I want to replace the original electrolytic capacitors in my PT-3000A hf amplifier. The original caps are Mallory 210 mfd at 450 wvdc with part # CGS211T450BF1. They are screw on terminals and the sp
I'll be recapping the filter caps in my hf amp and replacing the original filter caps which are 210 mfd @ 450 wvdc with some that are 530 mfd @ also 450 wvdc(same physical dimensions and also same pr
I have two new Jan 7289 tubes for sale. One is still in the sealed packaging. Asking $20.00 for the pair plus postage. Thanks from Fern _______________________________________________ Amps mailing li
I've asked the seller to send me some digital photos of the interior of the amp but did NOT get any response. Fern I just got a reply from the guy since I was wondering about the amp being just a few
I have a pair of brand new Eimac 8873 tubes to sell or prefer swap for a pair of new 3CX800A7 tubes (prefer Eimacs). Anyone interested in this before I put them on the forbidden site? Thanks from Fer
I have a pair of brand new Eimac 8873 tubes to sell or prefer swap for a pair of new 3CX800A7 tubes (prefer Eimacs). Anyone interested in this before I put them on the forbidden site? Thanks from Fer
Hi Eddie: By your description the problem will be in the rf deck area and not in the power supply section. You will likely find a problem with either the rf choke or in the plate tune circuitry. Sorr
I have to agree with that statement in leaving the 3K Ultra as is. I have one of those 3K Ultra amps and it puts out plenty of power as is. Also, the power supply is different in the 8K version as pe
I have a very nice Henry 3K Classic Mark II Export version hf amplifer which is surplus to my needs. It has very low hours on the 3CX1200A7 tube and operates all bands from 80 to 10 meters. I would e
I have an AEA QSK-1 dual vacuum relay switching box that I acquired some time ago at a hamfest. It appears to be new unused in factory box and came with a schematic and the 24 vdc output ps but no in
Kevin: The 3CX1200A7 is probably the most forgiving tube in your circumstances. Ameritron has the AL-1200 with that tube in it. It's also an "instant on" amp with no warm up time required. 73 from Fe
Was there an Export Version of the Henry 3K Premiere 10-160M floor console linear amplifier(with single 3CX1200A7) produced? If so, how can one identify it? What was the track record of that particul
I the past few days, I noticed that I was getting some mismatch on twenty meters with my FT-1000D running thru the Henry 3K Premiere but the amp was not on but by-passed. At first, I thought that I w
Jeff: It sound like transformer windings are shorted out. This was a fairly common problem with this happening to that transformer. Fern Hi all, The SB-220 I've been rebuilding has developed a proble
I would like to be able to communicate with someone who has a Henry 3K Premiere amp (160-10 meter version) which uses the 3CX1200D7 tube. I have a very early unit which obviously came missing the saf
Hi Mark: I had purchased a used quadra a few years ago and found that when using the built in automatic antenna tuner that the quadra was loosing aobut 300 watts thru the tuner. I promptly return the
If not blowing the amplifier is more important to you rather than saving your life in case of a mistake, then I suppose that it's your choice. Fern _______________________________________________ Amp
Those nice viking 500's were in excellent cosmetic condition and were worth ever cent that they sold for. Fern _______________________________________________ Amps mailing list Amps@contesting.com ht
Hi Paul: I didn't think that linear amps were allowed on that band. Fern VE7GZ _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailma
Yes Paul but still the gentleman's agreement was to NOT use amps or high power on that band! Fern _______________________________________________ Amps mailing list Amps@contesting.com http://lists.co