Guitar & Bass Amplifier & Effect Accessories

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  • Mesa/Boogie 12AX7 Premium Grade Preamp Tube
    Item # AM767
    | Mfg # 750150F
    | UPC # 809404004597
    MESA 12AX7's are premium grade preamp tubes that provide the maximum level of high gain output and overall tonal quality with unsurpassed consistency and reliability - They possess a smooth and balanced response across the tonal spectrum and are extremely lively, open and expressive.
  • Mesa/Boogie SPAX7 Preamp Vacuum Tube
    Item # AM190
    | Mfg # 750151F
    | UPC # 809404004603
    MESA SPAX7 preamp tubes are a super-premium grade substitute for any 12AX7 positions - They are a "Special Requirement Preamp Tube" that possess an even higher standard of overall performance, due to their incredibly low sensitivity to microphonic noise - This is the ultimate preamp tube to use in all critical gain stage positions - It is the absolute best of the best!
  • Mesa/Boogie 6L6 STR-440 Duet (matched pair) Premium Grade Vacuum Tubes
    Item # AM185440
    | Mfg # 750618D
    | UPC # 809404004702
    The MESA 6L6 STR-440 is our very best overall 6L6 - It is a premium grade, US equivalent and our tube of choice in the production of all new Mesa 6L6 powered models - Remarkable bass definition, articulate mids and shimmering highs keep every note amazingly intelligible, with a smooth, creamy character - Premium structural quality provides exceptional consistency and reliability - Rivals NOS (New Old Stock) durability and sonic character - Amazin...
  • Mesa/Boogie EL-84 / 6BQ5 Russian Premium Grade Vacuum Tubes, Matched Pair
    Item # AM188
    | Mfg # 750604D
    | UPC # 809404004672
    The MESA EL-84 / 6BQ5 is the little brother to the EL-34 and is the classic European designed tube that lead the British invasion - Our EL-84 is tight and aggressive, yet smooth and warm, with an amazing chiming mid and top end - Brilliant focus with a frequency response that always brings your guitar to the front of the mix - This tube is true to its classic roots and is extremely consistent and reliable.
    ONLY 8 IN STOCK
  • Groove Tube 6L6 Gold Series Single Tube, Medium Power Range (4-7)
    Item # AM138CHPM
    | Mfg # 5550113677
    | UPC # 736021122628
    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...
    $29.99 | SAVE 14%
    ONLY 4 IN STOCK
  • Groove Tubes EL34 Gold Series Slovakian Duet Tubes, Medium Power Range (4-7)
    Item # AM139LSDM
    | Mfg # 5550113545
    | UPC # 736021122253
    The original power platform behind most high-powered British guitar stacks from the ’60s onward. Output is generally between 20 and 25 watts, with pronounced midrange punch, tight low end and crisp top end that breaks up relatively smoothly and gets a little crunchy when pushed hard. It provides a great voice that stands out in a band mix as the mids tend to power their way through an overall mix. Big brother to the EL84.
    $69.98 | SAVE 12%
    ONLY 4 IN STOCK
  • Groove Tubes 12AX7C Preamp Guitar Amplifier Tube
    Item # AM029C
    | Mfg # 5550112398
    | UPC # 736021123984
    Great for Marshalls and Fenders. Sweet warm mid range tone, complements tone of European amps.
    $19.99 | SAVE 20%
    ONLY 3 IN STOCK, USUALLY SHIPS IN 3 DAYS
  • 3 3/4" from bottom of base to top of glass. The MESA 5U4GB rectifier tube is our very best overall 5U4 and our tube of choice in the production of all new Mesa amps featuring this tube - Based upon classic 1950's technology, the 5U4GB is a vastly improved 5U4 design that is extremely reliable and consistent, as well as much more compact - It is basically the size of a 6L6 power tube, so please take special care to install them in the correct tube...
    ONLY 3 IN STOCK
  • The MESA EL-34 STR-447 is our very best overall EL-34 - It is a premium grade, NOS (New Old Stock) equivalent and our tube of choice in the production of all new Mesa EL-34 powered models - It has a traditional EL-34 tone & feel that is very urgent and aggressive and is an excellent choice for all styles of gain, especially classic rock, alternative rock & metal - This tube is true to the crown with focused low end, crushing mid range cru...
    ONLY 3 IN STOCK
  • Groove Tubes EL84 Gold Series Slovakian Duet Tubes, High Power Range (8-10)
    Item # AM140SDH
    | Mfg # 5550113581
    | UPC # 736021128132
    Exhibits many of the same characteristics as the EL34, but with a power output of roughly 5-8 watts. Very creamy and smooth; used in many modern class “A” amps. Nearly every modern tube amp company produces a small amp, and Groove Tubes EL84s are a perfect upgrade for any stock tube in these amps. Great for recording and rehearsal; with a soft and tactile touch, rich harmonic response and pleasingly musical top end.
    $49.99 | SAVE 16%
    ONLY 2 IN STOCK
  • Groove Tubes EL84 Gold Series Slovakian Quartet Tubes, Medium Power Range (4-7)
    Item # AM140SQM
    | Mfg # 5550113583
    | UPC # 736021126251
    Exhibits many of the same characteristics as the EL34, but with a power output of roughly 5-8 watts. Very creamy and smooth; used in many modern class “A” amps. Nearly every modern tube amp company produces a small amp, and Groove Tubes EL84s are a perfect upgrade for any stock tube in these amps. Great for recording and rehearsal; with a soft and tactile touch, rich harmonic response and pleasingly musical top end.
    $99.99 | SAVE 16%
    ONLY 2 IN STOCK
  • Mesa/Boogie 12AT7 Preamp Tube, 750227F
    Item # AM792
    | Mfg # 750227F
    | UPC # 809404004627
    The MESA 12AT7 is a premium grade, classic low gain preamp tube most often used as a reverb driver and/or phase inverter in older amplifiers - It is used as a reverb driver in older MESA/Boogie designs, such as the Studio Preamp and some Mark Series amplifiers.
    ONLY 2 IN STOCK
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