B&K 125.7 S2 User Manual

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R
EFERENCE
125.5 S2 & R
EFERENCE
125.7 S2 
*AV - Amplified Voltage
Power Rating: 8
Ω      125.5 / 125.7
Power Rating: 4
Ω      125.5 / 125.7
125 watts
/    125 watts 
185 watts
/    185 watts
Number of Channels
5              
/     7
Current (peak to peak)
30 Amps
/     30 amps
Dynamic Headroom
1.2 dB
/     1.2 dB
Total Harmonic Distortion (THD) 
0.09 %
Signal to Noise (S/N)
95 dB
Input Impedance
33.2 k
Ω
Damping Factor (50 Hz)
180
/     180
Frequency Response
5 Hz - 45 kHz
Slew Rate
14 V / 
µsec
Input Sensitivity RCA Unbalanced
1.0 Volt
Input Sensitivity XLR Balanced
2.0 Volts | Pin 1 = Gnd, Pin 2 = In +, Pin 3 = In -
Gain
28.3AV*  or  28dB
AC Line Voltage
120 / 220 / 240 VAC (optional / switchable)
Level Controls
No
Binding Post Maximum Wire Gauge
4 AWG
Balanced Inputs
Yes
Control Input
5 - 24 VDC
Control Output
10 - 12VDC  200mA
Dimensions in Inches
Width
(Cutout Dimensions)
Height
Depth
17.00  (17.12)
5.78  (5.90)
15.63  (16.75)
Shipping Weight  
43 lbs 
Power Consumption
1220 watts max
12.2 Amps max current draw
125 watts @ no input
Replacement Fuses
AC Line - 12 Amp / 250 Volt Slow Blow
Rails - 4 Amp / 250 Volt Time-Lag
Speakers - 4 Amp / 250 Volt Slow Blow
SPECIFICATIONS