Output Transparency for Preamp Sold Primary Impedance 20kΩ Secondary Impedance 600Ω Response 20Hz~30kHz Primary Allowable DC Current 12mA (Ambala) Secondary Maximum Output Voltage 30 Vrms W50 × H56 × D96 mm 0.74 kg/piece With original box There is dirt on some body, but it seems to be an unused item from the state of the terminals! (Yosuke Kojima)
Accessories: original box