Beautiful tuner and amplifier by The Studio Standard (Fisher) in very good condition. Plays truly great and has nice meters in the amplifier and a beautiful scale on the tuner. Truly beautiful and pretty powerful and dynamic. Nice set and very good optical and technical condition which are rarely offered. Idle Current ICCO VCC = ± 34V 20 40 120 mA Power Out PO THD = 0.1%,f = 20Hz to 20kHz 30 watt x 2 VCC = ±25V, THD = 0.2%, RL = 4Ω 40 – – W Total Harmonic Distortion THD PO = 1.0W – – 0.1 % Breakpoints fL, fH PO = 1.0W 10 to 100k Hz Source Impedance ri PO = 1.0W – 32 – kΩ Input Noise Voltage VNO VCC = ±34V – – 1.2 mVrms Transient Noise Voltage VN VCC = ±34V –70 0 70 mV