30
MIXER AMPLIFIER
Electrical
Mains voltage 230/115 Vac, ±10%, 50/60 Hz
Max mains power consumption
LBB1903/10 100 VA
LBB1906/10 200 VA
LBB1912/10, LBB1914/10 400 VA
Max mains inrush current
LBB1903/10 4.5 A/9 A (230/115 Vac)
LBB1906/10 5 A/10 A (230/115 Vac)
LBB1912/10, LBB1914/10 8 A/16 A (230/115 Vac)
Battery voltage 24 Vdc, +20%/-10%
Max battery current
LBB1903/10 1.6 A
LBB1906/10 3 A
LBB1912/10, LBB1914/10 6 A
Performance
Frequency response 50 Hz – 20 kHz (+1/-3 dB @ -10 dB ref. rated output)
Distortion < 1% @ rated output, 1 kHz
Bass control -8/+8 dB @ 100 Hz
Treble control -8/+8 dB @ 10 kHz
Inputs
Input 1 (5-pin DIN, balanced with phantom power, 6.3 mm phone jack)
Input 2 (3-pin XLR, balanced with phantom power, 6.3 mm phone jack)
Sensitivity 1 mV
Impedance > 1 kOhm
S/N (flat at max volume) 63 dB
S/N (flat at min volume/muted) > 75 dB
CMRR > 40 dB (50 Hz – 20 kHz)
Headroom > 25 dB
Speech filter -3 dB @ 315 Hz, high-pass, 6 dB/oct
Phantom power supply 16 V via 1.2 kOhm
VOX (input 1 only) attack time 150 ms
release time 2 s
Input 3 and 4 (3-pin XLR, balanced with phantom power, 6.3 mm phone jack)
Sensitivity 1 mV (microphone), 200 mV (line)
Impedance > 1 kOhm (microphone)
> 5 kOhm (line)
S/N (flat at max volume) 63 dB (microphone), 70 dB (line)
S/N (flat at min volume/muted) 75 dB
CMRR > 40 dB (50 Hz – 20 kHz)
Headroom > 25 dB
Speech filter -3 dB @ 315 Hz, high-pass, 6 dB/oct
Phantom power supply 16 V via 1.2 kOhm (microphone)
Music input (Cinch, stereo converted to mono)
Sensitivity 200 mV
Impedance 22 kOhm
S/N (flat at max volume) > 70 dB
S/N (flat at min volume/muted) > 75 dB
Headroom > 25 dB
Emergency / telephone (Screw, balanced)
Sensitivity 100 mV - 1 V adjustable
Impedance > 10 kOhm
VOX threshold 50 mV
attack time 150 ms
release time 2 s
S/N (flat at max volume) > 65 dB
Interconnection (Cinch)
Nominal level 1 V
Impedance > 10 kOhm
en
Technical data
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