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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-RBTDR-2V-XReverb Module - Accutronics, Digi-Log, vertical mount, mini

A great digital reverb sound that easily replaces a spring reverberation unit. Stereo outputs may be summed for mono operation. Simple interface requires only input, output, +5V, and ground.


$14.95
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P-RBL3AB3C1BReverb Tank - Belton, 9AB3C1B, Long Decay, 3-Spring

Long (3 Spring) tank, long decay, 10Ω in / 2,575Ω out. Input insulated/output grounded connectors. Horizontal/open side down mounting. Compatible amps include select Fender®, Hughes & Kettner, Marshall™, Ampeg, Crate, Mesa Boogie, Guytron, Rocktron, DOD, Summit Audio, and Smokey amp models, plus others .


$20.95
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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-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-4FB3A1AReverb Tank - MOD®, 4FB3A1A, Long Decay, 2-Spring

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


$23.50
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P-RMOD-9EB3C1BReverb Tank - MOD®, 9EB3C1B, Long Decay, 3-Spring

Long (3 Spring) tank, long decay, 800Ω in / 2,575Ω out. Input insulated/output grounded connectors. Horizontal/open side down mounting. MOD® Reverb Tanks are high quality upgrade units.


$25.98
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P-RMOD-8BB3C1BReverb Tank - MOD®, 8BB3C1B, Long Decay, 3-Spring

Short (3 Spring) tank, long decay, 190Ω 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 Fender Harvard Reverb II and Yale Reverb amps (short tank).


$22.26
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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-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-RTAD-4EB3C1BReverb Tank - Tube Amp Doctor, 4EB3C1B, Long Decay, 2-Spring
  • Replaces: 4EB3C1B
  • Solid, sturdy construction
  • Type: Long (2 Spring) tank
  • Decay: long decay
  • Input: 600 Ω
  • Output: 2,250 Ω
  • Connectors: Input insulated/output grounded
  • Locking: No lock
  • Mounting: Horizontal/open side down


Compatible amps include Fender® Hot Rod Deville, Hot Rod Deluxe, Blues Deluxe (reissue only), Blues Deville (reissue only). Replaces Fender® Part Number 0050394000. Also, fits Traynor™ YCV50 as well as some Music Man™ and Peavey™ models. Suitable upgrade/ replacement for the Vox™ AC30CC series amp.



"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



Questions about reverb tanks? See our tech articles for more information.


$29.95
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