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CCS Failure Possibilities [message #31785] Wed, 01 March 2006 15:46 Go to previous message
Manualblock is currently offline  Manualblock
Messages: 4973
Registered: May 2009
Illuminati (13th Degree)
Studying Damir's six part design tutorial for an SE amp I thought I noticed that should a CCS Mos-Fet burn out it would put the entire B+ through your expensive 300b or whatever other tube you are designing around; most likely causing a mini bomb in your amp. Damir confirms that this could in fact occur and should be protected against with a resistive fuse placed between the tube and the CCS. He can explain it better but my concern is that the remaining resister could flame on and start a fire in any CCS loaded tube amp.

We need some dialogue regarding this potentially dangerous issue.

I just want to state that this is true for any CCS load; not just Damir's design which is designed safely well within the proper guidelines.

I would not want to think I had to always stay in the room whenever a CCS amp is on in order to keep watch on it.

 
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