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General| Model | LBB 1946 |
|---|---|
| Manufacturer | Bosch |
| Power Supply | 24 V DC |
| Frequency Response | 20 Hz - 20 kHz |
| Total Harmonic Distortion (THD) | < 0.1% |
| Storage Temperature | -20 °C to +70 °C |
| Audio Outputs | 1 x XLR |
Read, retain, follow, and heed all safety and operating instructions and warnings.
Precautions for cleaning, placement, ventilation, water, and object avoidance.
Guidelines for power sources, grounding, cord protection, and professional servicing.
Measures for handling damage, replacement parts, and protection against lightning.
Explanation of symbols such as Warning, Caution, and Note used in the manual.
Highlights essential safety measures for the proper operation of the unit.
Detailed description of front panel controls, indicators, and connection ports.
Detailed description of rear panel controls, indicators, and connection ports.
Setting zones for triggers, alarm/time tones, and chime volume.
Configuring priority levels, single/dual channel use, and override settings.
Connecting a 24 Vdc backup power supply, such as batteries.
Connecting microphones or line-level sources to the input channels.
Connecting Plena Call Stations directly or via loop-through.
Connecting an emergency announcement or signal input with highest priority.
Connecting CD, Tape, Auxiliary, or PC audio sources for background music.
Connecting boosters for single or dual channel operation.
Details of controls, indicators, and connection methods for call stations.
Setting chime tones, priority levels, and chime volume for call stations.
Adjusting microphone sensitivity and enabling/disabling the speech filter.
Electrical, performance, input, output, and environmental data for the pre-amplifier.
Electrical, performance, environmental, and general specifications for the LBB 1941.
Electrical, performance, selections, environmental, and general specs for the LBB 1946.
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