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I have a Palomar 300 Skipper and when I key it and tune it the power will rise to about 425. When I let the amp idle and key up again after a minute or two the power goes to 250 but will eventually climb to 425 after a minute or two. What would cause this to happen. Thanks, Have a safe and...

How do you do that?

It is hard to believe that this question was on here for almost 38 years and never was answered. I wonder if the guy is still alive waiting for an answer. I am no tech, but here is what I do. I have a jumper with a large resistor 1 meg that I clip to ground and then to the top cap then wait...

I have the amp where it will work some what. When I key up I now have a relay chattering. I can manually engage the relay and the amp works as it should I think. If I start out with 2.5 dk it chatters up to 5.5 dk. After 5.5 dk it doesn't do any thing.

Thats quite alright John. I guess it was a stupid question. But now I have to wonder is it the 11 meter band that doesn't exist of the rf amp. The reason I asked the question was because I have a tube type linear, box, kicker, rf amp that doesn't work and wanted to learn how to fix the...

Are there any books that are devoted to the building and repair of rf amps? Let me restate my question. Are there any books that are devoted to the building and repair of rf amps for the 11 meter band?

Hi Jeff and thank you for the response. Today I put 8 8950's into the box. It would not key up. Switching between hi/low and standby and operate provided me with several flash overs and pops. Now three of the six finals are not lighting up at all. Still no key up. The two drivers and three...

I just bought a Maco 750 without tubes. The schematic provided with the box shows 9 tubes but the box only has eight sockets. I was told by the seller that the box used 8 8950's but was last run using 2 8950's driving 6 2057's. The schematic shows 1 preamp 8950, driving 2 6BL6's ,driving...