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I have an Eagle 500 on the bench that someone TRIED to repair; it ended up being pulled from one shop and given to me. The main Antenna switch relay has problems, it has burned the printed circuit board from under it. Can someone with a working Eagle provide me with a picture...

Where can a fellow find a chassis to house a bunch of components to assemble a multi-band single hole amplifier. So, I have every thing that I need, just need something / someway of housing it so that my conscientious critics are stifled. I do not want to go the...

I believe that is the model with the Printed Circuit Board mounted to the rear "firewall", look for brunt traces on the PCB, measure voltage on both sides of the relay, and if possible, take a long broomstick and activate the relay and put RF in it; report back on your findings. .

Make your own! Go shopping for the correct "Mix" and size, find some copper tubing and make your custom sized transformers by placing the ferrite core on the copper tubes and, soldering one end of the tubes together; this is where you are going to connect your "Vcc" voltage. On the other...

You wanna do what? What you want to do is change this: http://www.rmitaly.com/download/manuals/KLV1000p-manual_rel_400.pdf. To this: http://www.rmitaly.com/download/manuals/KLV1000p-manual_rel_200.pdf. You are wanting to bypass / remove the driver stage; I'm getting lazy in my old age...

Be sure to take your own wattmeter and Heath Cantenna to test it before you buy! .

Shane, When I built my first GS35B amp, the tubes only cost $70 bucks a piece plus $30 dollars shipping. Tony was the only person with a working knowledge of the Russian tubes and their operating characteristics. He was the "rlm" of GS35B's. ;) I once tore the whole bottom out of a...

Radio shack model number 273-1511 12 volt with Center-tap (6v - 0 - 6v) rated at 3.0 amps (ICAS). I doubled up on the transformers using two per tube because, trying to run a GS35b on a single transformer raised the temp on the transformer and the filament voltage sagged to 12.1 volts...

I know that they are not pretty but, they work. No excuses, that's what you get when you build on your Kitchen table using hand tools, hole saws, hand nibbler tools and, tapered reamers. I personally touched/manipulated each and every nut, washer, screw, wire, resistor, capacitor, relay...

Tony King W4ZT (SK) Jeff, Tony and I spoke regularly, he advised against the second tube but, gave me this circuit, this is the basis of my amps. I am using 2 of the W4ZT control board in the amps. Mel

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If that was done with a magic marker, then I must be Michaelangelo! .

Yup, you probably do and don't know what to do about it! . Dennis, is that you? !!!

:) ROFLM Motor-Fixin' AO @ "Ms. Suburban :) "Don't come out on the Super Bowl with your nose all snotty, if you don't know what you're talking about, you better ask somebody"! My associates don't buy transistor amplifiers. I don't built transistor amplifers however, I set the...

. That thing uses a "Voltage Quadrupler" on the line voltage to get the B+ therefore, make sure you use the highest rated "Power On" switch since all the current runs through there. Look for the "Point of diminishing returns", I would get that thing out the door with as little investment...

Any fire in the wire yet? Bump .

....I went in to my Doctors' office and, I said, "Doctor when I raise my arm like this, it hurts", he says to me, "Well then, don't do that"........ I never heard of an AMCOMM amplifier, is it tube or transistor? Does this 'Pre-amp' switch also affect you receive (boost it or makes it drop...

I did that as an emergency-out-the-door job, it worked, the "Specs" did not make a difference. . ETA: You can find a lot more 6L6GC lying around than you can find 8417's and, at a better price.