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Mesa/Boogie 12AX7 Preamp Tube
Keep your tube amp singing with official Mesa 12AX7 preamp tubes -- selected for their full-range tonal quality, stability, low noise and low microphonics.
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Mesa/Boogie 6L6 STR-445 Duet Power Tubes
The Mesa/Boogie 6L6 STR-445 tubes deliver tight low-end response, accurate midrange, and a glassy high-end that doesn't get too carried away.
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Mesa/Boogie SPAX7 Premium Grade 12AX7 Preamp Tube
The Mesa/Boogie SPAX7 12AX7 preamp tube has been specially selected for low noise in high-gain applications, then shrink-wrapped for even more shielding.
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Mesa/Boogie 6L6 GCSTR441 Duet Power Tubes
Project a clean, beefy low end with a sweetened treble bite with these Mesa 6L6 power tubes. This duet is the perfect replacement for your Mark V amp.
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Mesa/Boogie 5U4GB Rectifier Tube
The standard rectifier tube in Dual and Triple Rectifier amps, among others, the 5U4GB is your choice when you prefer a noticeable amount of amplifier sag.
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Mesa/Boogie 5881 6L6 STR425 Duet Power Tubes
When you require all the power and rich saturation of premium 6L6 valves, then you'll need to feed your amp this duet of military-spec Mesa power tubes.
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Mesa/Boogie EL-34 STR 447 Duet Power Tubes
Offering traditional, yet immediate response, the Mesa/Boogie EL-34 STR-447 power tubes work in all genres, but really excel with rock and metal.
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Mesa/Boogie EL-84 6BQ5 Duet Power Tubes
Refresh your amps that utilize a pair of EL-84s! These tubes produce a warm midrange that is pleasing to anyone's ear while still punching through the mix.
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Groove Tubes GTECC83S Select Preamp Tube
Squeeze the most gain from your amp with a Groove Tubes preamp tube. This select ECC83S undergoes stringent testing to ensure its premium certification.
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Groove Tubes GT-EL84-S Duet
Give you amp a new breath of life! These pair of Groove Tube EL84 tubes provide clear and harmonic tones that any tube amp connoisseur would enjoy.
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Mesa/Boogie 6V6S GTA STR 417 Duet Power Tubes
Looking to refresh your 6V6-powered amp? This matching pair of tubes produces a bellowing low end with a nice and chimey top end.
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Mesa/Boogie 12AT7 Premium Grade Preamp Tube
Drive your amp's reverb stage with Mesa/Boogie 12AT7 premium preamp tubes, or use them in place of 12AX7s for expanded gain range in high-gain amps.
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Mesa/Boogie 5Y3 Rectifier Tube for Lone Star Special
When you require the spongiest sag from your amp, reach for the 5Y3 rectifier tube. Boasting vintage performance, this durable Mesa tube is built to last.
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Mesa/Boogie 5AR4/GZ34 Rectifier Tube
Dial in just the right amount of sag with the 5AR4/GZ34 rectifier tube. Designed to be Mesa's least "saggy" tube, this model adds character to your sound.
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Mesa/Boogie 6L6 GCSTR443 Duet Power Tubes
Give your 6L6-powered amp the refresh it deserves! This matching pair of 6L6 power tubes produces a balanced, classic tone that is perfect for any setting.
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Mesa/Boogie NOS EL34 STR 450 Siemens Duet Tubes
Known for its bell-like tones and lush harmonics, the Mesa/Boogie NOS EL34 STR 450 comes in a paired duet that will make your amp sing!
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Mesa/Boogie KT-88 STR 488 Duet Power Tubes
Perfect for the Mesa/Boogie Prodigy and Strategy bass amps, this matching duet of KT-88 tubes produces a balanced tone that will make any amp shine.
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Electro-Harmonix 12AX7EH Preamp Tube
Electro-Harmonix gives distortion junkies all the gain they can handle without unwanted noise, thanks to a unique spiral filament in the 12AX7ED preamp tube.
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Groove Tubes GT6V6S Tubes
Whether you're refurbishing or upgrading, your amp will appreciate a set of Groove Tubes. This 6V6 matched pair exhibits lively dynamics and rich harmonics.
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Groove Tubes GT6L6S Tubes
Add some muscle to your amp with a set of GT6L6S power tubes. This medium rating set is available as a duet or quartet, and is perfect for all-around use.
Customer Kudos
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May 16, 2022
34 products
When it comes time to replace your power or preamp tubes, zZounds has a great selection of classic designs. Call our Gear Experts now for help with your purchase: 800-460-8089.