Tube Noise

Tubes Asylum

Questions about tubes and gear that glows. FAQ

I have recently purchased a valve:" Ming Da phono pre amp" and do have some feedback at higher volumes.Is this usual for valve or would tube roling help.The amp attached to the phono stage is solid state (class A) and does not have any feedback present at all.Does anyone out there have any ideas?Would the Shuguang 12AX7B or 6N3 Amplification valves be the likely culprits?Thankyou.

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Topic - Tube Noise - Enthusiast10 02:46:27 09/25/06 (3)

Re: Tube Noise - Jim McShane 05:41:25 09/27/06 (2)

Re: Tube Noise - Enthusiast10 05:55:34 09/27/06 (1)

Re: Tube Noise - John Chleapas 23:19:18 09/28/06 (0)

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