The Groove Tubes Silver Series ST-E34L-S Power Tube is an exclusive GT design with special "heat wings" attached to plate for 15% more power, longer life, and better tone. Big bottom, very dynamic, most powerful in it's class. The 1st choice of Matchless and many pro players including Billy Gibbons, Joe Perry and Joe Walsh.

Groove Tube Silver Series ST-E34L-S Power Tube 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.

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