Groove Tubes Silver Series ST-7591-R Power Tube  

Item #: 
12747416327679786
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The Groove Tubes Silver Series ST-7591-R Power Tube is a somewhat obscure pentode tube used in some early Gibson amps that had been off the market. Recently, a Russian factory decided to supply it aga... Read More

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Overview

The Groove Tubes Silver Series ST-7591-R Power Tube is a somewhat obscure pentode tube used in some early Gibson amps that had been off the market. Recently, a Russian factory decided to supply it again. Groove Tubes ST-7591-R tubes are made in very low quantities and are a close copy of the original vacuum tube.

Country of origin: Russia

Features
  • NEW SILVER SERIES TUBES
  • 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.
Specifications
  • Country of origin: Russia
Warranty
MANUFACTURER'S WARRANTY
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.


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