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Peter & Jim, I started using a thick fish paper and paper tubing like that used for RF coils. You can buy it in larger diameters. I tried some with some 4CX250B's just to see how it worked and it was

All, I have the following four pieces of test equipment for sale; (1) Model 1020-B Megohm Meter by Freed Transformer 1 meg to 100k meg (2) Model 404M3 "Hypot" by Associated Research 4 kV @

Hi Jim, I use heatresistant glass cylinders I get made locally and also use round teflon covers as you, thats works very well. All my blowers are made by EBM. I do not like to boost a tubes rating, I

item. by doing Seems to me like the inrush shock to the PS lasts well more than 1/180th of a second (2 crossings every full 60 Hz cycle). If their step-start uses SS zero-crossing devices, that means

Tom, If the board isn't damaged (traces burnt off), I'd just repair it. I'd think that would be the cheaper way to go. First thing I'd do is to make sure the lightning didn't short out the power

Since Eimac never made a chimney for either a 3CX-3000A7 or a 3CX-6000A7 [or the socket] several after market chimneys have appeared. I purchased the one for the 6000A7. It was

Bill, I don't have one now, and haven't since the early 80's when I used it for a whole 9 monts if that (Novice). However, I think everyone that was on the Amps mailer knows what happened in my case

Jim, What you describe may help a little. The problem is the internal connection from the ring to the grid itself, and it's size. If it's only a piece of wire, you may not gain anything as the wire

ORIGINAL MESSAGE: wrote: ------------ REPLY FOLLOWS ------------ I'm automatically suspicious of a poster without a callsign unless they come right out and say why they don't. Most hams are proud

Jim, See below. wrote: What happened, and you may well know this, was that when Tom first came back on the mailer, Rich and myself collared him on several topics he was really wrong on. When we done

ORIGINAL MESSAGE: <df3kv@...> wrote: ------------ REPLY FOLLOWS ------------ Slightly OT, but if you use Forte's Agent program you can switch between HTML display and plain text by

Just in case some of you don't already know http://groups.yahoo.com/group/rfamplifiers/

The AMPS reflector might be to your liking, Don. cheerz

As I see it, guru worship with a large pack of yippy lap-dogs takes the cake. To me, passing along what we OTs have learned is worthwhile -- despite the hairpulls with censors and "experts".. Well

Ok - you all have worn me out. I'll unsubscribe. Maybe there is a group that really is interested in amplifiers. 73 -- Don N4HH --- R L Measures <r@...> wrote:

yes, I would answer if the message was not html, where I can?t quote parts but have to resend the whole bunch. I will not allow html on my mailer. I don?t want to go to the yahoogroup website

Censoring anyone who questioned Tom's dicta was part of AMPS for a bit over 9-years, so some discussion about what we endured is in order, Doug. cheerz. R L MEASURES, AG6K.

I have obtained a Drake L7 amp from an estate. It had lightning damage to the power supply. I need to replace a couple capacitors and diodes. Has anyone rebuilt this supply? I read somewhere on the

chortle

the> tube, socket, enclosure, and some parts. Maybe we can build it right> here on the reflector! I'm looking forward to the education! ### After 15 x hb linears..imo.. why even mess with a