound card line level input. 870 Express Magnum 20 ga. drive amplifiers (like Dentron and Amp Supply), the bias has to be changed, the tube pins have to be routed to their proper functions. The GLA1000B was a cheap low cost 600 watt amplifier to compete against the Heathkit SB-200. DENTRON DTR-2000L HF Amplifier with new 3CPX1500 / 8877 Tube Discussion in ' CB Radio Gear eBay Auctions Ending Soon ' started by Ebay , Jan 29, 2018. HF-VHF-UHF POWER COAXIAL TRIODE. The transformer is showing 1000 volts, the caps look good as far as I can tell. Find great deals on eBay for heathkit sb-220 and heathkit sb-200. Virtually any amp that has a tube(s) that will operate at 50 mHz is a candidate. Does THAT sound weak to you?!? Even so, some modifications are planned:. HF Stability HF instability or instability near the operating frequency of an amplifier is by far the most damaging for of oscillation. Amplifier Dentron MLA 2500 Operating Manual. 6 amps AC, more than sufficient for many amplifiers (Such as Heath SB220, Collins 30L1, 30S1, Henry 2K, Ameritron AL-80, Dentron GLA-1000, QRO, etc. 66 KB Brain Waves and Biofeedback Training. There is allot of RF in a small RF cavity. I came into the picture as a consultant at Twinsburg. 00 Thanks Frank vk5vl 0404301839. After a bit of operation, they arced. This retrofit requires some metal cutting and moving of the RF sampling board and antenna relay. PM-CLIPL Replacement Power Supply Module for Clipperton L $100. Dentron DTR-2000L are great for those who require lots of power!. 在Ariat Technology Ltd. I would like to know if someone knows who can repair a Dentron 160-10 L linear amplifier. ˘ ˇˆ˙ ˝˛ ˚ˆ˜ ˝ˆ ˇ ˝ ˝! ˜ " ˆ ˙ˆ# !˜ $ % ˆ˙! $ ˜˛ & ˆ ˜ ˛ ’ˇ. 55ft Tubular Tower w/MARB 550 Rotating Base. Only 8 left in stock (more on the way). Dentron 160 - 10 Super Tuner Schematic Operating. sub-174-229-131. 32: Save Your Dentron GLA-1000 with the Svetlana EL509 By George Badger, Bob Alper, and Eric Barbour. There is allot of RF in a small RF cavity. Nice compact amp. Dentron RF Amplifiers Documentation Project CBTricks. ACOM - 1000. In addition, specific models mentioned in the RF linear amplifier forums, Like MFJ, yaesu, icom, Microset ,Mirage, Ameritron HF Linear Amplifier and more are here for future reference. Kevin Listing #1485775 - Submitted on 04/24/20 by Callsign K8SU, Modified on 04/25/20 - IP: 34. By and large this one follows the steps outlined by W4ZT, W4EMF, and K4POZ and their work is gratefully acknowledged. 093" thick! The use of flameproof resistors and 3 amp 1000 vpiv diodes is standard. DENTRON GLA-1000B Linear Amplifier MANUAL: Kenwood TS-930SAT with Upgrade Mods:. However, on AM or a solid carrier, the hum is very easy to see on a scope or hear. This amp does not have an input tuned cicuit so I experimented with an LDG auto tuner and a small manual tuner from MFJ. 40MHaz is typical. This is a Dentron DTR 2000L in which I repaired. enough to enhance the amp and the matching MFJ-984 (MT-3000a clone) tuner. Most HF amplifiers that were manufactured in the last twenty years did not include 160 meters because high power was permitted there only during the nearly useless daylight hours. pdf Dick_Smith_K-6307_user. This is a small add on active DSP audio filter made by Radio Shack primarily for use on SSB and CW modes. Incidentally, the maximum current for the 8V line and the sink for the squelch switch is 10 mils! The data protocol for the HM151 is located here in PDF. Amplifier Dentron MLA 2500 Operating Manual. I often misplace items like this, so I'm hoping this will help me take better care of these. 7 MHz - 1500 Watts minimum on all served bands - -30 dBc Read more →. I hope they might help others looking for the same info as well. Fully complete the DenTron Registration card included in the information package and return it to Den Tron. FREE Shipping by Amazon. About 300 to 350 watts out. I am now accepting new manuals for inclusion in this archive. PM-CLIPL Replacement Power Supply. Such a direct connection I have done in all HF amplifiers, for example Yaesu FL2100, Dentron GLA1000, AEA LA30, NEC CQ301, Heathkit SB200, TenTec Centaur and my own designs. The only HF amp I've used was a Dentron Clipperton using 4 572Bs. Here is the rear of the amplifier. Whether you are just an interested browser, an amateur radio operator, a high RF power enthusiast, a professional electronics engineer or a broadcaster, you will find something of interest in this new website. Ten-Tec 1210 10-Meter to 2-Meter. The Boat Anchor Manual Archive Path: /metron/ma1000b-ms. Now through April 30, 2020. There's no compromise on WARC and most MARS bands -- you get 100% rated output. This amp does not have an input tuned cicuit so I experimented with an LDG auto tuner and a small manual tuner from MFJ. (1) The Commission determines the amplifier can be used in services other than the Amateur Radio Service, or (2) The amplifier can be easily modified to operate on frequencies between 26 MHz and 28 MHz. It is an instant-on (10 seconds) amplifier, and operates on all amateur bands (including WARC) from 160 through 10 meters. dentron mla-2500 cap board. In its factory configuration it uses a single 