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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-RK-4AB3C1CReverb Tank - Accutronics, 4AB3C1C, Long Decay, 2-Spring

Long (2 Spring) tank, long decay, 8Ω in / 2,250Ω out. Input insulated/output grounded connectors. Vertical/connectors up mounting. Compatible amps include Fender® stand alone reverb and original ’63 Reverb. Also used in Marshall™, and Ampeg™ amps.


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P-RBAG-9-AReverb Tank Bag - 9" Long, Handmade Black Tolex

Reverb tank bags give the reverb tank better isolation which results is fuller, richer reverb. Handmade of single-ply black Tolex reverb tank bags. Replacement for Fender and other amps. Bag dimensions: 4.5"W x 1.5"H x 9.5"L


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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.


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P-RMOD-4DB2C1DReverb Tank - MOD®, 4DB2C1D, Medium Decay, 2-Spring

Long (2 Spring) tank, medium decay, 250Ω in / 2,250Ω out. Input insulated/output grounded connectors. Vertical/connectors down mounting. MOD® Reverb Tanks are high quality upgrade units. Compatible amps include Marshall™ JCM800 (select models) Marshall™ Valvestate (select models). Can also be used as a replacement/upgrade for the smaller tank in Fender® FM210 and 212 models.


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P-RMOD-8FB2C1BReverb Tank - MOD®, 8FB2C1B, Medium Decay, 3-Spring

Short (3 Spring) tank, medium decay, 1,925Ω in / 2,575Ω out. Input insulated/output grounded connectors. Horizontal/open side down mounting. MOD® Reverb Tanks are high quality upgrade units.


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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).


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P-RBAG-17-CAMOReverb Tank Bag - 17 in. Long, Handmade of Camouflage Tolex
Reverb tank bags give the reverb tank better isolation which results in fuller, richer reverb as well as protection from feedback. Handmade of single-ply camouflage tolex. Replacement for Fender and other amps.
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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.


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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.


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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.


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