M12 - Dr. Z Package

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Tube upgrade package includes

1 TubesSED-EF86 Winged "C" (SED) EF86 / 6J32p
1 TubesSOV-12AX7LPS Sovtek 12AX7-LPS
2 TubesJJ-EL84 JJ EL84 / 6BQ5
1 TubesJJ-5AR4 JJ GZ34 / 5AR4
This is a Dr.Z factory retube kit for the M12 tube amp.

V1: NOS Winged C EF86
V2: Sovtek 12AX7 LPS
V3 and V4: Matched pair JJ EL84
V5: JJ 5Y3-S

Additional Information and Downloads

Original Package - Click for more information.

Bias Type:Cathode Bias (Self Adjusting)

Warranty Information and Return Policy

Warranty may vary for tubes in this package. See included tubes webpages for specific warranty details.

Ratings & Reviews

1 review

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Quick Correct Fix


My M-12 gets a lot of use, at least 12 hours a week. When the rectifier went out, I immediately ordered this set. Quick service from The Tube Store and I was up and running in no time. Replaced all the tubes, everything works perfectly. Thanks Tube Store!