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Have a yamamoto a08s with 280 rectifier tube. The amp was working fine then the volume start to turn soft for a short period before going back to normal. This happened a few times. I noticed that the filament of the 280 tube dimmed when the volume went down. Does this indicate that my 280 tube is dead or some other problems ?
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Topic - Rectifier 280 tube problem ? loud and soft - tangotango 19:25:14 03/16/14 (2)
- Not necessarily... - Lee of Omaha 13:29:59 03/17/14 (0)
- Not necessarily... - Lee of Omaha 10:24:14 03/17/14 (0)