Bosch Lbb4428/00 Installation Amplifier 8X60W/100V

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Electrical
Mains power supply
Voltage
PRS-xPxxx-xx 115 / 230 VAC ±10%, 50/60 Hz
LBB 4428/00-xx 100 to 240 VAC ±10%, 50/60 Hz
Power consumption Pmax -3 dB* / idle** / standby
PRS-1P500-xx 353 / 39 / 15 W
PRS-2P250-xx 354 / 43 / 16 W
PRS-4P125-xx 350 / 54 / 20 W
LBB 4428/00-xx 433 / 90 / 32 W
* Alarm tone level
** With pilot tone 15 V
Battery power supply
Voltage 48 VDC -10% to +20%
Power consumption Pmax -3 dB* / idle** / standby
PRS-1P500-xx 327 / 29 / 5 W
PRS-2P250-xx 327 / 30 / 5 W
PRS-4P125-xx 332 / 39 / 10 W
LBB 4428/00-xx 397 / 63 / 22 W
* Alarm tone level
** With pilot tone 15 V
Mic/line inputs 2 x (4 x for LBB 4428/00-xx)
Connector 6-pole header for removable screw connector (mono, balanced)
Line
Frequency response -3 dB @ 50 Hz and 20 kHz (±1 dB)
S/N >87 dBA
CMRR >40 dB @ 1 kHz
Input range -6 dBV to 6 dBV
Input impedance 22 kohm
Mic
Frequency response -3 dB @ 100 Hz and 16 kHz
Nominal input level -57 dBV
S/N >62 dBA with 25 dB headroom
CMRR 40 dB at 1 kHzPRS-xPxxx-xx and LBB 4428/00-xx Power Amplifiers | 3
Mic/line inputs 2 x (4 x for LBB 4428/00-xx)
Input impedance 1360 ohm
Phantom supply 12 V ±1 V @ 15 mA
Input range -7 dBV to +8 dBV ref nominal input value
Control inputs 8 x
Connectors Removable screw terminals
Operation Closing contact (with supervision)
Control outputs 1 x per amplifier channel
Connectors Removable screw terminals
Performance
Frequency response
PRS-xPxxx-xx 60 Hz to 19 kHz (-3 dB)
LBB 4428/00-xx 80 Hz to 19 kHz (-3 dB)
S/N >85 dB (no pilot tone)
Crosstalk <80 dB at nominal load for 1 kHz
Distortion <0.3% (@ 1 kHz) @ 50% of rated output
power
Loudspeaker outputs PRS-1P500-xx
Rated load resistance 20 ohm (100 V); 10 ohm (70 V) 5 ohm
(50 V)
Rated load capacitance 250 nF (100 V); 500 nF (70 V) 1000 nF
(50 V)
Rated output power
(per channel)
500 W (1 min. at 55 °C)
250 W (30 min. at 55 °C, cont. at 30 °C)
125 W (cont. at 55 °C)
Connector 9-pole header for removable screw connector
Loudspeaker outputs PRS-2P250-xx
Rated load resistance 40 ohm (100 V); 20 ohm (70 V) 10 ohm
(50 V)
Rated load capacitance 125 nF (100 V); 250 nF (70 V) ) 500 nF
(50 V)
Rated output power
(per channel)
250 W (1 min. at 55 °C)
125 W (30 min. at 55 °C, cont. at 30 °C)
60 W (cont. at 55 °C)
Connector 9-pole header for removable screw connector
Loudspeaker outputs PRS-4P125-xx
Rated load resistance 80 ohm (100 V); 40 ohm (70 V) 20 ohm
(50 V)
Rated load capacitance 62 nF (100 V); 125 nF (70 V) ) 250 nF
(50 V)
Rated output power
(per channel)
125 W (1 min. at 55 °C)
60 W (30 min. at 55 °C, cont. at 30 °C)
30 W (cont. at 55 °C)
Connector 9-pole header for removable screw connector
Loudspeaker outputs LBB 4428/00-xx
Rated load resistance 166 ohm (100 V); 83 ohm (70 V) 42 ohm
(50 V)
Rated load capacitance 30 nF (100 V); 60 nF (70 V) ) 120 nF
(50 V)
Rated output power
(per channel)
60 W (1 min. at 55 °C)
30 W (30 min. at 55 °C, cont. at 30 °C)
15 W (cont. at 55 °C)
Connector 9-pole header for removable screw connector
Mechanical
Dimensions (H x W x D)
for tabletop use, with feet 92 x 440 x 400 mm
(3.6 x 17.3 x 15.7 in)
for 19” rack use, with brackets
88 x 483 x 400 mm
(3.5 x 19 x 15.7 in)
in front of brackets 40 mm (1.6 in)
behind brackets 360 mm (14.2 in)
Weight
PRS-1P500-xx 12.6 kg (27.78 lb)
PRS-2P250-xx 13.6 kg (29.98 lb)
PRS-4P125-xx 16.1 kg (35.49 lb)
LBB 4428/00-xx 14.5 kg (31.97 lb)
Mounting Standalone; 19”-rack
Color Charcoal with silver
Environmental
Operating temperature -5 ºC to +55 ºC (+23 ºF to +131 ºF)
Storage temperature -20 ºC to +70 ºC (-4 ºF to +158 ºF)
Relative humidity 15% to 90%
Air pressure 600 to 1100 h Pa

Anons Sistemi ÜrünleriAmplifikatör 100V
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