Bosch LBB 1968 Manual de usuario descargar pdf (Pagina 3)

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Communication

Technical Specifications

Electrical

Mains Voltage 115 Vac/230 VAC,

±10%, 50/60 Hz

Max mains power consumption

LBB 1903 /10 100 VA

LBB 1906/10 200 VA

LBB 1912/10, LBB 1914/10 400 VA

Max mains inrush current

LBB 1903/10 4.5 A/9 A (230 Vac/115 VAC)

LBB 1906/10 5 A/10 A (230 Vac/115 VAC)

LBB 1912/10, LBB 1914/10 8 A/16 A (230 Vac/115 VAC)

Battery Voltage 24 VDC, +20%/-10%

Max battery 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 – 20 kHz (+1/-3 dB,

@ -10 dB ref. rated output)

Distortion <1% @ rated output power,

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 (50Hz-20kHz)

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 3,4 (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)

Dynamic Range 100 dB

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,

6dB/oct

Phantom Power Supply 16 V via 1.2 kOhm (microp hone )

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

Outputs

Master Output (3-pin XLR, balanced)

Nominal Level 1 V

Impedance <100 ohm

Tape Output (Cinch, 2 x mono)

Nominal Level 350 mV

Impedance 1.5 kOhm

Interconnection (Cinch)

Nominal Level 1 V

Impedance <100 ohm

Loudspeaker outputs (Screw, floating)

Max / rated output power 70 / 100 V

LBB 1903/10 45 W / 30 W

LBB 1906/10 90 W / 60 W

LBB 1912/10, LBB1914/10 180 W / 120 W

8 Ohm Output

LBB 1903 /10 16 V (30 W)

LBB 1906/10 22 V (60 W)

LBB 1912/10, LBB 1914/10 31 V (120 W)

Output power @ 24 V battery -1 dB ref. rated power

Environmental

Operating Temperature -10°C to +45ºC

Storage Temperature -40°C to +70ºC

Relative Humidity <95%

Acoustic Noise Level of Fan <40 dB SPL @ 1m

(LBB1912/10 & LB B1914/10)

Dimensions

(WxH)

100 x 430 x 270 mm

(19", 2U )

Weight

LBB 1903/10 approx. 5 kg

LBB 1906/10 approx. 8.5 kg

LBB 1912/10, LBB 1914/10 approx. 10.5 kg

19" Mounting Brackets LBC 1901/00

to be ordered separately

Electrical

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