Bosch LBB 1906/10 - Controls and Indicators; Front Panel Controls and Indicators; Rear Panel Controls and Connections; Certifications and Approvals

2 | LBB 190x/10 and LBB 191x/10 Plena Mixer Amplifiers
Controls and indicators
Front
•
LED power meter
•
Power on LED
•
Master volume control knob
•
Four volume control knobs for mic inputs
•
Three knobs for BGM volume, treble, and bass levels
•
BGM source selection knob
•
On/off switch
•
Two zone selection buttons (LBB1914/10 only)
Back
•
EMG input volume control
•
Two mic/line switches
•
Chime on/off switch
•
Mains voltage switch
Interconnections
Front
•
Headphone jack
Back
•
Priority mic input (DIN/6.3 mm jack)
•
Mic input (XLR/6.3 mm jack)
•
Two mic/line inputs (XLR/6.3 mm jack)
•
Three audio inputs (2 x cinch)
•
EMG input (screw)
•
Line output (XLR)
•
Tape output (2 x cinch)
•
Insertion input/output (2 x cinch)
•
24 VDC input
•
Three (five for the LBB 1914/10) loudspeaker outputs
(screw)
Certifications and Approvals
Region Certification
Europe CE Declaration of Conformity
Safety acc. to EN 60065
Immunity acc. to EN 55103-2
Emission acc. to EN 55103-1
Installation/Configuration Notes
LBB 190x/10 and LBB 191x/10 rear view
Parts Included
Quantity Components
1 LBB 190x/10 Plena Mixer Amplifier
or
LBB 191x/10 Plena Mixer Amplifier
1 Power cord
1 Set of 19” mounting brackets
1 Installation and User Instructions
Technical Specifications
Electrical
Mains power supply
Voltage 230/115 VAC, ±10%, 50/60 Hz
Inrush current
LBB 1903/10 4.5 / 9 A (230 / 115 VAC)
LBB 1906/10 5 A / 10 A (230 / 115 VAC)
LBB 1912/10, LBB 1914/10 8 / 16 A (230 / 115 VAC)
Battery power supply
Voltage 24 VDC, +15% / -15%
Current
LBB 1903/10 1.6 A
LBB 1906/10 3 A
LBB 1912/10, LBB 1914/10 6 A
Performance
Frequency response 50 Hz to 20 kHz (+1 / -3 dB at -10 dB ref.
rated output)
Distortion <1% at rated output power, 1 kHz
Bass control -8 / +8 dB at 100 Hz
Treble control -8 / +8 dB at 10 kHz
Dynamic range 100 dB
Mic input 2 x
Connector 1 5-pin DIN, 6.3 mm phone jack, balanced,
with phantom power
Connector 2 3-pin XLR, 6.3 mm phone jack, balanced,
with phantom power
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 (50Hz-20kHz)
Headroom >25 dB
Speech filter -3 dB at 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