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Old February 18th 10, 01:34 PM posted to rec.radio.shortwave
dave dave is offline
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First recorded activity by RadioBanter: Jan 2009
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Default Recommendations - 12 / 13.8v Power Supply, ~ 5 amp?

bpnjensen wrote:


Sounds like a Variac...a big rheostat or something. With some
testing, you could probably bring old tube rigs back to life slowly
(warm up and reform the capacitors...)


Not a rheostat, an autotransformer with a wiper.