Threshold Audio 4000
Stereo Power Amplifier (1979)
Power output: 200 watts per channel into 8Ω (stereo), 700W (mono)
Frequency response: 20Hz to 20kHz
Total harmonic distortion: 0.05%
Damping factor: 300
Gain: 27 dB
Dimensions: 19 x 6.94 x 17.25 inches
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