4FB3A1B Mojotone reverb tanks are used in Music Man RP and RD Series (65 and 130W), Ampeg solid state amps, Selmer Thunderbird Twin 50 amplifiers.
Size: Long Number of Springs: 2 Springs Input Impedance: 1475 Ohm Output Impedance: 2250 Ohm Decay Time: Long Decay Connection: Input Grounded / Output Grounded Locking Device: No Lock Mounting Plane: Horizontal Open Side Down
