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PostPosted: Mon Jan 12, 2009 12:00 am 
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Joined: Sat Mar 17, 2007 7:48 pm
Posts: 37
Location: SW Ontario
Seriosly...no sound at all.

The fuse is good, there is power. The power tubes light up at the heaters.

I think that either the rectifier tube has failed, or the power transformer has crap the bed.

What is the expected voltage at pins 4 and 6, with all tubes pulled?

update:

I ordered tubes from The Tube Store on Monday afternoon, and they were on my doorstep Tuesday afternoon. New rectifier tube = working amp. The voltage across pin 4 and 6 on the rect tube is 800+ volts, and the tube is freaking hot. It always was, and after 15 months of 10+ hours per week of playing time, and three trips out of the house per week, I'm not too surprised the Sovtek tube failed. They do have a bit of a reputation as a short lifespan tube.

Sooooo I'll play a couple hours Wednesday and Thursday, and if all is well it'll go to the jobs Thursday night and Friday night.

Note to self: Always carry spare set of tubes.

_________________
Peace,

Paul


Last edited by pmonne on Tue Jan 13, 2009 11:07 pm, edited 2 times in total.

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PostPosted: Mon Jan 12, 2009 12:15 pm 
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Joined: Wed Jan 30, 2008 3:34 pm
Posts: 141
Location: Manitoulin Island, Ontario
If the rectifier tube failed it won't heat up... so if the rectifier doesn't light up replace it.


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