[Amps] SB-220 troubleshooting
Pete Smith N4ZR
n4zr at contesting.com
Sat Dec 13 06:54:54 EST 2014
My venerable SB-220 is displaying some odd symptoms. On 10M, for
example, the Tune setting for maximum output has changed substantially,
and the output power is down about 150 watts. There are smaller
changes, progressively less serious, as I step down through the bands.
Is it likely that the current pair of 3-500s is failing, or should I be
looking somewhere else in the amp?
--
73, Pete N4ZR
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