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Groove Tubes Silver Series ST-EL34-R Power Tube

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ST-EL34-R Silver Series single tubeCountry of origin: Russia

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ST-EL34-R Silver Series single tube

Country of origin: Russia


  • 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: Russia
  • Country of origin: Russia
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

Review Snapshot

by PowerReviews
Groove TubesSilver Series ST-EL34-R Power 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)


Groove tubes... why?


from Rochescter NY

Comments about Groove Tubes Silver Series ST-EL34-R Power Tube:

I really do not understand the point in buying most of the groove tubes. This looks to me like a standard TungSol EL34 which usually goes for nearly 6 or 7 bucks less. Groove tube buys tubes from either China or different brands, puts their own writing on them and re sells them for more money than their worth. The only good groove tube from my experience is the SAG 12ax7 phase inverter tube. The only reason I like it is because you are guaranteed the triodes will be perfectly matched. Other than that it is simply a cheap chinese 7-10 dollar tube they are charging you like tripple the price for. I do not recommend groove tubes unless you have extra money to spend, or it is the only thing available at the time of purchase. they are not BAD tubes, they are just over priced.

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