Bosch LBB 1968 Manual de usuario descargar pdf (Pagina 20)

Plena Range | 47

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Communication

Technical Specifications

Electrical

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

Max Power Consumption 50VA

Max Mains Inrush Current 1.5 A @ 230 VAC / 3 A @ 115

VAC

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

Max Battery Current 1A

Messages

Data Format WAV-file, 16-bit PCM, mono

Supported Sample Rates (fs) 24 kHz, 22.05 kHz, 16 kHz

12 kHz, 11.025 kHz, 8 kHz

Frequency Response

@ fs=24kHz 100 Hz – 11 kHz (+1/-3 dB)

@ fs=22.05kHz 100 Hz – 10 kHz (+1/-3 dB )

@ fs=16kHz 100 Hz – 7.3 kHz (+1/-3 dB )

@ fs=12kHz 100 Hz – 5.5 kHz (+1/-3 dB)

@ fs=11.025kHz 100 Hz – 5 kHz (+1/-3 dB)

@ fs=8kHz 100 Hz – 3.6 kHz (+1/-3 dB)

Distortion <0.1% @ 1 kHz

S/N (flat at max volume) >80 dB

Memory Capacity 64 Mbit EEPROM

Recording/Playback Time 500 s @ fs=8 kHz …

167 s @ fs=24 kHz

Number of Messages max. 12

Supervision EEPROM Continuous checksum control

Supervision DAC 1 Hz pilot tone

Data Retention Time >10 years

Inputs

Loop-through audio input 1 (3-pin XLR, balanced)

Sensitivity 1 V

Impedance 20 kOhm

CMRR >25 dB (50Hz-20kHz)

Loop-through audio input 2 (Cinch, unbalanced)

Sensitivity 1 V

Impedance 20 kOhm

Outputs

Supervision Pilot Tone 20 kHz, ±10%, level adjustable

Line Output 1 (3-pin XLR, balanced)

Nominal Level 1 V, adjustable

Impedance <100 ohm

Line Output 2 (Cinch, unbalanced)

Nominal Level 1 V, adjustable

Impedance <100 Ohm

Controls

Trigger inputs (Screw)

Activation Contact closure

Supervision On trigger inputs 1-6, selectable

Supervision Method Cable loop resistance check

Control Outputs (Screw)

Message Active Relay 100 V, 2 A (voltage free, SPDT)

Fault Relay 100 V, 2 A (voltage free, SPDT)

RS232 (9-pin D-sub)

PC to LBB1965/00 115 kb/s, N, 8, 1, 0 (upload)

LBB 1965/00 - LBB 1925/10 19.2 kb/s, N, 8, 1, 0 (zone control)

Environmental

Operating Temperature -10°C to +55ºC

Storage Temperature -40°C to +70ºC

Relative Humidity <95%

Dimensions 56 x 430 x 270 mm

(19" wide, 1U high, with feet)

Weight approx. 3 kg

Ordering Information

Model & Description

LBB 1965/00 Plena Message Manager

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 26

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Bosch LBB 1968 Manual de usuario Pagina 20

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