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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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In Reply to: Tube Rolling an MP1 3.3 posted by Simon Templar on February 21, 2023 at 23:25:57:
For the 6SN7s, the one in each channel closest to the front has the most effect. The Linlai is the best we've heard so far. No idea how long they last. The best NOS tube seems to the the KenRad.
For the phono section the 12AT7s nearest the rear panel have the most effect. They should test very high on a tube tester and matched internal sections help! For this reason the Chinese tubes get high marks.
There are 4 12AT7s in a row in the rear of each channel. Its the 3 closest to the rear that are the most important. They all have equal merit as they are paralleled (for lower noise and better ability to drive the 4th tube in that row).
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Follow Ups
- MP-1 Mk3.3 most important tube positions. - Ralph 13:10:57 02/22/23 (2)
- RE: MP-1 Mk3.3 most important tube positions. - Simon Templar 22:47:09 03/04/23 (1)
- No- what is important is that the tube actually be good and tests strong nt - Ralph 14:55:13 03/07/23 (0)
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