Reverb Tank - Accutronics, 4EB3C1B, Long Decay, 2-Spring
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.
SKU:
P-RK-4EB3C1B
Item ID:
003284
UPC/EAN:
609722126724
Accu-Bell Sound Part Number:
4EB3C1B
Brand:
Accutronics
Connector Type:
Decay Time:
Mounting Plane:
Number Of Springs:
Tank Length:
Type:
| Connectors | input insulated, output grounded | |
| Decay Time | long (2.75 to 4.0 s) | |
| Input Impedance | 600 Ω | |
| Mounting Plane | horizontal, open side down | |
| Output Impedance (Zout) | 2.25 kΩ | |
| Springs | 2 |
| Packaging Dimensions | 17 in. × 5 in. × 3 in. | |
| Weight (Packaging) | 1.75 lbs. |
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Questions and Answers
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1 answers
Need confirmation of Input/Output connections from my Hot Rod Deluxe amp to your 4EB3C1B reverb tank. Unpowered amp DC resistance readings from my two amp connectors to ground are: Red - 4.70k ohms; Black - 99.9k ohms. Please confirm the Input and Output connectors. Thank You,
Asked by Anonymous on December 8th, 2017.
December 8th, 2017
Staff Member
This tank has an input impedance 600 Ohms and an output impedance 2250 Ohms.
1 answers
Hi, my Boogie .22 Caliber+ combo amp may need a new reverb tank. Mine is Accutronics #8AB2A1B. Please reply before I order so I'm headed in the right direction.
My reverb got weak first & then died. Changed the 12AX7 V4 per Mesa's owner's manual but no fix. Next removed the tank to test resistance. I'm a rookie at this, so let me list here what the K-ohm readings were on metter: Output cable resistance is .205 (I assume 200 ohms) with test leads across output jack pos/neg. Kept one test lead on the tank Output cable shield, and put other test lead on the tank Input center conductor--and the meter read 255-260. I assume that's 255,000-260,000 ohms through the tank circuit. That appears WAY high if I understand right what I've read online.
Thanks for reading my trouble-shoot and letting me know if the resistances clearly call for a new Series 8 tank from you. If so I'll order with you. Thanks VERY much! Robert
Asked by Anonymous on June 22nd, 2019.
June 24th, 2019
Staff Member
We would advise replacing the tank with the same unit that was originally in it. We do offer 8AB2A1B tanks: https://www.tubesandmore.com/search/node/8AB2A1B
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Product Reviews
Got this tank to replace the original tank in a late 90s Peavey Classic 50 212. It installs easily and sounds much better than the original tank. The decay is long and thick, albeit a bit flubby, but that might be due to Peavey’s reverb circuit. Still, much better than the original tank.
Direct replacement for my Fender HR Dlx —works like a charm.
This reverb tank arrived in excellent condition. It was well packaged and shipping was fast. The tank was installed and works perfectly in my amp (Traynor YCV20WR). Quality of the tank is excellent. Thanks for selling a great product.
Very happy with my reverb tank. Well packed, smooth transaction; all very professional, and quickly delivered. Thanks. I know where to come in the future when I need electronic parts.
Great service
Works great
This unit is a huge upgrade from the Fender version it replaced; much higher quality.