Guitar and Bass Amplifier Tubes

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  • Mesa/Boogie SPAX7 Preamp Vacuum Tube
    Item # AM190
    | Mfg # 750151F
    | UPC # 809404091917
    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 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 EL-84 / 6BQ5 Russian Premium Grade Vacuum Tubes, Matched Pair
    Item # AM188
    | Mfg # 750606D
    | 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.
  • Mesa/Boogie 5AR4/GZ34ACF Rectifier Tube, Premium Grade Vacuum Tube
    Item # AM770
    | Mfg # 750504F
    | UPC # 809404004634
    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 6 IN STOCK
  • Mesa/Boogie 5U4G Rectifier Tube, 750540F
    Item # AM793
    | Mfg # 750540F
    | UPC # 809404004641
    The MESA 5U4G rectifier tube is a classic 1930's "Coke Bottle" design - It produces a flexible, elastic feel that is a bit more controlled and slightly less "saggy" than our new 5U4GB - It has a nice spongy feel but has moderate life expectancy and reliability compared to our new 5U4GB - Due to its tall "Coke Bottle" design, this tube may not fit in all amplifiers - Please confirm the height between the amp chassis and the cabinet before choosing...
    ONLY 3 IN STOCK
  • Bugera 5U4 Classic Premium Rectifier Tube
    Item # AM7945U4
    | Mfg # 5U4
    | UPC # 713757155717
    Bugera premium-grade 5U4 rectifier tubes are hand-selected for their characteristic power supply “sag”, which provides a more compressed, elastic sound and feel that is the “Holy Grail” sought by legions of guitarists.Glorious Tone and Dependability:Our high-end 5U4 is a homage to the classic 1930s “Coke Bottle” rectifier tube and is used to produce more “sag” versus modern silicon diodes (the power...
    $24.99 | SAVE 33%
    ONLY 2 IN STOCK
  • The pre-amp section of a valve amp takes the relatively small signal from your guitar and amplifies it to a sufficient level to drive the power amp section. 
    $30.00 | SAVE 16%
    ONLY 1 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 1 IN STOCK, USUALLY SHIPS IN 3 DAYS
  • Mesa/Boogie 5Y3 Rectifier Tube, Premium Grade Vacuum Tube
    Item # AM763
    | Mfg # 750770F
    | UPC # 809404004719
    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 1 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 1 IN STOCK
  • Dunlop MXR M222 Talkbox Replacement Vinyl Tube
    Item # GU773ECB303
    | Mfg # ECB303
    | UPC # 710137067301
    MXR M222 Talkbox Replacement Vinyl Tube ECB303 by Jim Dunlop.
    $13.02 | SAVE 40%
    0 IN STOCK, EXPECTING MORE SOON
  • Marshall - ECC83S Silver Anode Replacement Valve
    Item # AM221VL67S
    | Mfg # MVLVE00067S
    | UPC #
    Pre amp valves provide all the drive and tone shaping facilities in your amplifier. The higher their quality, the higher the quality of yoursound. The most common pre-amp valve is the ECC83 (12AX7). We select the finest ECC83s currently available.
    SHIPS DIRECTLY FROM MANUFACTURER, WAIT TIMES VARY. PLEASE CONTACT US FOR AVAILABILITY
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