An arc in a vacuum does not make a loud pop like one in the atmosphere.
On Dec 6, 2004, at 12:06 PM, Vic Rosenthal wrote:
Mike Clarson wrote:
Don't know if the TL-922A has similar problems, but my SB-220 has
exhibited
evidence of parasitic oscillations, and, when that happens, one gets
the
".22 Caliber" pop. It is unpredictable, and, it can take out a tube.
It
usually happens while tuning, but sometimes it will just happen at
random. I
have sidelined the amp to fix it over the winter. The last time, it
took out
the meter resistor!
How can you tell that the pop was caused by a parasitic oscillation
and not from a gassy tube?
--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
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Richard L. Measures, AG6K, 805.386.3734. www.somis.org
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