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General| Mains Voltage | 100-240 V AC, 50/60 Hz |
|---|---|
| S/N (flat / weighted) | >90 dB (A-weighted) |
| Line Inputs | 2 x |
| Storage Temperature | +70°C |
| Power Supply | 100-240 V AC, 50/60 Hz |
Covers operational, cleaning, and handling safety instructions for the amplifier.
Addresses power sources, grounding, servicing, and protection from electrical hazards.
Explains the meaning of symbols, warnings, and notes in the manual.
Highlights critical safety warnings for operating the booster amplifier.
Provides an overview of the Plena Booster Amplifier range and their capabilities.
Details the front panel layout and functions for LBB1930/1935 and LBB1938 models.
Details rear panel controls and connections for LBB1930 and LBB1935 models.
Details rear panel controls and connections for the LBB1938 model.
Explains how to set output voltage using internal fuses for LBB1938.
Provides instructions for mounting the booster amplifier in a 19-inch rack.
Guides on connecting a 24 Vdc backup power supply or batteries.
Explains connecting line inputs and using loopthrough for chaining amplifiers.
Details priority input and control terminal usage for LBB1938 models.
Describes connecting to existing 100 V loudspeaker lines for increased output.
Guides on connecting 100 V and 70 V constant voltage loudspeakers.
Details connecting low impedance loudspeakers to the 8 Ohm output.
Provides instructions for connecting the amplifier to the mains power supply.
Explains how to switch on the amplifier and interpret status indicators.
Lists electrical specifications like mains voltage, power consumption, and battery voltage.
Details frequency response, distortion, and signal-to-noise ratio.
Summarizes input sensitivities, impedances, and output power ratings.
Covers operating temperature, humidity, EMC, noise level, dimensions, and weight.
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