3CX1200A7 (triode) tube, grounded grid configuration. My pcb is. You may possibly build a HF amplifier with the information in this article. The MLA-2500 series is one of the most compact linear amplifiers of its power class. Inductors while this deals mainly with loading coils, it is also true for amplifiers. For a limited time, enjoy an extended 60-day return period for Denon. If you're looking for a RF amplifiers HF, VHF or UHF look no further as we have a very large range of equipment to hand. Toroid power transformers are used throughout. Does anyone know if there is a replacement tube that might "Drop In" with little or no mods to the amplifier. More Dentron Radio Co. Kind of wonder if this little guy had the short problem all along and it kept changing hands. For Sale: – OAL 70 cm (432 MHz) Power Amplifier. when i flip swith to current it does not move. we did not try to test it. However, a simple and economical. I'm not to sure what if any my plans are for this vintage 70s amp. Dentron 160-10L Linear Amp Circuit Diagram. This is from the estate of a late Ham (my father. Does Not Include Anchor Bolts. Toroid power transformers are used throughout. I've used the Ameritron AL-1200 linear amplifier for several years (since the end of 1997). Dentron RF Amplifiers Documentation Project CBTricks. Title: GI7B Schematic Author: tlee Created Date: 6/21/2004 5:32:22 PM. Denny Dentron sold a ton of these workhorses. Compilation Service Manual of Texas Star amplifiers. Today were highlighting the vintage Crown D-150 Power Amplifier. Manuals & Schematics. 5 7 14 21 28 Band 160m 80m 40m 20m 15m 10m. If you are interested I can sent you a copy. To begin with, the pcb is double sided with plated through holes. There is another version of fil hum created in linears…. If you have questions you can contact me directly at: [email protected] I personally have seen 2KW+ out of my 76A. Would the Real GLA-1000 Please Stand Up. Copy of manual for a DENTRON GLA-1000B amplifer, now, some manuals my have schematics won't, the manuals, are all used and could be little dirty, maybe small tear in page i'm selling cheaper, just to get rid them. Dentron MLA-2500 GI-7B Conversion Based on W4ZT, W4EMF, K4POZ Conversions This is yet one more Dentron MLA-2500 conversion. The Dentron 160 -10 AT Antenna Tuner {Transmatch), will couple a 160 -10 meter Transmitter to almost any type Antenna system. BUILD AN HF ANTENNA TUNER MAKE A HOMEBREW HF-VHF ANTENNA TUNER (It really isn't all that difficult. The Tuned Input Board was designed for the Dentron GLA-1000B amplifier but can be used in any amplifier needing a Tuned Input. Dentron Linear Amp Circuit Diagram. amp supply. Dentron Collins Ameritron Gonset. I know that I will either have to build a keying circuit for the RCI 2990 to excite the Dentron for use in the cw low power position or a simple foot switch with 1/4 RCA jack to relay on the Dentron before I key the transceiver to. Home :: Antennas :: Mobile Antennas :: High Frequency 160-10 Meters High Frequency 160-10 Meters If you need help choosing the right antenna please visit our antenna tutorial. 1:1 Waterproof HF Balun Voltage Balun for 160m-6m. It features redesigned rectifier/timer and filter capacitor PC boards, new modern 220μF 450VDC electrolytic capacitors, 1000 PIV 3A diodes, new 100Kω 3W bleeder resistors and a precision high voltage meter divider string. This is part of a ham radio collection I purchased. 292432120318. The early Dentron Super Tuner is rated at 1 KW; I have run it at 100 Watts AM (equivalent to 400 Watts or more PEP) with no problems. If you just put 5 or so watts in, you will just get 25 or so watts out. There's more to contesting than HF. More Buying Choices. It probably needs 50 watts or more to get full output, which is probably about 400 watts for those 4 tubes. The only HF amp I've used was a Dentron Clipperton using 4 572Bs. Output 9 volts DC, 1600mA, fully regulated. Dentron Clipperton L 160M - 10m Amplifier Restoration & Modification. Dragon SS201 Circuit Diagram. I still have the older Yaesu gear, but my main radios are a pair of Icom IC765's, with Inrad CW filters and the Inrad roofing filter mod. A friend told me I can swap out the 572B's And put 811A And run it at 1800 plate voltage and they will work fine and do about 600 watts. dentron mt-2000a antenna tuner dentron mt-3000a antenna tuner dentron rt-3000 antenna tune dentron w-2 wattmeter. Dentron Clipperton-V CL-144 (2 m) SPECIFICATIONS. I am using two of these right now, one each for my IC-756 and IC-746. Dial pointer lamp - 8 volt, 0. A Dentron mod site is where I got the idea for trying the biasing mod. pdf Dentron_MLA-2500_mod. Audio Space Acoustic Laboratory AS-2. Key to manual types: OM or OP erating, SER vice, SCH ematic only, ART icle, PART ial, AD vertisement, ASS embl Y, INST ructions only, DESC ription, DAT a, , e or es Digitally Scanned, SPEC ification S, BOOK, INFO rmation, CAT alog, HISTORY. TIG/Stick Square Wave Inverter AC/DC Aluminum Welding TIG200 200A. Charlie was strongly recommending the Gi7b - he was possibly the first to have converted the MLA2500 Dentron to use these tubes and many mods with this tube have been published since. Twenty bucks and it was mine. Description. PDF, rus - 457kb ACOM - 2000A. The ES4L4-B is a combination soft-start/soft-key/bias board for the L4-B amplifier. Dentron GLA1000 Modifications Dentron glt 1000c antenna tuner manual Partly finished conversion with a doubling power supply, a 12. The large one at the right is the HV transformer. HAM RADIO AND CONSUMER ELECTRONICS REPAIR LABOR RATE: $55 per hour. Manufacturer: Dentron. I have picked up a orginial no mods Gl-1000 it has a plate voltage of 1100 volts on the plate. (There is a one hour minimum charge) On average, equipment repairs are complete in 1. 