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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
Ω
source; 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