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Reverb Tank - MOD®, 4FB3A1B, Long Decay, 2-Spring

Reverb Tank - MOD®, 4FB3A1B, Long Decay, 2-Spring image 1
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Item ID: 003299
List Price: $23.50
Price: $20.92
You Save: $2.58 (11%)
In stock
Number Of Springs
2 Springs
Input Impedance
1,475 Ohm
Tank Length
Long (16.25")
Output Impedance
2,250 Ohm
  • Replaces: 4FB3A1B
  • Solid, sturdy construction
  • Type: Long (2 Spring) tank
  • Decay: long decay
  • Input: 1,475 Ω
  • Output: 2,250 Ω
  • Connectors: Input grounded/output grounded
  • Locking: No lock
  • Mounting: Horizontal/open side down

Compatible amps include Ampeg® amps (some models), Epiphone® EA-28RVT, Gibson® GA19RVT and GA20RVT, Music Man® RP and RD series, plus others.

The MOD® Reverb Tanks are high quality upgrade units. Some of the major differences between the MOD®s and other reverb tanks are that the Transducers are wired directly to their respective RCA jacks as opposed to current production tanks where Transducers are connected by a detachable plug to their respective RCA jacks. This makes the tanks less receptive to any outside interference. The original Hammond Accutronics tanks from the 1960s were also wired directly to their respective RCA jacks. In addition, very close attention has been paid to the spacing and size of the lamination of the Transducers resulting in a more vintage like tone.

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

UPC/EAN: 609722126632

RoHS Compliant

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Product Reviews

5.00 out of 5 based on 3 reviews
5 out of 5

These also work in the earlier Music Man models; I've put a couple into mid-70s HD-130 Reverb amps. I will say without reservation that these are made more solidly than the originals and introduce less hiss.

- June 20th, 2018
5 out of 5

works , and fits great , perfect replacement , and economical too.

- March 17th, 2016
5 out of 5

this was a replacement in my Zinky Blue Velvet all tube guitar amp. The part was shipped promptly, arrived sooner than predicted, and was an easy, modular install, and sounds as good than the original. Overall, a very good buying experience.

- December 23rd, 2014

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