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Reverb Tanks

Spring reverb tanks are used to create a unique reverberation effect in guitar amps and organs. The reverberation effect is created when an audio signal created by a transducer is sent through one or more springs, the movement of the springs is then converted back into an audio signal by another transducer at the other end, creating the unique sound. Not sure which tank you're looking for or what a 4AB3C1B is? Check out our spring reverb calculator to help you determine what these tank designations mean!

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P-RMOD-8BB2C1AReverb Tank - MOD®, 8BB2C1A, Medium Decay, 3-Spring

Short (3 Spring) tank, medium decay, 190Ω in / 2,575Ω out. Input insulated/output grounded connectors. Horizontal/open side up mounting. MOD® Reverb Tanks are high quality upgrade units. Compatible amps include Crate® BV120H Blue Voodoo, select Epiphone® and Gibson® models, plus others .


$22.26
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P-RMOD-4FB3D1BReverb Tank - MOD®, 4FB3D1B, Long Decay, 2-Spring

Long (2 Spring) tank, long decay, 1,475Ω in / 2,250Ω out. Input insulated/output insulated connectors. Horizontal/open side down mounting. MOD® Reverb Tanks are high quality upgrade units.


$23.50
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P-RTAD-4AB3C1BReverb Tank - Tube Amp Doctor, 4AB3C1B, Long Decay, 2-Spring
  • Replaces: 4AB3C1B
  • Solid, sturdy construction
  • Type: Long (2 Spring) tank
  • Decay: long decay
  • Input: 8 Ω
  • Output: 2,250 Ω
  • Connectors: Input insulated/output grounded
  • Locking: No lock
  • Mounting: Horizontal/open side down


"TAD redefines Spring Reverberation. When the manufacturing of Accutronics Reverb cans in the USA has been announced to close down in 2008 TAD started the research for an own high quality production of the classic spring reverberation units. The goal was to create a drop-in replacement bringing back that stunning reverb sound that Fender made so popular since the early 1960s.



The TAD Reverb Cans achieve this goal and even more: deep and smooth reverb, no fluttering but wide frequency response with airy top end instantly inspiring to enjoy guitar playing. The rock solid mechanical design assures a very dependable and consistent quality performance exceeding any expectation. A drop-in replacement and upgrade as well for vintage as for modern reverb cans by size, performance and tone."



-Tube Amp Doctor


$29.95
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P-RMOD-8AB1A1BReverb Tank - MOD®, 8AB1A1B, Short Decay, 3-Spring

Short (3 Spring) tank, short decay, 10Ω in / 2,575Ω out. Input grounded/output grounded connectors. Horizontal/open side down mounting. MOD® Reverb Tanks are high quality upgrade units.


$22.26
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P-RBTDR-1H-XReverb Module - Accutronics Belton, Digi-Log, horizontal mount

A great digital reverb sound that easily replaces a spring reverberation unit. Simple interface requires only input, output, +5V, and ground. Output requires no external capacitors.


Starting at $12.95
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P-RAMC2EF3Reverb Tank - Accutronics, AMC2EF3, Long Decay, 2-Spring

Accutronics mini-size spring reverb tank. Long decay, 2-spring, 600Ω input impedance, 1500Ω output impedance. 4.88" x 1.73" mounting centers.


$9.00
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P-RK-9BB2C1BReverb Tank - Accutronics, 9BB2C1B, Medium Decay, 3-Spring

Long (3 Spring) tank, medium decay, 190Ω in / 2,575Ω out. Input insulated/output grounded connectors. Horizontal/open side down mounting.


$26.95
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P-RK-1AB2B1BReverb Tank - Accutronics, 1AB2B1B, Medium Decay, 2-Spring

Short (2 Spring) tank, medium decay, 8Ω in / 2,250Ω out. Input grounded/output insulated connectors. Horizontal/open side down mounting.


$22.95
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P-RK-4AB3C1AReverb Tank - Accutronics, 4AB3C1A, Long Decay, 2-Spring

Long (2 Spring) tank, long decay, 8Ω in / 2,250Ω out. Input insulated/output grounded connectors. Horizontal/open side up mounting.


$23.95
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P-RMOD-9AB1C1BReverb Tank - MOD®, 9AB1C1B, Short Decay, 3-Spring

Long (3 Spring) tank, short decay, 10Ω in / 2,575Ω out. Input insulated/output grounded connectors. Horizontal/open side down mounting. MOD® Reverb Tanks are high quality upgrade units. Compatible amps include Epiphone® So-Cal, select Diezel® models, plus others .


$25.98
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