Accutronics 4AB3C1B Reverb Tank

RT-4AB3C1B

Original standard Fender replacement for brownface, silverface and blackface amps. Unchanged for the last 45 years, this full sized tank (17" long) with dual spring sets delivers the best authentic reverb tone.




  • I bought this to replace a 7-year-old Accutronics tank that was causing feedback when the reverb was turned up past 4. I replaced everything else first (tubes, cables connecting tank to amp), but this replacement tank solved the problem.

    reviewed by: Dominic

  • It is a great replacement for an old Kustom amp reverb unit. Worked like a charm !!

    reviewed by: Ampdoctor

Specifications:

 

  • input impedance - 8 ohm
  • output impedance - 2250 ohms
  • decay time - long (2.75 to 4.0 sec.)
  • RCA connectors - input isolated / output shield grounded to chassis
  • locking device - none
  • recommended mounting plane - horizontal, open side down