GROOVE TUBES

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  • Groove Tube 6L6 Gold Series Quartet Tubes, Medium Power Range (4-7)
    Item # AM138CHPQM
    | Mfg # 5550113500
    | UPC # 736021126435
    A medium-output power tube (generally 20-25 watts) often used in Fender professional amplifiers including the Bassman®, Bandmaster®, Concert, Dual Showman®, Hot Rod Series, Pro Series, Super Reverb®, Tremolux™, Twin, Vibrolux, Super-Sonic™, Blues Deluxe™, Blues DeVille™ and others. Available in many variations, its response is round, with a pronounced midrange character; strident and chesty with a super-bri...
    $119.99 | SAVE 14%
    0 IN STOCK, EXPECTING MORE SOON
  • Groove Tubes 6550 Gold Series Russian Duet Tubes, High Power Range (8-10)
    Item # AM176RDH
    | Mfg # 5550113478
    | UPC # 736021129924
    One of the highest-output 8-pin pentodes available. Originally manufactured in the United States by G.E.®, it delivers 35 to 50 watts per tube and was original equipment in Ampeg SVT and Marshall® amps during the ’70s and early ’80s. A big, clean, tight tube with amazing headroom and performance and great power and dynamics. A similar tubes is the KT88 (used by Sunn® and others). The highest-output power tube in this famil...
    $119.99 | SAVE 14%
    0 IN STOCK, EXPECTING MORE SOON
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