4FB3D1B 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: Medium Decay Connection: Input Insulated / Output Insulated Locking Device: No Lock Mounting Plane: Horizontal Open Side Down