6 viewed per hour. These specifications are guaranteed for Amateur Bands only. There is another version of fil hum created in linears…. Dentron Clipperton-V CL-144 (2 m) SPECIFICATIONS. But after seeing the plate voltage sag under load, and not considering this was used as negative feedback to stabilize the amp, I designed a beefed up full bridge rectifier, which replaced their 1/2 bridge voltage doubler with a boat load of filtering caps. Restoration Reproduction Parts Sort by: Sort by Featured Items Newest Items Bestselling Alphabetical: A to Z Alphabetical: Z to A Avg. GS-35B Russian Triode - My Linear Amp Project - This page evolved from a group amp project started in early 2004. Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low. DENTRON GLA-1000B Linear Amplifier MANUAL: Kenwood TS-930SAT with Upgrade Mods:. TelePost Inc. No Comments; Photo Sharing; About SmugMug; Browse Photos. Ameritron AL-80B Amp. The GLA1000B was a cheap low cost 600 watt amplifier to compete against the Heathkit SB-200. 66 KB Brain Waves and Biofeedback Training. Ham Repair Guy - For All Your Amp Building, Amp Repairing and Part Buying Needs. Currently wired for 120 VAC and putting out 400-500W per band with 100W drive. User Manual. AMPHF - FS Dentron GLA-1000 Really nice looking GLA-1000. The 160 -10 AT also includes a highly efficient balun, so antennas fed with open - wire line may be properly tuned to desired frequency. There's no compromise on WARC and most MARS bands -- you get 100% rated output. If you are interested I can sent you a copy. Get it as soon as Tue, Feb 18. Dentron Manuals from Vintage Manuals, Inc - Dentron: Clipperton V: Amplifier: 6M Mods Manual: $5: Dentron: CM-1: Tuned Input for Clipperton L: Dentron: JR Monitor: Antenna Tuner: Operator Manual +schematic. BTW, it is a good idea to do the AC fil xfmr mod. Ameritron was not Dentron, but had some of the same staff. I don't know much about Dentron Amplifiers but this one was given to me on good faith that it is in working condition. Higher power amplifiers such as the Ameritron AL-82, the AL-1500 and the. Rebuilt approximately 2012 this amplifier has seen less than 10 hours of usage. HAM RADIO ( sale or trade ) i have a Dentron JR antenna tunerthe tuner works fine you will need to use your External SWR meter with it. pdf Dentron_GLA·1000B_review_1980. The FT-991A is the next generation in all mode, all band MF/HF/VHF/UHF transceiver with C4FM (System Fusion) Digital capability. ; Twinsburg manufacturer in USA, Model types from United States of America , 17 radios, 20 pictures, 18 schematics, tubes, radio. Dentron MLA-2500 manual The MLA-2500 is a good quality SSB linear amplifier with 600 watts total plate dissipation and a 1KW DC CCS input rating, covering the traditional ham bands from 160 to 10 meters plus a bit extra for MARS. *The photographic and printing processes may cause the. The input is untuned. For a 50kW amplifier a parasitic resonance c. Totally different, yet the same. The output band-change circuit is a PI-network that switches extra capacitance into the. Lotos PCS22 Plasma Cutter Consumables Sets for Brown Color LTP5000D and Brown Color LTPDC2000D (22) MIG Welder 220-Volt 175-Amp MIG175 Wire Feed Welder with Spool Gun. Ameritron AL-1200 to GS35B Conversion. Providing the tubes are in good shape I got the amp at a good enough deal to experiment on. It is an instant-on (10 seconds) amplifier, and operates on all amateur bands (including WARC) from 160 through 10 meters. Only 8 left in stock (more on the way). Manufacturer: Dentron. 3-500z (2) amp supply. enough to enhance the amp and the matching MFJ-984 (MT-3000a clone) tuner. The output band-change circuit is a PI-network that switches extra capacitance into the. Hi Guys, I have a Dentron GLA-1000. 66 KB Brain Waves and Biofeedback Training. defpom Defpom CB cb schematics communications cbradio mods radiomods modification modifications expansion add ons bleep frequency ham HAM amateur radio projects Amateur mods Mods mod CB radio circuit diagrams block diagrams component data sheets intergrated circuits pinouts RF signal FET transistors cct uniden Uniden cobra Cobra president President realistic Realsitic superstar Superstar. 400 watts output on all supplied ham radio bands. Charlie was strongly recommending the Gi7b - he was possibly the first to have converted the MLA2500 Dentron to use these tubes and many mods with this tube have been published since. Amp supply 3-500zc. 5, or 1800 watts P. Get a clean signal—no RF hash on your signal or receiver—with Ameritron switching power supplies. we did not try to test it. In addition, specific models mentioned in the RF linear amplifier forums, Like MFJ, yaesu, icom, Microset ,Mirage, Ameritron HF Linear Amplifier and more are here for future reference. Eagle 500 Linear Amplifier Circuit Diagram. 