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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Serious Micro-Phonics and Hum from Citation V posted by mr9iron on July 7, 2012 at 01:06:10:
In my experience with generic tube amplifiers (not specific to the Cit V), those symptoms point to two possibilities. First, you may have lost the NFB connection. That will increase the gain tremendously and also increase hum. Second, the amplifier may be oscillating at a frequency above the audio range. That almost always creates microphonics and hum, and can also burn out tweeter voice coils.
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Follow Ups
- RE: Serious Micro-Phonics and Hum from Citation V - Triode_Kingdom 10:17:41 07/07/12 (3)
- RE: Serious Micro-Phonics and Hum from Citation V - mr9iron 11:08:19 07/07/12 (2)
- RE: Serious Micro-Phonics and Hum from Citation V - Triode_Kingdom 13:32:42 07/07/12 (1)
- RE: Serious Micro-Phonics and Hum from Citation V - mr9iron 14:42:41 07/07/12 (0)
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