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Old 25th February 2012, 09:32 PM   #1
cheryl is offline cheryl  United States
diyAudio Member
Join Date: Jul 2010
Default BASH 300S Blowing Fuses

My BASH 300S started blowing fuses. I removed the amp and found a blown component. It is marked on the board as "R400" and on the component is "SCK 104". Research indicates that this is some type of thermistor -- but I have no idea what the specs are or where to get a replacement.

Does anyone know what the actual specs are on the component and where to get a new one?

Also, is this indicative of another problem in the amp that may be causing an over-current condition? I didn't see any other components that looked damaged. Or can these blow just from getting old and out of spec?

Thanks for any help,
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Old 26th February 2012, 11:51 PM   #2
diyAudio Member
Join Date: Apr 2002
Location: Texas
10 ohm 4A

I'd rather a fuse blow than a thermister!
Try slo-blow fuse per spec.
Likely something else also wrong.
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Old 26th February 2012, 11:58 PM   #3
cheryl is offline cheryl  United States
diyAudio Member
Join Date: Jul 2010
The fuse did blow, and it is the proper fuse (3.15A, 250V, Slow-blow). So, I guess it is likely that something else is wrong in addition to the thermistor and the fuses blowing.

Thanks for the info!
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Old 21st February 2017, 04:37 AM   #4
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Join Date: Feb 2017
Location: Colorado
Do you still have it
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