RE: Tube preamp sizzle then thump. Shut down the amp..

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In Reply to: Tube preamp sizzle then thump. Shut down the amp.. posted by Smelly_Socks on October 12, 2016 at 10:10:43:

While it is possible that there was a tube failure- it is more likely that something else failed and sent DC down the line to the AMP causing the amp to shut-down.
The something else that failed is most likely a cap-
but could also be a regulator or diode -
If you have a DMM - you could try to see if there is DC on the Main Output from the Pre-amp-
Otherwise describe the problem to VAC and see what they say...
Good luck-
Happy Listening

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Follow Ups Full Thread

Topic - Tube preamp sizzle then thump. Shut down the amp.. - Smelly_Socks 10:10:43 10/12/16 (2)

RE: Tube preamp sizzle then thump. Shut down the amp.. - 6bq5 10:29:23 10/12/16 (1)

Replaced tubes. everything works good. Finished as far as I am concerned. - Smelly_Socks 13:17:01 10/12/16 (0)

Follow Ups

RE: Tube preamp sizzle then thump. Shut down the amp.. - 6bq5 10:29:23 10/12/16 (1)

Replaced tubes. everything works good. Finished as far as I am concerned. - Smelly_Socks 13:17:01 10/12/16 (0)

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