InputImpedance: 600 OhmInductance: 23.0 MH ±10%DC Resistance: 28.0 Ohms ±10%Recommended AC Drive:3.1 MA For Approx. 3.5 ATOutputImpedance: 2250 OhmInductance: 330.0 MH ±10%DC Resistance: 220.0 Ohms ±10%Decay Time: Medium 1.75 ~ 3.0 SECConnectors: Input Insulated, Output GroundedLocking device: No LockMounting Plane: Horizontal Open Side DownPackage Included:1 piece Spring Reverb Tank.