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Groove Tubes GT6L6S Duet Tubes Medium Rating
$94.99A 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 Reverb®, Tremolux™, Tw...4 Payments of $23.75
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Hosa SK-GXMD CAIG Vacuum Tube Survival Kit
$46.99CAIG's vacuum tube survival kit is designed to extract maximum performance from your tube audio gear while increasing longevity. The combination of cleaning power from DeoxIT D25 and protection from DeoxIT Gold GX h...h m s
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Mesa Boogie 12AT7 Premium Preamp Tube Single
$29.00The 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) a...h m s
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Mesa Boogie EL-34 STR 446 Amp Duet Tubes
$99.00The MESA EL-34 STR 446 is a premium quality EL-34 in the classic style and sound. They have nice harmonic reach, layering and complexity in the top end and a bit more fullness mids and richness in the low end when c...6 Payments of $16.50
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Mesa/Boogie EL34 STR 447 Duet Power Tubes
$99.00The 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 – urgent and...6 Payments of $16.50
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Mesa/Boogie KT88 STR 488 Duet Power Tubes
$187.00The 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 balanc...6 Payments of $31.17
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Orange Valve Tester MKII Expansion Module A - 6SN7
$249.00The Expansion Module is an optional accessory (purchased separately) to provide testing and evaluation for a valve not included in the many valves already covered by the Orange Valve Tester MKII. Â Examples of...6 Payments of $41.50
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Orange Valve Tester MKII Expansion Module B - GZ34
$249.00Expansion Modules Available The Orange Valve Tester MKII’s new optional expansion modules will be particularly appealing to Hi-Fi enthusiasts. It allows the testing of directly heated valves such as the 300B and...6 Payments of $41.50
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Orange Valve Tester MKII Expansion Module C - EF86
$249.00The Expansion Module is an optional accessory (purchased separately) to provide testing and evaluation for a valve not included in the many valves already covered by the Orange Valve Tester MKII. Â Examples of...6 Payments of $41.50
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Orange Valve Tester MKII Expansion Module D - EZ80
$249.00The Expansion Module is an optional accessory to provide testing and evaluation for a valve not included in the many valves already covered by the Orange Valve Tester MKII.  The Orange Valve Tester MKII’s new...6 Payments of $41.50
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Orange Valve Tester MKII Expansion Module E - 300B
$249.00The Expansion Module is an optional accessory (purchased separately) to provide testing and evaluation for a valve not included in the many valves already covered by the Orange Valve Tester MKII. Â Examples of...6 Payments of $41.50
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Orange VTMKII Desk Mounting Bracket
$49.99Valve Tester MKII Bracket for mounting on surface...4 Payments of $12.50
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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.