Re: 12AT7s for the MP-1

OTL Asylum

OTL, Output Transformerless Amplifier User Group.

In Reply to: 12AT7s for the MP-1 posted by Dave Garretson on December 26, 2006 at 09:42:55:

Our recommendation is don't get the NOS types- they are rarely quiet enough. I'm running a ZYX Universe (0.24 mV) at home with no noise issues with either preamp (I just went from the MP-3 to an MP-1).
The MkII tube regulator can fail but the preamp will still run. Noise issues in the phono is one of the more common problems. If you are still running the tube regulator, I recommend replacing the tube and all the ICs on the board in the power supply and the head unit. They are socketed and available from Radio Shack (TLO72 or TLO82 works fine) for about $1.00 each.

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Follow Ups Full Thread

Topic - 12AT7s for the MP-1 - Dave Garretson 09:42:55 12/26/06 (5)

Re: 12AT7s for the MP-1 - Frihed89 00:42:43 01/10/07 (0)

Re: 12AT7s for the MP-1 - BAJ 07:24:17 12/31/06 (1)

Re: 12AT7s for the MP-1 - BAJ 07:34:19 12/31/06 (0)

Re: 12AT7s for the MP-1 - Jack Williams 10:55:12 12/26/06 (0)

Re: 12AT7s for the MP-1 - Ralph 10:52:27 12/26/06 (0)

Follow Ups

Re: 12AT7s for the MP-1 - Ralph 10:52:27 12/26/06 (0)

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