Read our Reverb Tank Code System Explained blog to better understand how to find the right replacement for your amp! Replacement Reverb Tank for 4EB3C1B Solid, Sturdy Construction Long (16 ¾") 2 Spring Unit , Long Decay (2.75 – 4.0 seconds) Input Impedance 600 Ohms, Output Impedance 2250 O... See More