Bosch LBB 1968 Manual de usuario descargar pdf (Pagina 24)

Plena Range | 51

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Communication

Technical Specifications

Electrical

Mains Voltage 230/115 VAC, ±10%, 50/60 Hz

Max Power Consumption 400 VA

Max/Rated Output Power 180 W / 120 W

Max Mains Inrush Current 8A @ 230 VAC / 16A @ 115 VAC

Performance

Frequency Response 60 Hz – 18 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)

Sensitivity 1 mV

Impedance >1 kOhm

S/N (flat at max volume) 63 dB

S/N (flat at min volume/

muted)

75 dB

Headroom 25 dB

Speech Filter -3 dB @ 315 Hz, high-pass,

6 dB / oct

Phantom Power Supply 12 V (5-pin DIN)

VOX

(on 6.3mm phone jack)

trigger level 0.4 mV

attack time 200 ms

release time 2 s

ducking level adjustable

Input 2,3 (3-pin XLR, balanced with phantom power)

Sensitivity 1m V

Impedance >1 kOhm

S/N (flat at max volume) 63 dB

S/N (flat at min volume/

muted)

75 Db

Headroom 25 dB

Phantom Power Supply 12 V

Auxiliary 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

Tuner

Tuning Range FM 87.5 - 108 MHz(EUROPE, 50 kHz)

87.5 - 108 MHz(ASIA / USA, 100 kHz)

AM 531 - 1602 kHz(EUROPE, 9 kHz)

530 - 1610 kHz(ASIA / USA, 10 kHz)

Sensitivity

FM 2 µV (26 dB S/N)

AM 30 µV (20 dB S/N)

Performance

Frequency Response 30 Hz - 15 kHz (+1/-3 dB, FM)

Distortion <1%

S/N >63 dB (1 mV, FM)

CD-Player

Audio CD

Frequency Response 20 Hz - 20 kHz (+1/-3 dB)

Distortion <0.1%

S/N >80 dB

MP3 CD/CD-R

Supported Bit Rates CBR 32 kbps - 320 kbps and VBR,

mono and stereo

General

Data Buffer 8 MB (shock protection)

Lifetime >10.000 CD play cycles

Memory for Track

Selection

999 (MP3), 99 (audio CD)

Outputs

Tape output (Cinch, 2x mono)

Nominal Level 350 mV

Impedance 1 kOhm

Loudspeaker Outputs (Screw, floating)

100 V Outputs 120 W rated (all zones together)

Zone Output Attenuation

Taps

100/70/50/35/25/18 V for 0/-3/-6/-9/-

12/-15 dB (120/60/30/15/8/4 W)

8 Ohm Outputs 18 V (40 W rated per zone)

Call Active Relay (Screw)

Contacts voltage free, max 100 V, 2 A

Environmental

Operating Temperature +5°C to +45°C

Storage Temperature -25°C to +55°C

Relative Humidity <95%

Acoustic Noise Level Of

Fan

<35 dB SPL @ 1m,

temperature controlled

Dimensions 144 x 430 x 320 mm

(19" wide, 3U high)

Weight approx. 11.6 kg

Rack building not recommended

Ordering Information

Model & Description

LBB 1970/00 Plena BGM/Paging System

Electrical

1 2 ... 19 20 21 22 23 24 25 26

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Bosch LBB 1968 Manual de usuario Pagina 24

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