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Groove Tubes Silver Series ST-12AU7-C Preamp Tube

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12AU7 Silver SeriesCountry of origin: China

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12AU7 Silver Series

Country of origin: China


  • Groove Tubes Silver Series are tested and warranted to meet or exceed factory specifications.
  • Silver Series tubes are excellent for "normal" tube replacement applications and offer exceptional value.
  • Not recommended for the critical high gain V1 stages of high gain guitar amps, but perfect for the other less critical stages such as V2-V6 stages.
  • Country of origin: China
  • Country of origin: China
Pro Coverage
90 day warranty on power tubes, includes replacement of whole set if one tube goes bad.
180 day warranty for preamp tubes.
3 year warranty on SubstiTubes and Solid State Rectifier.
Check with M-Audio for warranty on GT microphones.

  • Customer Reviews

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Groove TubesSilver Series ST-12AU7-C Preamp Tube

(based on 1 review)

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Reviewed by 1 customer

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(1 of 1 customers found this review helpful)


Good Standard 12AU7

By al

from Fl

Comments about Groove Tubes Silver Series ST-12AU7-C Preamp Tube:

You don't have to spend a ton on good tubes. There's not much of a difference between this and the next step up (which is over $10 more). These are great replacement 12AU7s!

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