6 amps AC, more than sufficient for many amplifiers (Such as Heath SB220, Collins 30L1, 30S1, Henry 2K, Ameritron AL-80, Dentron GLA-1000, QRO, etc. Someone had added one ohm carbon composition resistors in series with the plate of each tube (between the parasitic suppressor and the RF choke). 8 To 30 Mhz 2020-05-05 02:39:48 Messenger M4 Early Linear Cb Ham Amplifier Mrf455 Double 2020-05-04 13:45:20. GUNS: Remington mod. An amp equipped with three of these tubes has 1200 watts of plate dissipation, and can safely key down 1200 watts AM, FM, & CW, if the power supply is up to the task. For some help. The Dentron 160 -10 AT Antenna Tuner {Transmatch), will couple a 160 -10 meter Transmitter to almost any type Antenna system. 2M + products from 1,200+ manufacturers. I don't know much about Dentron Amplifiers but this one was given to me on good faith that it is in working condition. The 160 -10 AT also includes a highly efficient balun, so antennas fed with open - wire line may be properly tuned to desired frequency. Wood Is Banded click to enlarge. Denny Dentron sold a ton of these workhorses. I still have the older Yaesu gear, but my main radios are a pair of Icom IC765’s, with Inrad CW filters and the Inrad roofing filter mod. Audio Space Acoustic Laboratory AS-2. Does THAT sound weak to you?!? Even so, some modifications are planned:. pdf Dentron_DTR-2000L_user. Command full legal power output with one of. > Someone replaced the meter switch with a 3 position switch and, according > to Ron, was a by-pass switch. pdf Dentron_MLA-2500_mod. I am using two of these right now, one each for my IC-756 and IC-746. The pictures are of the (my) older model 80, 40, 20 and 15 m Dentron GLA-1000 (Plane, no tuned input) HF linear amplifier. MFJ Enterprises Inc,Ameritron,Hy-Gain,Hygain,Cushcraft,Vectronics,Mirage,MFJ,MFJ Enterprises,Antenna,Radio,Ham Radio,Amateur Radio,Tuner,Analyzer,Starkville,Amplifier. Dentron amplifier item works pre-owned has scratches scuff marks and dents but overall item works fine. This amp does not have an input tuned cicuit so I experimented with an LDG auto tuner and a small manual tuner from MFJ. Includes: Component layouts, Schematic Diagrams, and Interconnection Diagram and Parts List (Some Models). It had spent many years in storage at the department of electrical engineering at U. Other units that convert well are the Amp Supply LK-500 and LK-450, Heathkit SB-1000 and the Ameritron AL-80, AL-80A, and AL-80B. Ships from and sold by Amazon. Might want to convert it to 6 meters depending if I can >>find an easy conversion to the 3cx800a7's or not. Ebay Active Member. The third requirement, the VHF resonant circuit, is a given in all HF amplifiers. The main category is Amateur linear amplifiers that is about HF amplifiers for ham radio use. For some help. HAM RADIO AND CONSUMER ELECTRONICS REPAIR LABOR RATE: $55 per hour. amp supply. Path: /dentron/clipl/ This is the BAMA archive. Someone had added one ohm carbon composition resistors in series with the plate of each tube (between the parasitic suppressor and the RF choke). For under $350 including sockets and tubes, the amplifier can be converted to run two Svetlana. Input 2 W, output 75 W, 24-28 VDC, includes T/R relays and provisions for preamp (switched off voltage on TX). Brand: Texas Star. This all-in-one board limits inrush current during amplifier start-up by placing a small resistive load in series with the AC mains. Eagle 500 Linear Amplifier Circuit Diagram. Low balls ignored, I'm a ham myself and know it's value. The Dentron Clipperton L power supply upgrade will simply amaze you. Power Amplifiers Dentron Clipperton-L (Clipperton L ClippertonL) service manual and specs Dentron DTR-2000L (DTR 2000 L DTR2000L) service manual and specs Dentron GLA-1000 (GLA 1000 GLA1000) service manual and specs Dentron GLA-1000B (GLA 1000 B GLA1000B) service manual and specs. The 160 - 10 AT, when properly adjusted, will tune out load reactance, and transform the load impedance to 50 - 70 ohms. This amp does not have an input tuned cicuit so I experimented with an LDG auto tuner and a small manual tuner from MFJ. Amplifier keying interface for ICOM radios & others. The early Dentron Super Tuner is rated at 1 KW; I have run it at 100 Watts AM (equivalent to 400 Watts or more PEP) with no problems. Lord, the schematic please look at it. The system can't verify your identity! This error occurs because there are no e-mail and password stored on your computer for this site. pdf Dentron_Clipperton_QRO_user. amateur-radio-portable-antennas. Fully complete the DenTron Registration card included in the information package and return it to Den Tron. GLA-1000 Amateur-D Dentron Radio Co. CASH OR TRADE will trade for a 2 meter mobile a dual band or Astati. 