Threshold Audio SA-3
Stereo Power Amplifier (1984-88)
Power output: 50 watts per channel into 8Ω (stereo)
Frequency response: 7Hz to 100kHz
Total harmonic distortion: 0.05%
Gain: 26.6 dB
Signal to noise ratio: 100dB
Semiconductors: 14 x transistors per channel (output)
Dimensions: 8.72 x 19 x 13.125 inches
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Reviewed Feb 03rd, 2013 by hkcowboy
near 30 years old machine still good working in my home.