Bosch LBB 1968 Bedienungsanleitung PDF herunterladen (Seite 10)

Plena Range | 37

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Communication

Technical Specifications

Electrical

Mains Voltage

LBB 1930/00, LBB 1935/00 230 VAC / 240 VAC, ±10%,

50 / 60 Hz

LBB 1930/50, LBB 1935/50 110 VAC, ±10%, 50 / 60 Hz

LBB 1938/00 230 VAC, ±10%, 50 / 60 Hz

Max Mains Power Consumption

LBB 1930/x0 400 VA

LBB 1935/x0 800 VA

LBB 1938/00 1600 VA

Max Mains Inrush Current

LBB 1930/00 8 A

LBB 1930/50 16 A

LBB 1935/00 9 A

LBB 1935/50 19 A

LBB 1938/00 19 A

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

Max Battery Current

LBB 1930/x0 6 A

LBB 1935/x0 11 A

LBB 1938/00 30 A

Performance

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

@ -10 dB ref. rated output)

Distortion <1%@rated output power, 1 kHz

S/N (flat at max volume)

LBB 1930/x0 >80 dB

LBB 1935/x0 >85 dB

LBB 1938/00 >90 dB

Inputs

Line input (3-pin XLR, 6.3mm phone jack, balanced)

LBB 1930/x0, LBB 1935/x0

Sensitivity 1 V

Impedance 20 kOhm

CMRR >25 dB (50 Hz - 20 kHz)

Line Input 1, 2 (3-pin XLR, balanced)

LBB 1938/00

Sensitivity 1 V

Impedance 20 kOhm

CMRR >25 dB (50 Hz - 20 kHz)

100 V Input (Screw, unbalanced)

Sensitivity 100 V

Impedance 330 kOhm

Outputs

Line Loop-through Output (3-pin XLR, 6.3mm phone jack, balanced)

LBB 1930/x0, LBB 1935/x0

Nominal Level 1 V

Impedance Direct connection to line input

Line Loop-through Output 1,2 (3-pin XLR, balanced)

LBB 1938/00

Nominal Level 1 V

Impedance Direct connection to line input

Loudspeaker Outputs (Screw, floating)

Max/rated Output Power

70 / 100 V Output LBB 1930/x0 180 W / 120 W

LBB 1935/x0 360 W / 240 W

LBB 1938/00 720 W / 480 W

8 ohm Output LBB 1930/x0 31 V (120 W)

LBB 1935/x0 44 V (240 W)

LBB 1938/00 62 V (480 W)

Output Power @ 24 V

Battery Operation -1 dB ref. rated power

Environmental

Operating Temperature -10 to +55ºC

Storage Temperature -40 to +70ºC

Relative Humidity <95%

Acoustic Noise Level of Fan

LBB 1930/x0, LBB 1935/x0 <45 dB SPL @ 1 m

LBB 1938/00 <48 dB SPL @ 1 m

Dimensions

LBB 1930/x0, LBB 1935/x0 100 x 430 x 270 mm

(19" wide, 2U high, with feet)

LBB 1938/00 145 x 430 x 370 mm

(19" wide, 3U high, with feet)

Weight

LBB 1930/x0 approx. 10.5 kg

LBB 1935/x0 approx. 12.5 kg

LBB 1938/00 approx. 25 kg

Ordering Information

Model & Description

LBB 1930/00 Plena Booster Amplifier

180 W / 120 W, 400 VA, 8 A, 31 V (120W)

LBB 1930/50 Plena Booster Amplifier

180 W / 120 W, 400 VA, 16 A, 31 V (120W)

LBB 1935/00 Plena Booster Amplifier

360 W / 240 W, 800 VA, 9 A, 44 V (240W)

LBB 1935/50 Plena Booster Amplfier

360 W / 240 W, 800 VA, 19 A, 44 V (240W)

LBB 1938/00 Plena Booster Amplifier

720 W / 480 W, 1600 VA, 19 A; 62 V (480W), 2 balanced inpts,

front panel LED, 2 separate controlled 100 V outputs

Electrical

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