1 MB: AA-161: 14W Audio Amplifier Schematic only : 226 KB: AA-181: Mono Amplifier Complete manual : 1. Does THAT sound weak to you?!? Even so, some modifications are planned:. Clipperton QRO: DTR-2000L: GLA-1000: GLA-1000B: GLA-1000C: MLA-1200: MLA-2500: MLA-2500B. This page contains files & images of user manuals, service manuals, schematics, and other info for various rigs that I own (or have owned). And as to the "L" being 811's not 572's hihi it's really an "M" but dentron like so many others used up the face plates already made. 3 uH coil in parallel with a 250 pf trimmer cap will improve the input match for 11/10 meters, placed between the center wire of the input coax from the relay and ground (parallel to the input circuit). So, they sell an amplifier that functions up to 21 Mhz, then for licensed amateurs, they sell the parts to "modify" the amp for 12/10m. Showing all 3 results. This is a full legal limit linear amp. It is an instant-on (10 seconds) amplifier, and operates on all amateur bands (including WARC) from 160 through 10 meters. Double Wall Cardboard Protection click to enlarge. This is a like full 1000W Power Amplifier Circuit Diagram. There is allot of RF in a small RF cavity. The 160 -10 AT also includes a highly efficient balun, so antennas fed with open - wire line may be properly tuned to desired frequency. I replaced two of them. Dentron MLA-2500 manual The MLA-2500 is a good quality SSB linear amplifier with 600 watts total plate dissipation and a 1KW DC CCS input rating, covering the traditional ham bands from 160 to 10 meters plus a bit extra for MARS. Home :: Antennas :: Mobile Antennas :: High Frequency 160-10 Meters High Frequency 160-10 Meters If you need help choosing the right antenna please visit our antenna tutorial. Added to the balun, an outdoor amplifier – Wellbrook ALA-100M. A smaller 160-10AT looks like it will be OK for a 100 Watt CW or SSB signal; I have another page for that tuner, with a mod which works better on 160 and 80 meters. The Dentron 160 -10 AT Antenna Tuner {Transmatch), will couple a 160 -10 meter Transmitter to almost any type Antenna system. pump shotgun #9571, Fox Sterlingworth 12 ga. The PM-2500 is a complete replacement power supply and delay timer for the Dentron MLA-2500 & MLA-2500B. Dentron amplifier problems, Jim W7RY <= Re: [Amps] Dentron amplifier problems, Tim Kass;. I tested the hv caps and found no shorted or open caps, but I did find plate choke was over heated and insulation was cooked. Lord, the schematic please look at it. Ameritron delivers the power and clarity you demand. DSPUPGRADE, REMOTEI/O BOARD, 2M XVTER INTERFACE BOARD, REFLOCK. Repair and Mods. BRAND NEW TEXAS STAR MODULATOR V-PLUS V MOD 2879 transistors CW AMPLIFIER Amp. we are told it is wired for 220. Sold as is but working perfectly. DTR-2000. Limited Stock: Electronic parts and equipment that we will no longer be able to acquire. pdf Dentron_GLA·1000B_review_1980. HAM RADIO ( sale or trade ) i have a Dentron JR antenna tunerthe tuner works fine you will need to use your External SWR meter with it. Some Background: I picked up this amplifier a few years ago I used it for awhile with my "hybrid" rigs but after talking to a loud local station on 75 Meters he reported a hum on my signal. About 300 to 350 watts out. Many of these modifications can be done as stand alone mods. Distributor of Bird Technologies RF measurement equipment. I replaced two of them. output on SSB. 3 MB: AA-1600: Power Amplifier Schematic only : 38 KB. And on line if you search 160-10m you get 160-10l for a manual/schematic. "As an electronics design engineer who has worked for several top electronics companies (including Collins Radio in the days of the S-Line) I know superior design when I see it. If you're looking for a RF amplifiers HF, VHF or UHF look no further as we have a very large range of equipment to hand.  I recently acquired a Dentron, MLA-1200 Amplifier. The wide part goes to the front of the amp Move more air over the tubes with an alternate style of fan for more efficient cooling. 2000 (At age 45 with 34 years in amateur radio) Above on Left: Collins KWS-1 transmitter with Collins 75a4 receiver sitting on top. 700 amateur radio topics - 6,000 links & 133 pages - from antennas to zones. Does Not Include Anchor Bolts. Having only had the amp for a few weeks, I know this is going to be a good addition to the shack. 15 Add to cart. I still have the older Yaesu gear, but my main radios are a pair of Icom IC765's, with Inrad CW filters and the Inrad roofing filter mod. Includes insulated base plate and heavy. The amp is real tiny compared to any other. ISLAND AMPLIFIER USA was founded by John Stanford, KF6I, in 2014. It uses a 3CX1200A7 rugged power Triode paired with a Peter Dahl Transformer. They were an up and coming company and they made. The unit uses a 4CX250B in grounded grid, which makes it usable with most 2 meter rigs that have outputs in the 10 to 20 watt range. It had spent many years in storage at the department of electrical engineering at U. There is another version of fil hum created in linears…. To compare the key metrics of the tube, this table is helpful to put things into perspective:. This is the manuals page for Dentron. After a bit of operation, they arced. Linear Amplifier Primo Tube Set 811A (4) Dentron Collins Ameritron Gonset. I got the Dentron Clipperton-L at a hamfest mid-2019. 