Bosch Plena LBB 1930/20
Amplifier | 120 watt (Total) | charcoal
Main Specification
| Product Description | Bosch Plena LBB 1930/20 - amplifier |
|---|---|
| Product Type | Amplifier |
| Enclosure Colour | Charcoal |
| Audio Channels | Mono |
| Audio Specifications | Amplifier - 50 - 20000 Hz - 90 dB |
| Output Power | 120 watt |
| Power | AC 230 V (50/60 Hz) |
| Dimensions (WxDxH) | 43 cm x 27 cm x 10 cm |
| Weight | 10.5 kg |
General
| Product Type | Amplifier |
|---|---|
| Enclosure Colour | Charcoal |
Audio System
| Audio Channels | Mono |
|---|---|
| Functions | Amplifier |
| Audio Specifications | Amplifier - Response Bandwidth - 50 - 20000 Hz - SNR - 90 dB |
| Output Power / Total | 120 watt |
| Features | Overload protection, cooling fan, rack mountable, 70V/100V or 8 Ohm operation |
Connections
| Connectors | 2 x balanced audio input (XLR) - rear 2 x balanced audio output (XLR) - rear Audio input (screw-type) - rear 3 x speakers output (screw-type) - rear |
|---|
Power
| Voltage Required | AC 230 V (50/60 Hz) |
|---|
Dimensions & Weight
| Width | 43 cm |
|---|---|
| Depth | 27 cm |
| Height | 10 cm |
| Weight | 10.5 kg |
Product features
Dependability
The amplifier is protected against overload and short circuits. A temperature-controlled fan ensures high reliability at high output levels and low acoustic noise at lower output levels. An overheat protection circuit switches off the power stage and activates an LED on the front panel, if the internal temperature reaches a critical limit due to poor ventilation or overload.Input
The system has two balanced inputs with priority control, each with a loop-through facility. This makes it easy to connect remote systems that require priority control. An additional 100 V line input is provided to connect the amplifier to a 100 V loudspeaker line to provide more power to remote locations. Gain or level control is located on the rear of the unit to avoid accidental setting change. A meter with LED bar shows the output level.Output
The amplifier has 70 V and 100 V outputs for constant voltage loudspeaker systems, and a low impedance output for 8 ohm loudspeaker loads.Key selling points
- 120 W power amplifier in a compact housing
- 70 V/100 V and 8 ohm outputs
- Dual inputs with priority switching
- 100 V input for slave operation on 100 V speaker line
- Temperature controlled forced front to back ventilation, directly stackable
References
MPN: F.01U.024.955
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04/06/2026 07:48:55