Guitar Amp Vacuum Tubes

 
Don't let worn, failing, or compromised vacuum tubes (valves) rob your amplifier of its precious tone! Available individually or in matched sets, AMS provides a full range of preamp and power amp tubes to deliver the ultimate in amplifier performance.
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  • The STR-445 is a 6L6 that shares some qualities of a 6CA7 in that it has tight, articulate low-end for excellent bass definition along with beautifully balanced mid and a chiming top-end that cuts without ...
    $69.99
     
    $69.99      $69.99
     
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  • 12AX7 preamp tubes play a remarkable, dynamic role in the creation of the final tone in your vacuum tube amplifier. 12AX7s are components, early in the circuit, that determine how clean or, how lush, layered and ...
    $22.29
     
    $22.29      $22.29
     
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  • The MESA EL-34 STR 447 is our very best overall, premium grade NOS equivalent EL-34 and our tube of choice in the production of all new MESA EL-34 powered models. It offers traditional EL-34 tone & feel – ...
    $79.99
     
    $79.99      $79.99
     
    3 Payments of $26.67
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  • The MESA EL-84 / 6BQ5 is the little brother to the EL-34 and is the classic European-designed tube that lead the original British invasion. Our EL-84 offers tight and punchy bass, smooth and warm midrange, and an ...
    $51.99
     
    $51.99      $51.99
     
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  • 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 ...
    $44.99
     
    $44.99      $44.99
     
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  • MESA SPAX7 preamp tubes are a premium grade 12AX7 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 ...
    $25.39
     
    $25.39      $25.39
     
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  • The MESA 5U4GB Rectifier Tube is our very best overall 5U4 and our rectifier tube of choice in the production of all new MESA amps featuring this tube. This tube produces a 'traditional vintage sag' with the most ...
    $33.49
     
    $33.49      $33.49
     
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  • The MESA 5Y3 is a favorite among vintage aficionados and is our tube of choice in the production of the Lone Star Special. This tube produces sultry, vintage sag, creating a silky-smooth feel on the strings that is ...
    $33.29
     
    $33.29      $33.29
     
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  • The MESA 12AT7 is a premium grade, lower gain preamp tube most often used in reverb stages and/or phase inverter positions in older amplifiers. It is used in older MESA/Boogie designs (MESA amps built before 1991) ...
    $24.89
     
    $24.89      $24.89
     
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  • 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. Used in vintage MESA amps ...
    $39.99
     
    $39.99      $39.99
     
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  • The MESA STR 450 EL-34 is a German made, 'A' grade NOS (New Old Stock) Siemens EL-34. This legendary European EL-34 is known for its unsurpassed 'bell-tone' clarity and touch sensitive sustain & articulation. ...
    $189.00
     
    $189.00      $189.00
     
    3 Payments of $63.00
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  • The MESA 6V6 STR 417 is the little brother to the 6L6 and exemplifies classic American tube tone from yesteryear. Extremely sweet and bubbly with a beautifully deep bass and spacious, shimmering highs, this tube ...
    $62.99
     
    $62.99      $62.99
     
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  • The STR 441 is an exceptional vintage-voiced 6L6 with superb low end, neatly tucked mids and an exceptionally smooth, tapered top-end for a warmer, richer and sweeter tone. They help provide the Treble and Presence ...
    $69.99
     
    $69.99      $69.99
     
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  • The 6L6 STR-443 power tubes provide a great classic, vintage 6L6 voice. These nicely balanced tubes offer a deep low end, controlled and tailored low-mids with a pleasing sparkle and chime on the top-end. ...
    $69.99
     
    $69.99      $69.99
     
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  • The MESA 5881 STR 425 is a military grade 6L6 designed with an emphasis on rugged durability and the capability to handle higher voltage requirements. It produces a full bass and rich midrange with tapered highs ...
    $79.99
     
    $79.99      $79.99
     
    3 Payments of $26.67
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  • The MESA STR 488 is the premium KT-88 of choice for our all-tube Prodigy and Strategy Bass Amps. Capable of delivering incredible power and fundamental bass punch, the STR 488 also offers the perfect blend of ...
    $158.99
     
    $158.99      $158.99
     
    3 Payments of $53.00
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  • The GTECC83S preamp tube passes every Groove Tubes premium certification for microphonics, hum, physical characteristics and function. Quite simply the best 9-pin triode preamp tubes you can buy — ...
    $24.99
     
    $24.99      $24.99
     
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  • 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 ...
    $79.99
     
    $79.99      $79.99
     
    3 Payments of $26.67
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  • 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 ...
    $159.99
     
    $159.99      $159.99
     
    3 Payments of $53.33
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  • The 6V6 is a low-output power tube (12-18 watts) often used in Fender® amplifiers, including the Champ®, Deluxe™, Dual Professional, Vibro-King®, Princeton®, Vibrolux® and others. It has a ...
    $69.99
     
    $69.99      $69.99
     
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