triode pentode
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High/Low Power Switch Problem JCM900 MKIII
Hello everyone. I have a problem with my High/Low power switch on my 1990 JCM900 MKIII 2100. I decided to try out the Low power (50w) mode the other day and noticed that it seemed louder than the 100watt mode. I decided to measure the volume with a decibel meter. The meter I used was able to...- SixStringSting628
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- 2100 2100 mkiii jcm jcm 900 pentode power switch triode triode pentode
- Replies: 11
- Forum: The Workbench
