Bosch LBB1925/10 Plena 6 Zone Pre-Amplifier - Each
Rs. 79,475.00
About this item
- Six-zone system pre-amplifier, with single or dual channel operation
- Two input channels for call stations
- Universal input for microphone/line, with speech optimized tone control
- Three inputs for BGM selection and music optimized tone control
- Front panel zone selection for BGM and call station zone selection for calls
- PC and trigger inputs for automated calls, alarm tones and chimes to selected zones
- Frequency response ; 50 Hz to 20 kHz (+1 / -3 dB)
- Distortion : <0.5%
- Bass control : ±10 dB @ 100 Hz
- Treble control : ±10 dB @ 10 kHz
- Channel separation : >70 dB @ 1 kHz
- Priority mute : >40 dB
- Dynamic range : 100 dB
- Mic/line input : 1x
- Connectors : 5‐pin DIN, 3‐pin XLR, balanced, with phantom power
- Sensitivity : 1 mV (mic), 200 mV (line)
- Impedance : >1 kohm (mic); >5 kohm (line)
- S/N (flat at max volume) : >63 dB (mic); >70 dB (line)
- S/N (flat at min volme/muted) : >75 dB
- CMRR : >40 dB (50 Hz – 20 kHz)
- Headroom : >25 dB
- Speech filter : -3 dB @ 315 Hz, high-pass, 6 dB/oct
- Dimensions (H x W x D) (mm) 100 x 430 x 270 mm
- Operating temperature (°C) -10 – 55 °C
- Weight (kg) 5 kg