00 shipping. The GI-7B(t) is a very rugged metal ceramic tube built during the cold war for use on Russian tanks and other military vehicles. These transformers are usually produced individually - to. no mods are apparent. The Dentron GLA amplifiers are just as popular now as they were in the late 70's. GUNS: Remington mod. 870 Express Magnum 20 ga. Date: unknown. The positive side of the power supply is at chassis ground and the negative side is connected to the voltage divider. I don't know much about Dentron Amplifiers but this one was given to me on good faith that it is in working condition. For Sale: – OAL 70 cm (432 MHz) Power Amplifier. amp supply. Digi-Key offers 10. The Dentron 160 -10 AT Antenna Tuner {Transmatch), will couple a 160 -10 meter Transmitter to almost any type Antenna system. This is NOT a CB amplifier. Amp Modifications. Home of the AM Press/Exchange, The AM Forum (the largest BBS of it's kind),and The AM Classifieds, Photos, Audio, and technical information. PM-CLIPL Replacement Power Supply. Dentron Mla-2500 High Frequency Linear Amplifier Dentron Mla-2500 High Frequency Linear Amplifier: NO MODS ARE APPARENT. What key features would turn the SB200 into a contemporary amp with modern creature comforts? And what tube would do the job. I have a nice Ham Radio Tuner for sale. Amp Conversion Links. Shop the Largest Selection, Click to See! Search eBay faster with PicClick. Dentron Manuals from Vintage Manuals, Inc - Dentron: Clipperton V: Amplifier: 6M Mods Manual: $5: Dentron: CM-1: Tuned Input for Clipperton L: Dentron: JR Monitor: Antenna Tuner: Operator Manual +schematic. DX Engineering offers a wide variety of ACOM products, including its acclaimed 2000A, 600S, and 1000 amplifiers. The third requirement, the VHF resonant circuit, is a given in all HF amplifiers. This Item is "AS-IS". If you are interested I can sent you a copy. Parts & Upgrade Kits for Dentron Amplifiers. Denny Dentron sold a ton of these workhorses. I was looking for a cabinet to house a homebrew GI-7B amp that I was moving from rack mount to table top. - NEWS! This listing of transformers and chokes is directly from the Peter W. Dragon SS485 Circuit Diagram. This is a Dentron DTR 2000L in which I repaired. Sold as is but working perfectly. Here is the front of the amplifier. PM-CLIPL Replacement Power Supply Module for Clipperton L $100. But enough about coupling caps, and please don't be distracted by all this coupling cap talk, if you are considering a new Leben CS600X just go for it. Dentron Clipperton L 160M - 10m Amplifier Restoration & Modification. Pros: A lot of power out of a relatively compact, lightweight package (about 50 pounds). I have included a NOS set of 6LQ6 tubes tested at 100% on my B&K Dyna Jet 607 Tube Tester. with 100 watts of drive on ALL bands. DX Engineering offers a wide variety of ACOM products, including its acclaimed 2000A, 600S, and 1000 amplifiers. I'm not to sure what if any my plans are for this vintage 70s amp. BTW, it is a good idea to do the AC fil xfmr mod. 94 32 Spcl. pump shotgun, Remington mod. There are two ways to order, by putting in the exact. The PM-2500 is a complete replacement power supply and delay timer for the Dentron MLA-2500 & MLA-2500B. 6 VAC filament transformer and 2 × GI-7B. 1 MB: AA-161: 14W Audio Amplifier Schematic only : 226 KB: AA-181: Mono Amplifier Complete manual : 1. Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low. Vintage Stock: Electronic parts and equipment that was manufactured in the United States as early. One of the most practical and useful tuners I ever owned was the one made by the Dentron Company back in the 1970s and early 80s. However, on AM or a solid carrier, the hum is very easy to see on a scope or hear. ) Delivery in eastern Nebraska as drop off available. item 12 front panel for dentron clipperton l amplifier - front panel for dentron clipperton l amplifier $54. Dragon SS201 Circuit Diagram. This can cause that you haven. BTW, it is a good idea to do the AC fil xfmr mod. Tubes seem to be pretty good doing about 90% and looks like its been serviced within the last few years, All in all she's pretty clean, No mods that I can see. Tubes have full output on all bands. workmanelectronics. Dentron GLA 1000B 15-20-40-80 linear Amplifier. It is designed to safely withstand up to 240 W of reflected power, up to 100 milliseconds of drive spikes (RF "tails" after a PTT or KEY release), and even operator tuning errors. Here we have a used Dentron GLA-1000B Linear Amplifier. The GLA1000B was a cheap low cost 600 watt amplifier to compete against the Heathkit SB-200. The Dentron DTR 2000L Linear Amplifier is a conservatively designed 2000 Watt PEP 160 15 meter Amplifier of unique design. Heathkit Ha14 Vintage Ham Radio Amplifier With Hp242020-05-05 19:39:39 Acom 1101 Hf Linear Amplifier 1. Having only had the amp for a few weeks, I know this is going to be a good addition to the shack. The next photo shows the power supply side of the amplifier. 