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Tubelab Discussion and support of Tubelab products, prototypes and experiments

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Old 11th July 2010, 12:52 AM   #1
royd55 is offline royd55  United States
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Join Date: Dec 2009
Default possible problem with sse

I have had my SSE for about 6 months and it has performed flawlessly. Today i noticed that when i power up, there is a loudspeaker pop and low hum as well as a momentary violet glow on the KT90's. The amp was previously dead quiet.

It is a pretty standard build with 5ar4 tube rectifier, Triode mode, KT-88's and edcor transformers.

Any advice will be appreciated, i worried about my beloved SSE.

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Old 19th July 2010, 03:16 PM   #2
SGregory is offline SGregory  United States
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Join Date: Apr 2003
Location: Southern Tier NY
I would reflow your solder joints on the circuit board, while doing that look closely at the caps and resistors to insure non are failing.
I would also check or at least temporarily swap out your rectifier tube.
Living Life Doing the Waltz in 4/4 meter.
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