Guitar & Bass Amplifier & Effect Accessories

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  • Mesa/Boogie 6L6 STR-440 Duet (matched pair) Premium Grade Vacuum Tubes
    Item # AM185440
    | Mfg # 750618D
    | UPC # 809404063846
    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 12AX7 Premium Grade Preamp Tube
    Item # AM767
    | Mfg # 750150F
    | UPC # 809404091900
    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 EL-84 / 6BQ5 Russian Premium Grade Vacuum Tubes, Matched Pair
    Item # AM188
    | Mfg # 750604D
    | UPC # 809404084056
    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 7 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 6 IN STOCK, USUALLY SHIPS IN 3 DAYS
  • Groove Tubes GT-12AX7 Guitar Amplifier Tube
    Item # AM029
    | Mfg # GT12AX7R
    | UPC # 736021438149
    (aka: ECC83, 7025) The standard preamp tube replacement.
    $19.99 | SAVE 20%
    ONLY 5 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 4 IN STOCK, USUALLY SHIPS IN 3 DAYS
  • 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
  • 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 3 IN STOCK
  • (aka: 6BQ5) Most common low power pentode, with a slightly aggressive edge when pushed into overdrive.
    $99.99 | SAVE 16%
    ONLY 2 IN STOCK
  • Mesa/Boogie 12AT7 Preamp Tube, 750227F
    Item # AM792
    | Mfg # 750227F
    | UPC # 809404029040
    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, USUALLY SHIPS IN 3 DAYS
  • Mesa/Boogie 5AR4/GZ34ACF Rectifier Tube, Premium Grade Vacuum Tube
    Item # AM770
    | Mfg # 750504F
    | UPC # 809404029071
    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 2 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 2 IN STOCK, USUALLY SHIPS IN 3 DAYS
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