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Re: Henry 8K Ultra...
Yeah Jim Because they are always responding to Customer Complaints of which there is no shortage. I owned a 3K-A which had the 3-500Zs Grids sitting above RF Ground. This, among other things, lead me
By Bob Marston · #41350 ·
Re: Henry 8K Ultra...
They? made several versions of the 8k....like? a bunch.? ?Scot has? had several 8k's.? ?the last one was a basket case....and was stripped for parts. I have at least 3 x different schematics.
By Jim VE7RF · #41349 ·
Henry 8K Ultra...
A friend has an 8K Ultra he's no longer using and has put my name on it. There's no doubt of its cool factor, but how is the overall design and execution? My local amp guy has his reservations about
By Dino Darling · #41348 ·
12 KW CCS ON 160-15M....USING THE 3CX-6000A7..... PART 27
Here the air cooled? 50 ohm, 1100 watt glitch resistor assy is installed.? ?Consists of 4 x 50 ohm, type SP globars.....wired in series - parallel.? These are the glass bodied types, designed for
By Jim VE7RF · #41347 ·
Meter for Henry 2 K HF Amp
I know this is a long shot, but it is worth trying. I have a Henry 2 K HF amplifier that I am trying to repair. It is a plain Henry 2 K --- no suffix after the K. It has the "tear drop" type meters on
By Ken, W8EK · #41346 ·
Re: Grid Overcurrent Protection Module?
https://archive.org/details/ameritron_GOP-100/page/n5/mode/1up? Sent from the all new AOL app for iOS
By Louis Parascondola · #41345 ·
Re: Grid Overcurrent Protection Module?
Didn't know there was one.... Just asked to join. Steve, K0XP -- See my QRZ.com page at *https://www.qrz.com/db/K0XP*
By Steve · #41344 ·
Re: Grid Overcurrent Protection Module?
Maybe ask on the Ameritron Amp FB page. 73? Andy? K9ATX -- "Where the Old Soo crossed the New Soo" Duplainville, Wisconsin Broadcastify Train Scanner: https://www.broadcastify.com/webPlayer/8487
By DupyRail · #41343 ·
Grid Overcurrent Protection Module?
Does anyone have a manual or schematic for the MFJ GOP-1 Grid Overcurrent Protection module?? A web search only comes up with high tension power line grid protection, etc., and MFJ's own manual search
By Steve · #41342 ·
Re: 6 Meter Amp WTB
Here's a King conversion sb-220 converted to 6 meter already done. /g/ham-amplifiers/topic/king_conversions_6m_amp/113232480
By Chuck Miller · #41341 ·
Re: Wanted: YC-156
Contact Jim Klein,? K7RDX.? ? ?He builds loads of? YC-156 amps for folks....and has a source for tubes.? Check out his qrz page. Watch out, there are a lot of dud YC-156 /? YC-179 tubes out
By Jim VE7RF · #41340 ·
Re: LK500-ZC Fan Thermal Switch
OK I found the answer to question 2. I rubbed the existing switch clean and was able to decipher some numbers including F140, so I'll go with that. 140¡ãF equates to 60¡ãC, which sounds about right to
By Alek Petkovic · #41339 ·
LK500-ZC Fan Thermal Switch
I have just acquired an old Amp Supply LK500ZC amplifier. It has a few issues which I'm working my way through. One issue is that the cooling fan is on high speed all the time. I have just confirmed
By Alek Petkovic · #41338 ·
Re: 6 Meter Amp WTB
I posted a related question (on Clipperton-V) to amps@... reflector in early 2024. URL below should take you to archive of the (fairly brief) conversation on the unit.
By David Feldman · #41337 ·
Wanted: YC-156
Hi, Looking for a spare YC-156 with good emission for my HF amp. Please respond with price, condition, and picture. Send email to beefus100@... Thanks, Jack, WB8BFS
By Jack Roberts · #41336 ·
Re: King Conversions 6m Amp
Now there is a good 6m amp. Lou's sb-220 conversions make more power on 6m than they did on HF in their original form. 73, Alek VK6APK.
By Alek Petkovic · #41335 ·
King Conversions 6m Amp
Yes I am one of those guys who has bought an amp and never used it. Have a King Conversions 6m Amp built on a SB-220 that has not been run since Lou W1QJ built it for me. By the time the amp was done
By Steve · #41334 ·
Re: 6 Meter Amp WTB
Steve I¡¯m not sure where you¡¯re at. I¡¯ve gone solid state on 6 m. I have a very nice SB 220 it¡¯s converted to six with a variable input so it covers a whole band. But I¡¯m in Idaho. n7uvh
Re: GS35 2m Amp problems
Dunno what causes it but this is the second instance I have seen. First one was VK6OX's dual GI7B 6m amp built by VK3ZL (SK) and now this GS35B 2m amp. In Andy's 6m amp, all protection diodes were in
By Alek Petkovic · #41332 ·
Re: GS35 2m Amp problems
Picture of W6Po 2 meter amplifier input circuit.
By mike repinski · #41331 ·