Recent content by Tom Kaufman

Here is the manua on the 483.

The manual says 220 watts PEP, ssb, or dsb, 80 watts AM, with 3.5 watts in. So I wouldn't go higher than 4 watts on input.

I have a 483 model, 12 volt, and it gets about 60 to 80 watts, with 4 watts driving it. They are good amps. Back in the 70's I had a 482, and it was an excellent amp. I think they were made in the early 1970's, but you could Google it and find out.

No, I don't have any that size. but the further i investigate, the more I'm not so ure that is causing the problem. The beeswax has somehow melted away from the bottom where the wires are attached to the board, but best I can tell, they are all still intact. And using the tuner cleaner sprayed...

Done some free flowing, no relief yet.

I found the culprit, L-35, it is a toroid coil, but I'm having a hard time finding a new one to replace it.

I think I found the culprit. A toroid coil. L35 is wobbley. Now I just gotta find one.

I have a TRC-458 that has a rf output problem of some sort. It only puts out about a watt or up to 1.5 watts, and the strangest thing happens when you spray CRC tuner cleaner around coil L-39, the watts jump back up to 4 watts, and as the tuner cleaner dissipates, the watts slowly goes back down...