Reverb Tank For Springs By Mr.Power 2Eb2C1B. Can't be used as an effect pedal between guitar and amplifier, This is a part of the internal circuit of the amplifier. Please check the parameters before purchase to confirm whether this reverberation box matches your own amp. Feature: Input Impedance: 600 Ohm Inductance: 125MH 10% DC Resistance: 75 Ohms 10% Recommended AC Drive?3.1 MA For Approx. 3.5 AT Output Impedance: 2250 Ohm Inductance: 330.0 MH 10% DC Resistance: 220.0 Ohms 10% Decay Time: Medium 1.75 ~ 3.0 SEC Connectors: Input Insulated, Output Grounded Locking device: No Lock Mounting Plane: Horizontal Open Side Down Dimension: 23.5 x 8.7 x 3.5 cm Package Included: 1 x Spring Reverb Tank. Input Impedance: 600 Ohm Output Impedance: 2250 Ohm Connectors: Input Insulated, Output Grounded Mounting Plane: Horizontal Open Side Down Can't be used as an effect pedal between guitar and amplifier, This is a part of the internal circuit of the amplifier. Please check the parameters before purchase to confirm whether this reverberation box matches your own amp.