Paul Christensen wrote:
> I narrowed the root cause to a broken 8877 filament....although it was
> difficult to find beacuse it is intermittent. At the onset of filament
> current, it opens and after powering down the amp, and checking with a DVM,
> the filamant resistance reads fine. I finally got it to read an open
> resistance right at the pins with the transformer Molex connectors
I don't know about 8877's, but I've had wires in the pins of glass tubes come
unsoldered due to heat caused by loose socket contacts. Is this possible here?