B&K EX442 Sonata 2 channel power amplifier specifications:
Power rating @ 8 Ω 200W
Power rating @ 4 Ω 350W
Amperage (p-p) 75A
Dynamic head room 1.2dB
Frequency response 1-45kHz
Dampening factor (50Hz) 450
Input sensitivity - Unbalanced (RCA) 1.65V
Input impedance 24kΩ
IM distortion 0.09%
THD Rating 0.09%
Slew Rate 14v/µs
S/N (A Weighted) 95dB
Production Run 1990-93