Vintage Technics integrated amplifier model SU-Z980-KM (c. 1988). 85 watts per channel into 8 ohms (stereo). Features magnetic phono, tuner, CD, tape inputs, and 2 tape input/output. In addition, the amplifier has removable links on the rear to allow for pre-amplifier output to another power amp, or another pre-amplifier to use this unit's power amplifier. One switched and one unswitched auxiliary outlet. Main and Remote speaker channels. No remote control.

Listed specs at manufacture:
Response: 10Hz to 60kHz
THS: 0.09%
Damping Factor: 35
Input Sensitivity: 2.5mV (MM), 150mV (line)
SNR: 78dB (MM), 90dB (line)
Channel Separation: 50dB (line)
Output: 150mV (line)
Speaker Load Impedance: 8 to 16 ohms