Reverb Tank - Accutronics, 4EB3C1B, Long Decay, 2-Spring

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Reverb Tank - Accutronics, 4EB3C1B, Long Decay, 2-Spring

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The industry standard for years, the Type 4 is still manufactured today using Hammond’s original design. Counter-wound and coupled springs deliver superior mechanical performance and the classic sound that helped make the Fender Twin Reverb Amps famous.

  • 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.

New production Accutronics tank.

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

Item ID:
Accu-Bell Sound Part Number:
Number Of Springs:
Tank Length:
Product Measurements by Type
Connectorsinput insulated, output grounded
Decay Timelong (2.75 to 4.0 s)
Input Impedance600 Ω
Mounting Planehorizontal, open side down
Output Impedance (Zout)2.25 kΩ
Packaging Information
Packaging Dimensions17 in. × 5 in. × 3 in.
Weight (Packaging)1.75 lbs.

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Questions and Answers

Click each question to see its answers.
Asked by Anonymous on November 29th, 2016.
Matt H
December 2nd, 2016
We simply do not have the resources or reference materials to determine if this will work with your amp.
Asked by Anonymous on August 30th, 2017.
Matt H
August 30th, 2017
This tank is 16.75" in length and might be too long for your amp. Also, the mounting plane is different on these two tanks. Contact us directly and we can help you find the right tank. We can be reached at: 480-296-0890 or [email protected]
Asked by Anonymous on December 3rd, 2017.
Matt H
December 8th, 2017
This tank has an input impedance 600 Ohms and an output impedance 2250 Ohms.
Asked by Anonymous on August 25th, 2019.
August 27th, 2019
Staff Member
The stock tank in a Peavey Classic 30 is a 4EB2C1B, so a three spring version of that tank would be a 9EB2C1B.
Asked by Anonymous on October 18th, 2020.
October 20th, 2020
Staff Member
These tanks are brand new and completely unused. They do not come in any packaging. They are made in Korea.
Asked by Anonymous on January 17th, 2023.
January 17th, 2023
Staff Member
This unit has two RCA jacks: One for input, one for output.

Product Reviews

5.00 out of 5 based on 3 reviews
CBB - March 22nd, 2023
5 out of 5

The reverb tank came in the mail. I installed it in a Fender Hot Rod Deluxe. It sounds great!!

Ed K - May 1st, 2018
5 out of 5

Perfect replacement part for a Fender Hot Rod Deluxe!! Factory original part..

Dimon67 - June 4th, 2014
5 out of 5

I've bought Accutronics 4EB3C1B as a replacement for my Hot Rod Deluxe. Original had died after couple of years. Interestingly, I like this one better. It gives even more real spring reverberation
(I love a lot of it). And the actual sound is good. Considering the price.... Do the math.

Thank you Accutronics for quality, and thank you for price + service.