Shure Incorporated
13/25
Frequency Response (at 1 kHz , channel controls centered)
50 Hz to 20 kHz ± 2 dB ; −3 dB Corner at 25 kHz
Total Harmonic Distortion
<0.1% at +4 dBu out , 50 Hz to 20 kHz (through 22 Hz to 20 kHz filter; Input at 12 o'clock and Master at 12 o'clock,
all other controls full counterclockwise)
Equivalent Input Noise: (150 Ωsource; A-Weighted)
-127 dBV maximum, -129 dBV typical
Output Noise (channel controls full counterclockwise A-Weighted)
Master full counterclockwise: -101 dBV
Master full clockwise: -67 dBV
Common Mode Rejection
> 70 dBV at 1 kHz
Polarity
All inputs to all outputs are non-inverting
Input Channel Activation
Attack Time 4 ms
Hold Time 0.4 s
Decay Time 0.5 s
Off-Attenuation
13 dB
Overload and Shorting Protection
Shorting outputs, even for prolonged periods, causes no damage. Microphone inputs are not damaged by signals
up to +10 dBV (3V)
Equalization
Low-frequency 6 dB/octave cut, adjustable corner from 25 to 320 Hz
High-Frequency shelving filter, ±6 dB at 5 kHz, rising to ±8 dB at 10 kHz
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