Guitar & Bass Amplifier & Effect Accessories

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  • 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...
    ONLY 7 IN STOCK
  • 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 6 IN STOCK
  • Mesa/Boogie 12AX7 Premium Grade Preamp Tube
    Item # AM767
    | Mfg # 750150F
    | UPC #
    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.
    ONLY 5 IN STOCK
  • Groove Tubes 12AX7C Preamp Guitar Amplifier Tube
    Item # AM029C
    | Mfg # GT12AX7C
    | 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
  • (aka: 6BQ5) Most common low power pentode, with a slightly aggressive edge when pushed into overdrive.
    $99.99 | SAVE 16%
    ONLY 3 IN STOCK
  • The MESA 5AR4 rectifier tube produces a vintage feel with light to mild "sag" - While it produces more "sag" than Silicon Diodes, it is the least "saggy" of our tube rectifier offerings (The Rectifier is part of the Power Supply and its purpose is to convert AC into DC).
    ONLY 3 IN STOCK, USUALLY SHIPS IN 3 DAYS
  • The MESA 6V6 STR-417 is the little brother to the 6L6 and is all about classic American tube tone from yesteryear - Extremely sweet and bubbly with a beautifully deep bass and spacious shimmering highs, this tube defines vintage "Deluxe" styled tone and is a great substitute in the Mark I, Mark IV & Lone Star when used with their "Tweed" Switch feature - Please see the amplifier owner's manual for correct use of this tube.
    ONLY 3 IN STOCK, USUALLY SHIPS IN 3 DAYS
  • Mesa/Boogie SPAX7 Preamp Vacuum Tube
    Item # AM190
    | Mfg # 750151F
    | UPC #
    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!
    ONLY 3 IN STOCK
  • Groove Tubes GTE34LS4 Power Quartet EL34 Guitar Amplifier Tube - Matched Set of 4 - Rating 4
    $139.99 | SAVE 12%
    ONLY 2 IN STOCK
  • Groove Tubes GT-EL84-S Replacement Power Tube - Single
    Item # AM1405
    | Mfg # GTEL84S5
    | UPC # 736021122192
    Most common low power pentode, popularized in early Vox AC30 amps. Rediscovered by Matchless amps and now currently used by nearly every tube amp company. Quick, soft overdrive distortion, great for recording. Rating: 5
    $24.99 | SAVE 16%
    ONLY 2 IN STOCK, USUALLY SHIPS IN 3 DAYS
  • The MESA 5Y3 is a true, authentic 5Y3 NOS (New Old Stock) equivalent modeled after the original Phillips 5Y3 and is built to our exacting specification for use in our Lone Star Special - This tube produces a sultry vintage sag, creating a silky, smooth feel on the strings and provides the most sag of all of our rectifier tubes.
    ONLY 2 IN STOCK, USUALLY SHIPS IN 3 DAYS
  • 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 2 IN STOCK, USUALLY SHIPS IN 3 DAYS
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