- 600 watts on 2m.
- Building my own mobile hf Amplifier....Filter questions
- Ameritron 811h fan mod
- Mismatch between rig and amp
- heathkit amp to yaesu radio
- AL811 and 572Bs
- tv interference with al-80a
- Ameritron al 811H to ts 440
- Kenwood TS 440-SAT and Ameritron AL 811H
- Info On FootWarmer Tube Amps
- Equipment help needed... Help
- realy keying line for a TR7
- Kenwood TL922 Amplifier simple question
- Dentron amp
- Dentron 2500B grid current?
- Question on the use of amps.
- TL-922 Not Working - EA4KT (You Tube)
- Another AL-811 Tuning Question(s)
- Transworld TW1000 amplifier - reset?
- AL 811H intermittant.
- 3-1000 and 4-1000 tubes
- ELMER NEEDED....HEATHKIT SB-200
- sb220 Help
- swinger 205
- Creeping Grid Current
- Hallicrafters HT-37
- Solid State Amplifier design...Need some help.
- A more elagant SB-220 keying interface?
- Shipping a SB-200
- Dentron amplifier
- Connection tips for wiring Yaesu FT920 and FL2000B
- Auto switching between TX and Rx antenna
- Yaesu FL-2100B
- Dentron MLA 2500B static plate current?
- Yaesu FL2000B troubleshooting
- Amplifier TR switch
- Kenwood TL-922A NO Grid Current
- plate transformer selection
- multi band amplifier with no input circuit
- heed some help
- SM220 connection to TS440S
- Alpha 76A
- 100-300 Watt Amp?
- Different SB200 Puzzle
- Collins 30L-1 , 572 and Young Kim's ?
- Amp Supply Company LK 500-ZB
- SB 200 Questions
- Dentron Clipperton "L" Linear Amplifier - Replacement bulb
- Drake L4-B Question....
- Communications Associates Inc CL-3A Amplifier
- sb200 problem
- TL 922 / IC 746 Pro
- tv- amplifier problem
- what is the highest efficiency a tube amplifier can run at
- Alpha 99 is back up...... BUT ?
- Mirage A-1015 150 Watt 6 meter Amp Spectral Purity
- Some tube amp questions.
- Amp Supply LK500-ZB
- Drakel l4b no output with burnt grid choke. HELP HELP.
- Interfering with my own house
- Ameritron AL-80A
- FT-950...Interface with older Linear question
- Frontier Super 3500 Linear
- sb-220.something added not sure why
- SB220
- Ameritron AL-80B no plate current and no output.
- Tuning a Ameritron AL811H with the FT897D
- Tokyo Hy-power model hl-45B and fcc regulations on HF amps
- Amplifier Question
- FT-1000MP output power control problems
- Ameritron AL811Hxce Problems ???
- TENTEC 422 RF Amplifier
- Help with interference
- SB-200 or AL-80B in a mobile??
- Ameritron AL-80A tuned input
- Henry 2K 4 Amplifier - selling price?
- Need the multimeter for a SB 220
- Eimac 8877/3CX1500A7 tube info
- Alpha 76A behaving strangely.
- Nice job, guys
- Palomar Skipper 300 - worth the effort?
- Never used a Amplifier
- Where to start - QRO amplifier for 432 EME
- Alpha 76PA no HV lecture on the meter panel
- Which new or used amplifier design is representative of these design recommendations
- "Thanks" to the Powers that Be... ;-)
- Henry S-30 amp question
- TRW PT9803
- plug and 220volts vl-1000 yaesu
- thoughts and help , ft-2100b and kenwood ts-430 thru a 4btv(hustler)
- Icom PW1--Awesome!!!
- SB-220 Problems
- First time amp buyer....
- A LOW COST Linear to Radio INTERFACE
- AL 811 & 572B's
- Wiring between Kenwood TS-480 and Yaesu FL-2100F
- 811 H tunning time
- AL-80B with Yaseu FT-990 won't transmit after diode replacement
- GS-35b Cooling?
- Doorknob Caps?
- Is Palstar out of the linear amplifier business?
- Handbook dual 3-500Z design
- SB 1000 problems...
- Ameritron AL-80B Setup
- AL-80 Hi Voltage problem.
- Bias for GS31B tube
- Filament choke
- Hooking up an AL-811 to a FT-450
- Commander HF-2500 on 12 and 17m
- Swan MK 1 HF 2kw amp; Seeking information
- bilifar?
- SWAN 1200-X
- Ameritron AL-811
- Socket for GS-31B / GS-35b that doesn't require a lot of specialized tools
- ARB 704 issue with 811
- SB 200
- Dentron MLA-2500 band switch question
- High Voltage meter circuit
- yaesu FL-2100z
- Class D Amplifiers?
- L4b problem
- Collins 30L-1 band switch sync question
- AL-811 Plate Current Max
- LK-550 Band switch overheating
- 3CX3000 Amp
- Answer to 3-500 tube matching discussion
- Sb220 useing 1 tube
- 6 meter plate choke
- Source of Metal Clad Mica Caps
- Ameritron 811
- Pi Network, Plate tuning cap, etc
- HV delay for GS31B??
