Bosch LBB 1914/10 - Page 3

LBB 190x/10 and LBB 191x/10 Plena Mixer Amplifiers | 3
Mains power supply
Mic/line input 2 x
Connector 3, 4 3-pin XLR, 6.3 mm phone jack, balanced,
with phantom power
Sensitivity 1 mV (mic); 200 mV (line)
Impedance >1 kohm (mic); >5 kohm (line)
S/N (flat at max volume) >63 dB (mic); >70 dB (line)
S/N (flat at min volume/muted) >75 dB
CMRR >40 dB (50 Hz to 20 kHz)
Headroom >25 dB
Speech filter -3 dB at 315 Hz, high-pass, 6 dB/oct
Phantom power supply 16 V via 1.2 kohm (mic)
Music input 1 x
Connector Cinch, stereo converted to mono
Sensitivity 200 mV
Impedance 22 kohm
S/N (flat at max volume) >70 dB
S/N (flat at min volume/muted) >75 dB
Headroom >25 dB
Emergency / telephone 1 x
Connector Screw terminals
Sensitivity 100 mV to 1 V, adjustable
Impedance >10 kohm
S/N (flat at max volume) >65 dB
VOX 50 mV threshold ; 150 ms attack time;
2 s release time
Loop through input 1 x
Connector Cinch
Nominal level 1 V
Impedance >10 kohm
Master line output 1 x
Connector 3-pin XLR, balanced
Nominal level 1 V
Impedance <100 ohm
Tape output 1 x
Connector Cinch, 2 x mono
Nominal level 350 mV
Impedance 1.5 kohm
Loop through output 1 x
Connector Cinch
Nominal level 1 V
Impedance <100 ohm
Loudspeaker output
70/100 V
Connector Screw, floating
Power Max / rated
LBB 1903/10 45 / 30 W
Mains power supply
LBB 1906/10 90 / 60 W
LBB 1912/10, LBB 1914/10 180 / 120 W
Loudspeaker output 8 ohm
Connector Screw, floating
Power
LBB 1903/10 16 V (30 W)
LBB 1906/10 22 V (60 W)
LBB 1912/10, LBB 1914/10 31 V (120 W)
Power reduction on 24 V 1 dB
Power consumption
Mains operation max
LBB 1903/10 100 VA
LBB 1906/10 200 VA
LBB 1912/10, LBB 1914/10 400 VA
24 V operation max
LBB 1903/10 1.6 A
LBB 1906/10 3 A
LBB 1912/10, LBB 1914/10 6 A
Mechanical
Dimensions (H x W x D) 100 x 430 x 270 mm
(19" wide, 2U high)
Weight
LBB 1903/10 Approx. 5 kg
LBB 1906/10 Approx. 8.5 kg
LBB 1912/10, LBB 1914/10 Approx. 10.5 kg
Mounting Standalone, 19" rack
Color Charcoal
Environmental
Operating temperature -10 ºC to +45 ºC (+14 ºF to +113 ºF)
Storage temperature -40 ºC to +70 ºC (-40 ºF to +158 ºF)
Relative humidity <95%
Acoustic noise level of fan <48 dB SPL at 1 m (max output)
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