Figure 1: The “caulk tube fix” can be seen behind the transformer.
My Trusty Ten Tec 260 power supply is a nice hefty one: – it’s capable of delivering 28 amps, and that’s enough to power any of my radios with ease. Unfortunately, the supply developed the “old power supply” malady of producing slightly less-well-filtered DC current. The first thought for me was that it was the electrolytic capacitors. I checked the caps with my brand new ESR meter and a capacitor checker. Oddly, the caps all seemed to check out OK.
Still, it seemed to me that the main filter capacitor was the culprit, because …
WB8LZR 