500 S&W Magnum or. In general, the location of your new Clipperton L is not critical. lk450ntc linear. A search of the QST archives will reveal numerous excellent technical articles specific to these modifications. The New FT-991A now includes a high-resolution. Jul 19th 2015, 18:12: W1VT Joined: Apr 4th 1998, 00:00 Total Topics: 0 Total Posts: 0. And as to the "L" being 811's not 572's hihi it's really an "M" but dentron like so many others used up the face plates already made. Does Not Include Anchor Bolts. Free Technical Repair Tip: Tube replacement notes: The 6KG6/EL509 tube still made in Europe & Russia can be used as a heavy duty replacement for a 6LQ6 & many other "sweep" tubes. QST Product Review Columns. com No cookies or any other potential form of tracking is employed here. Here is the rear of the amplifier. Heathkit SB-200. It covers 10 - 160 meters including the WARC Bands. Upgrade to total confidence in your Denon. RF Parts, an American-owned company in the USA has recently initiated new policies, regarding the export of our LIMITED, VINTAGE or RARE electronic products. the swr between the rig and amp was checked 1:5:1 have a mn2000 between icom 751 and amp but since swr was ok just left in thru mode. Higher power amplifiers such as the Ameritron AL-82, the AL-1500 and the. For some help. #382 Lamp for Dentron Amplifiers. Parts & Upgrade Kits for Dentron Amplifiers. w/ sling, Mannlicher 6. The plate-load True Resistance Indicator (TRI) is a powerful tuning aid which, together with the automatically controlled input. Eagle 500 Linear Amplifier Circuit Diagram. TEXAS STAR DX-667V 2879 transistors CW AMPLIFIER Amp BRAND NEW! FAST SHIP!! Brand: Texas Star. Power Amplifiers Dentron Clipperton-L (Clipperton L ClippertonL) service manual and specs Dentron DTR-2000L (DTR 2000 L DTR2000L) service manual and specs Dentron GLA-1000 (GLA 1000 GLA1000) service manual and specs Dentron GLA-1000B (GLA 1000 B GLA1000B) service manual and specs. This is the manuals page for Dentron. The W8JI 200 ohm resistor mod increases the drive power from about 40 watts to 45 watts on 80, 40, and 20 meters. The main category is Amateur linear amplifiers that is about HF amplifiers for ham radio use. Tubes have full output on all bands. Dentron Clipperton-L. EIMAC states that the total plate dissipation can be exceeded on SSB only, by a factor of 1. schematic service manual Drake TR 3-44 740 VHF Mod Kit. For a 50kW amplifier a parasitic resonance c. I am using two of these right now, one each for my IC-756 and IC-746. GLA-1000 Amateur-D Dentron Radio Co. If you have questions you can contact me directly at: [email protected] Swing or pep watts would be more. 160 10L: Clipperton L. Driving a Dentron MLA-1200 with 35 Watts in to a 2500 Watt Dummy Load. Upgrade forces sale of my nearly-new Naim SuperUniti. So, they sell an amplifier that functions up to 21 Mhz, then for licensed amateurs, they sell the parts to "modify" the amp for 12/10m. Sold as is but working perfectly. Denton was known for making antenna couplers as well as RF amplifiers. Normally I don't want to modify vintage gear. This amp is a powerhouse and has worked flawlessly from the day I purchased it. Modifying the Dentron Super Tuner. Perfect for most pedals which are 9V battery powered. Ameritron AL-80B Amp. I cannot imagine users of new AL-811H amplifiers not complaining about the clicking, so Ameritron must select the tubes for cut off characteristics as well as burning them in to reduce the arcing problem with new Chinese tubes. The resource is currently listed in dxzone. For sale halicrafters sr 150 transceiver With power supply approx year 1963 Works excellent can bring to wyong field day Buy and sale $550. Compilation Service Manual of Texas Star amplifiers. Prime, owned by John Moran, purchased parts, tooling, and other things necessary to help start Ameritron. If you're looking for a RF amplifiers HF, VHF or UHF look no further as we have a very large range of equipment to hand. Its in pristine condition, and Ill ship it insured FOC. Purchased new in March 2016, and bears a serial number that corresponds with that date: 4005XX. Dentron DTR-2000L Amplifer. PDF, eng - 117kb AE-105U. 093" thick! The use of flameproof resistors and 3 amp 1000 vpiv diodes is standard. User Manual. Relay K1A contact short the resistor out when the amplifier is keyed allowing the operatin g bias (D1) to hold the idling plate current via RFC1. Manufacturer of solid state RF power amplifiers. In addition, I have made a few changes that may be helpful to others going down this same road. A Dentron mod site is where I got the idea for trying the biasing mod. Dentron Radio Co. DNT 3Ch Handheld Circuit Diagram. pdf Dentron_DTR-1200L_user. This item has been shown 26 times. The 1000 used a quad of sweep tubes to produce about a 1000 watts. I was looking for a cabinet to house a homebrew GI-7B amp that I was moving from rack mount to table top. [AMPS] My dentron 160-10L from [Ron Rollinson] [Permanent Link][Original] To: Subject: [AMPS] My dentron 160-10L From: [email protected] Dentron Clipperton L 160M - 10m Amplifier Restoration & Modification. Enjoy! A note about the green "ready" lamp: (assuming the bulb works) it will light when cw OR ssb are selected after the time delay has elapsed. For a 1kW amplifier 100 to 150 MHz is typical. Power Amplifiers Dentron Clipperton-L (Clipperton L ClippertonL) service manual and specs Dentron DTR-2000L (DTR 2000 L DTR2000L) service manual and specs Dentron GLA-1000 (GLA 1000 GLA1000) service manual and specs Dentron GLA-1000B (GLA 1000 B GLA1000B) service manual and specs. It uses an 8875 tube. DENTRON; Repair and Mods Read More. This was the cause of oscillations on VHF in a lot of amplifiers. PM-CLIPL Replacement Power Supply. *The photographic and printing processes may cause the. EIMAC states that the total plate dissipation can be exceeded on SSB only, by a factor of 1. Jul 19th 2015, 18:12: W1VT Joined: Apr 4th 1998, 00:00 Total Topics: 0 Total Posts: 0. 