Bosch LBB 1968 Manual de usuario descargar pdf (Pagina 6)

Plena Range | 33

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Communication

Technical Specifications

Electrical

Mains Voltage 230 VAC / 115 VAC, ±15%,

50 / 60 Hz

Max Mains Power

Consumption

25 VA

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

Max Battery Current 1A

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

Performance

Frequency Response 50 Hz – 20 kHz (+1 / -3 dB)

Distortion <0.5 %

Bass Control ±10 dB @ 100 Hz

Treble Control ±10 dB @ 10 kHz

Channel Separation >70 dB @ 1 kHz

Priority Mute >40 dB

Inputs

Mic/Line inputs 1-4 (3-pin XLR/5-pin DIN, balanced)

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 , in mic mode only

Line Inputs 1-4 (Cinch, unbalanced, stereo converted to mono)

Sensitivity 200 mV

Impedance 22 kOhm

Dynamic Range 100 dB

S/N (flat at max volume) >70 dB

S/N (flat at min volume/muted) >75 dB

Headroom >25 dB

Outputs

Direct outputs 1-4 (3-pin XLR, balanced)

Nominal Level 1 V

Impedance <100 ohm

Master Output (3-pin XLR, balanced)

Nominal Level 1 V

Impedance <100 ohm

Master Output (5-pin DIN, balanced)

Nominal Level 4 mV (microphone level)

Impedance <100 ohm

Tape Output (Cinch, 2 x mono)

Nominal Level 350 mV

Impedance <1 kOhm

Headphone Output (6.3mm jack stereo, signal mono)

Nominal Level 3 V

Impedance <100 ohm

Interconnection

Interconnection/emergency input (3-pin XLR, balanced)

Sensitivity 200 mV (interconnection),

100 mV – 1V adjustable

(emergency)

Impedance >10 kOhm

VOX Threshold 45 mV (emergency)

Interconnection Output (3-pin XLR, balanced)

Nominal Level 200 mV

Impedance <100 ohm

Relays

Priority Relay Contacts 30 V, 1 A

Emergency Relay Contacts 30 V, 1 A

DC Supply Output Voltage 24 V, 250 mA max

Environmental

Operating Temperature -10°C to +55°C

Storage Temperature -40°C to +70°C

Relative Humidity <95%

Dimensions 100 x 430 x 270 mm

(19" wide, 2U high)

Weight approx. 5 kg

19" mounting brackets included

Ordering Information

Model & Description

LBB 1920/00 Plena Universal Pre-Amplifier

1 2 3 4 5 6 7 8 9 10 11 ... 25 26

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Bosch LBB 1968 Manual de usuario Pagina 6

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