Beautiful vintage Realistic STA-90 Receiver and Nova 7B Speakers September 19, 2021 by mercury Specifications for STA-90: Power output: 45 watts per channel into 8Ω (stereo) Frequency response: 20Hz to 20kHz +/- 1dB IM Distortion 0.2% Total harmonic distortion: 0.5% Signal to noise ratio: 65dB …
