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Author Topic: What are burn in procedures?  (Read 4029 times)
brickcues
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« on: May 04, 2009, 07:29:54 PM »
Just received 100 watt S & M OTS today.  I had seen break-in suggestions on forum but cannot find now.  Need search on forum.  What is the break-in procedure?
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pine
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« Reply #1 on: May 04, 2009, 07:50:00 PM »
I just played mine a couple of hours every day, I was skeptical of the whole burn in concept but it just kept sounding better and better.
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Lindswood
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« Reply #2 on: May 04, 2009, 08:21:12 PM »
I dont really know the science behind it but when i got my OTS 50w i plugged the Cab in an left the amp on for about 50h with all the pots at 3 oclock. I played the amp every 10 h or so and i thought it just sounded better and better. Now my amp has on over 300 h i think or so, and it sounds GREAT.
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roadapple
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« Reply #3 on: May 04, 2009, 09:18:35 PM »
I received my OTS S&M on Friday. I turned it on and let it sit "idling"
Power = ON
Standby = ON
All controls at 12 o'clock

I'd go over and play it every hour or so for a few minutes. I turned it off after about 8 hours, when I went to bed. No problem.

Next morning turned it back on. Same routine, playing it every hour or so.

After being on about 4 hours on Saturday morning, I was playing and it went all distorted/breaking up, started smelling bad and just quit, in a about a 10 second span.

Did some logical procedures and found that one of the 6L6's had a big burn hole in the bottom and was charred between pins 5 and 6 pretty severely. Also the related tube socket was charred rather badly. The fuse in the holder next to the output tubes was also burnt/open.

Talked to Nik and we basically determined that (hopefully) it was just a defective tube? Nik is sending new tubes, tube socket and related resistors that are in that circuit and we'll try again.

The output Xformer was ok. Checked out the windings and all were normal ohm readings.

It was just a bummer because for my next gig tomorrow night I'll still be using my Mesa Lonestar Special (well, that's not really a BAD thing now is it?)  Grin

But, I was so looking forward to the OTS. It was sounding really good...until!!!
« Last Edit: May 04, 2009, 09:22:01 PM by roadapple » Logged
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