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  • Mesa/Boogie 6L6 GC STR 440 Duet
    Mesa/Boogie 6L6 GC STR 440 Duet
    6L6GC Power Tubes Duet Matched 6L6 Power Tube Pair The Mesa/Boogie 6L6 STR 440 Duet amplifier tube matched pair gives your amp the best 6L6 performance possible. Consistent and reliable, the STR 440 Duet features the same tubes Mesa puts in all their 6L6-equipped amps. These matched tubes give you punchy bass, great-sounding mids, and detailed high-end while...
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    Sale Price: $44.00

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  • Mesa/Boogie 12AX7
    Mesa/Boogie 12AX7
    12AX7 Preamp Tube (ea) Replacement 12AX7 Preamplifier Tube, Providing High-gain Output and Balanced Tonal Response The Mesa/Boogie MESA 12AX7 is a premium-grade preamplifier tube. It's designed to provide high gain output with an overall balanced tonal quality. You'll also find that the MESA 12AX7 is both consistent and reliable in its smooth, balanced tonal response. The MESA 12AX7 is a lively, open, and expressive...
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    Sale Price: $17.50 (ea)

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  • Mesa/Boogie SPAX7
    Mesa/Boogie SPAX7
    SPAX7 Preamp Tube (ea) Replacement Preamp Tube for 12AX7 The Mesa/Boogie SPAX7-A preamp tube makes the ultimate replacement tube for any 12AX7A in your amp. This premium product is considered a "special requirement preamp tube" because of its build quality and performance. The SPAX7-A shows very low sensitivity to microphonic noise — an essential attribute for...
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    Sale Price: $21.50 (ea)

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  • Mesa/Boogie EL-84/6BQ5 Russian Matched Pair
    Mesa/Boogie EL-84/6BQ5 Russian Matched Pair
    EL-84 / 6BQ5 Tubes Duet EL-84 Power Tubes, Matched Pair The Mesa/Boogie EL-84/6BQ5 Russian matched tube pair gives you the fast dynamic response and sweet tonal characteristics that made those great British Invasion-era amps sing. Built to provide that distinctive chime in the mids and high frequencies, the EL-84/6BQ5 Russian matched pair gives you focused tone and...
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    Sale Price: $30.00

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  • Mesa/Boogie 5U4GB
    Mesa/Boogie 5U4GB
    5U4GB Rectifier Power Tube (ea) Replacement Rectifier Power Tube You'll find the MESA 5U4GB inside all the new Mesa/Boogie tube amplifiers. As M/B puts it, it's their "factory favorite" — and for good reason. The MESA 584GB is based on 1950s tube technology, and is essentially an improvement on the 5U4 design. Not only is the tube more reliable, but it's much more...
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    Sale Price: $25.00 (ea)

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  • Mesa/Boogie EL-34 GC STR 447 Duet
    Mesa/Boogie EL-34 GC STR 447 Duet
    EL34 STR 447 Tubes Duet Matched EL-34 Power Tube Pair The Mesa/Boogie EL-34 STR 447 Duet amplifier tube matched pair packs big, classic tone into your amp's powerplant. Mesa's best overall EL-34 set, the EL-34 STR 447 Duet works great for everything from classic rock to heavy metal. These matched tubes give your amp a focused, aggressive tonality, with plenty of...
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    (1 review) Sale Price: $47.00

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  • Mesa/Boogie 5Y3 Rectifier Tube
    Mesa/Boogie 5Y3 Rectifier Tube
    5Y3 Rectifier Power Tube (ea) Replacement Rectifier Tube You'll find the MESA 5Y3 inside all the Mesa/Boogie Lone Star Special tube amplifier. The MESA 5Y3 is a true, authentic 5Y3 NOS (New Old Stock) tube based on the original Phillips 5Y3 and is built to Mesa/Boogie's exacting specifications. This tube produces a sultry vintage sag, creating a silky, smooth feel...
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    Sale Price: $21.00 (ea)

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  • Mesa/Boogie 12AT7
    Mesa/Boogie 12AT7
    12AT7 Power Tube (ea) Replacement 12AT7 Low-gain Preamplifier Tube, Used as Reverb Driver And/or Phase Inverter in Older Mesa/Boogie Amplifiers Mesa/Boogie most frequently used the MESA 12AT7 preamplifier tube as a reverb driver in their Studio Preamp and a handful of Mark Series amplifiers. The MESA 12AT7 is a premium-grade, classic low-gain preamplifier tube — one that was also used as a phase inverter in older amplifiers. Mesa/Boogie MESA...
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    Sale Price: $17.00 (ea)

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  • Mesa/Boogie Mark IV 112 Combo Cover
    Mesa/Boogie Mark IV 112 Combo Cover
    Mark IV 1x12 Combo Cover Amp Cover for Mark IV 112 Combo This rugged cover is made especially for the Mesa/Boogie Mark IV 1 x 12" tube combo amplfier. Mesa/Boogie products are ONLY available for US shipping. Must be a U.S. resident. Shipping charges apply.
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    Sale Price: $49.00

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  • Mesa/Boogie Ace 212 CoverPrice Drop
    Mesa/Boogie Ace 212 Cover 
    Ace 212 Cover Amp Cover for Ace 212 This rugged cover is made especially for the Mesa/Boogie Stiletto Ace 2 x 12" tube combo amplfier. Mesa/Boogie products are ONLY available for US shipping. Must be a U.S. resident. Shipping charges apply.
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    Sale Price: $49.00

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At Sweetwater, we take pride in our great Mesa/Boogie guitar amp accessories selection. We carry top-quality products that you can count on for dependability and quality, and our knowledgeable and friendly Sales Engineers are here to help you find the Mesa/Boogie guitar amp accessories to fit your needs, at a competitive price. Whether you're looking for pro-level items, entry-level gear, or anything in between, you can count on Sweetwater for an incredible inventory of the best products you'll find anywhere. And our expert service and amazing free shipping on most items add even more value to our Mesa/Boogie guitar amp accessories stock!

Our Customers Say...

Absolutely, without a doubt, we get everything we possibly can from Sweetwater. I have a great relationship with my Sales Engineer. His advice is always right on. The service, support, and knowledge are definitely there.
Troy Henry, Raleigh, NC

Sweetwater Sound Inc.
5501 U.S. Hwy 30 W
Fort Wayne, IN 46818
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