95 SOLD HF Linear Amp The Dentron GLA-1000B amplifier is for the 80 to 15 meter amateur HF bands. Provider of a trunking two-way radio repeater service for Los Angeles / Orange County radio communication. 50 (10 used & new offers). This review of Ameritron's ALS-1306 was prompted by my selling my older ALS-82 in order to get a no tune amp. TUNES 10 Meters thru 160 up to 300 Watts( internal meter not reliable )$75. Ok, so it was the exciter driving the GLA-1000, driving the monster amp. ADD AN OPTIONAL INTERFACE CABLE FOR ADDITIONAL SAVINGS ! Building on the success of the AT-1000Pro, LDG Electronics has refined and expanded its flagship 1KW tuner. I will be listing lots of items from this collection. Becauseof the present unfor­ tunate FCC regulations, it has to be sold as a 80-15 meter amplifier. 3-500z (2) amp supply. Asking $150. Welcome to Wireless-Girl. workmanelectronics. Ham Radio Amplifiers, Ham, Amateur Radio, Radio Communication, Consumer Electronics. More Dentron Radio Co. 00 Add to cart. This is a Dentron DTR 2000L in which I repaired. 093" thick! The use of flameproof resistors and 3 amp 1000 vpiv diodes is standard. Dentron Clipperton L Conversion to GI-7B Tubes and Other Modifications Pat Griffin AA4PG Walking out of Dayton, 2014 my eye caught a beat up Clipperton cabinet under a vendor table. This little guy has tuned input so the input VSWR is 1. Prime built the initial amplifiers and sent them to Twinsburg for final testing and approval, and shipping. The problem I'm ha. Info Model. 73 11_90 mouse fet 40 amp. Download DENTRON 160-10L AMPLIFIER. CASH OR TRADE will trade for a 2 meter mobile a dual band or Astati. 2 MB: AA-100: Stereo Amplifier Partial manual : 8. 00 Add to cart. mla-2500 totally clean. Dentron Linear Amp Circuit Diagram. This amp puts out 1500+ watts P. Parts & Upgrade Kits for Dentron Amplifiers. Purchased new in March 2016, and bears a serial number that corresponds with that date: 4005XX. schematic service manual General Radio 1231-B Amplifier and Null Detector. 00 shipping. We will be reasonable about the charges,. R-1 is a current limiting resistor which controls the keying in-rush current level. 32: Save Your Dentron GLA-1000 with the Svetlana EL509 By George Badger, Bob Alper, and Eric Barbour. The early Dentron Super Tuner is rated at 1 KW; I have run it at 100 Watts AM (equivalent to 400 Watts or more PEP) with no problems. VERY GOOD COND W/PS 30 MATCHING PWR SUPPLY. I don't know much about Dentron Amplifiers but this one was given to me on good faith that it is in working condition. During the 70s I owned a ham radio store in Oklahoma, Derrick Electronics, and I was a dealer for Dentron. PDF, rus - 457kb ACOM - 2000A. 300/24 AMPLIFIER 100/150W 24V (KL300/24), Compact high power all mode linear amplifier with automatic TX/Rx Switching and On/Off switch, especially developed for commercial vehicles operating on 24V DC. Although the tubes are expensive, if properly tuned,. If you are in the market for a this piece of Kenwood history, I hope you are able to find an Amp as well cared for as I was able to. Path: Home > Dentron Clipperton-L > Clipperton-L Notes > Clipperton-L Hum Mod. Any input?. R-1 is a current limiting resistor which controls the keying in-rush current level. More Dentron Radio Co. Repair and Mods. Type: All-mode linear amplifier: Frequency range: 144-148 MHz: Maximum output power: 500 W (PEP input) Drive power: 10-25 W for full output: Power supply: Mains: 117 or 234 VAC (selectable) Current drain/power consumption: Impedance/connectors:. To keep the front panel clean and make it easier to use an overall preamp gain was used, with individual clean volume and overdrive gain/tone/volume. This is part of a ham radio collection I purchased. See new BAMA archive at: https://bruce. 292432120318. Paypal accepted, order online today!. Dentron Clipperton-L. The tuner is in. 2 amp Selector indicators - 6. Normally I don't want to modify vintage gear. double barrel hammerless shotgun, Parker Bros. [08/04] U835 Dentron CM-U $39. Originally offered in the 1970s, the Dentron GLA-1000 was a clever little amplifier. 1 MB: AA-161: 14W Audio Amplifier Schematic only : 226 KB: AA-181: Mono Amplifier Complete manual : 1. 6lq6 (4) amp supply. Dentron GLA-1000 Manuals Manuals and User Guides for Dentron GLA-1000. I replaced two of them. The rear panel has a fan. Dentron Amplifier & Tuner Main Tuning Knob W/2" Skirt.
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