$1,399.90

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Frequency Response (Ref .1 kHz, channel controls centered): 50 Hz to 20 kHz . ± 2 dB; -3 dB corner at 25 Hz. Total Harmonic Distortion: <0.1% at +18 dBV output level, 50 Hz to 20 kHz (through 20 Hz-20 kHz filter; Input 1 and Master at 5, all other controls full counterclockwise). Hum and Noise: Equivalent Input Noise: -125 dBV (150 ohm source; through 400 Hz_20 kHz filter); Equivalent Input Hum and Noise: -123 dBV (150 ohm source; through 20 Hz - 20 kHz filter); Output Hum and Noise (through 20 Hz to 20 kHz filter; channel controls full counterclockwise): Master full counterclockwise: -90 dBV; Master full clockwise: -70 dBV . Common Mode Rejection: >70 dB at 1 kHz. Polarity: Mic/Line, Send inputs to all outputs are non-inverting; Aux input to all outputs is inverting. Input Channel Activation: Attack Time: 4 ms; Hold Time: 0.4 s (switchable to 1.0 s); Decay Time: 0.5 s. Off-Attenuation: 15 dB (switchable to infinity). Overload and Shorting Protection: Shorting outputs,
Shure SCM810 8-Channel Automatic Microphone Mixer Standard