Outputs; Interconnection; Relays; Environmental Conditions - Bosch LBB 1920 Installation And Operating Manual

Plena Universal Pre-amplifier | Installation and Operating Manual |

6.4 Outputs

Direct outputs 1-4 (3-pin XLR, balanced)
Nominal level
Impedance
Master output (3-pin XLR, balanced)
Nominal level
Impedance
Master output (5-pin DIN, balanced)
Nominal level
Impedance
Tape output (Cinch, 2x mono)
Nominal level
Impedance
Headphone output (6.3 mm jack stereo, signal mono)
Nominal level
Impedance

6.5 Interconnection

Interconnection/emergency input (3-pin XLR, balanced)
Sensitivity
Impedance
VOX threshold
Interconnection output (3-pin XLR, balanced)
Nominal level
Impedance

6.6 Relays

Priority relay contacts
Emergency relay contacts
DC supply output voltage

6.7 Environmental conditions

Operating temperature range
Storage temperature range
Relative humidity

6.8 General

EMC emission
EMC immunity
Dimensions
Weight
Bosch Security Systems | 2003-09 | 3922 988 99482en
Technical data
1 V
<100 Ohm
1 V
<100 Ohm
4 mV (microphone level)
<100 Ohm
350 mV
<1 kOhm
3 V
<100 Ohm
200 mV (interconnection)
100 mV - 1 V adjustable (emergency)
>10 kOhm
45 mV (emergency)
200 mV
<100 Ohm
30 V, 1 A
30 V, 1 A
24 V, 250 mA max
-10 to +55 °C
-40 to +70 °C
<95 %
acc. to EN 55103-1
acc. to EN 55103-2
100 x 430 x 270 mm (19" wide, 2U high)
approx. 5 kg
en | 18