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lo-gain

  1. 131east23

    Dynaco ST 70 with Lo-Gain Board has hum...

    My Dynaco ST 70 with Lo-Gain board has a noticeable hum. I have Cornwalls so I'm sure they make it more noticeable, but the hum is related to a vibration in the amp. The left output transformer seems to be vibrating. Is it about to go or could there possibly be something else causing this: bad...
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