- Proper method for calculating the resonant load resistor
- SB-200 and IC-746 Pro - Tuning up - confused.
- Question about power-handling ability of 10m Low-Pass filter.
- SB-200 PROBLEM
- Heat generated from amp
- HF Amplifier usage
- External QSK interface
- Drake L-4B and the dummy load
- Grounded grid amplifier, -- how do you measure the grid current?
- 12 meters "N" my AL811
- bias meter shunt?
- L4b grid caps
- Nitro 500 amplifier
- SB-221 Hi SWR Issue
- Vacuum Capacitor close to cabinet?
- Please help me with info for this HF tube amplifier?
- 811H High Input SWR on 20 Meters
- 3-500Z Won't Light
- Silver spot on 811A tube plate
- IC-756 PRO 2 & Ameritron ALS-600 amp
- 811H Plate Current Problem
- SB1000 and 756Pro3 Relay Sticking
- help - kenwood tl 911 from 220 to 110
- Why did ebay remove my amplifier listing?
- 811A Tubes
- Filament Ohms???
- Relay Sizing
- Ameritron AL-80B AMP Blows Fuses
- CM-50 Amplifiers ???
- variable inductors
- High Gid Current
- MML 432/100 MICROWAVE MODULES 430MHZ AMPLIFIER OUTPUT PROBLEM ?
- GS31B availability NOT
- 6 meter amp question
- Question about amp and watt/swr meter-tuner
- Mirage B-215-G Amplifier
- Is FCC approval required for VHF-UHF-Microwave amps?
- Old tube exciters and amplifiers
- Damage caused by spikes
- 572 Tube in the Al811H Amp
- metron ma1000b conections question!
- Drake L7 Grid Choke
- AMP Elmer help needed for a Maverick 250
- Swan Mark 2 Drive Questions
- CCI EB63 Bias Measurement Question
- RD70HHF1 amplifier schematic
- RF Roller inductor maintenance
- Finally finished my 813
- RFC 4-310
- fl-2100B arcing on loading cap
- FT-950 and al-811h amplifier
- The Case for Class C
- Grounded Grid Class C
- HEC hv doorknob caps for plate tuning ?
- Question on FL-2100F Amp
- Question about modifying the Ameritron AL-811H to work on 10 and 12 meter band
- Commander 2500 Magnum
- Is it a time to change power capacitors in TL-922 ?
- Tuned input circuit for 811A Amplifier?
- TX/RX Relay for 144MHz amplifier
- Need to know how to tune a AL-811 Amplifier
- New Freescale VHV6E-series devices, 50 VDC: 1.8 to 600 MHz
- Heathkit VHF amp boards I picked up...
- Amp W/3CX1500 or conversion canidate
- AL-82 input adjustment
- Connecting an icom ic 706 mkiig to an ameritron AL-80B amplifier
- Gonna Build a 2 Meter Tube Amp
- Convert a 3-500Z linear amp?
- Icom IC703 & old Mirage A1015
- 6 meter shorted stub - W8JI?
- kenwood AT-250 antenna tuner and linear?
- Tell Me About Todays 572 Tubes ?
- TLP PA3-1FE AMPLIFIER PASS THRU TRANSMIT IF NOT POWERED ON?
- Dentron Clipperton L
- hl-250 udx tokyo
- Future Availability of 3-500Z(G) and 3CX400A7 Tubes?
- 2 Meter (VHF) Amateur Amplifier Reference Design (Freescale)
- W4ZT Bias wiring
- Kenwood TL-922A ????
- Collins 30S-1 Mods?
- TL-922A Repair
- Range of swr or Impedance that can be matched by a Pi-l tank circuit ???
- Ameriton AL-811 Rear Panel tuned inputs
- Extremely rugged 1,200-W RF MOSFET survives live short circuits and open outputs
- Two types of Grounded-Grid configurations
- SB-220 king conversion to 6m
- proper hook-up of amplifier's
- Power Supply / transformer for 2no eimac 7203 /4cx250 uk
- Best amplifier for the Kenwood 450
- compatibility
- Does the KPA 500 from elecraft is 500 W PEP or RMS ???
- TL-922 Filament Voltage
- Swan Mark II w/3-400z schematic
- LA-30 adjustments
- Henry 2KD-2 Filament Choke
- Can I benefit from an amplifier?
- Drake L-4B and power supply safety resistor popping...
- Kenwood TS 430S and Ameritron 811H
- Another Heathkit Warrior with a new lease on life
- Legible AL-80A schematic
- vhf rf amp. for 144 to 148 mhz
- Small linear for a hand held radio
- Henry 2kd Classic excessive idle current when not transmitting
- Legitimate reason for long grid-ground connection?
- 572B possible problem
- Icom IC-2KL 10/12 Meter Mod???
- Tuning for "a dip in plate current"
- 4-tube, push-pull amp....
- Centron Clipperton L Input
- Bad GS31b tube???
- GS31b tube Ip idle?
- No transmit when FT 950 connected to Quadra via CT 118
- Does anyone have any experience with this amp?
- Mirage B215 (not B215-G) Schematic needed
- TL-922 on WARC bands
- Icom Ic 2kl Amplifier
- Henry 4K Manual
- Mirage B2516R amp