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Home » BOSCH/PA » Bosch Plena » LBB1938/30
BOSCH/PA LBB1938/30
Features:
EN 54-16 Certified Plena Power Amplifier 480W 100V


The LBB 1938/30 is a powerful 480 W power amplifier in a 3U high 19”case for rack mounting or tabletop use. LEDs on the front panel show the status of the amplifier: power, audio output level, and supervised functions.

Features:

480 W power amplifier in a 3U high 19”housing
70 V / 100 V and 8 ohm outputs
Dual inputs with priority switching
100 V input for slave operation on 100 V speaker line


Technical Specifications:

Mains power supply
Voltage 230 VAC, ±10%, 50/60 Hz
Inrush current 19 A
Max power consumption 2200 VA

Battery power supply
Voltage 24 VDC +15% / -15%
Current max 30 A

Output power (RMS/Maximum) 480 / 720 W
Power reduction on backup power: -1 dB
Frequency response 50 Hz to 20 kHz (+1 / -3 dB at -10 dB ref. rated output)
Distortion <1% at rated output power, 1 kHz
S/N (flat at max volume) >90 dB

Line inputs 2 x
Connector 3-pin XLR, balanced
Sensitivity 1 V
Impedance 20 kOhm
CMRR >25 dB (50 Hz to 20 kHz)
Gain 40 dB

100 V input
Connector Screw, unbalanced
Sensitivity 100 V
Impedance 330 kohm

Line loop-through output 2 x
Connector 3-pin XLR
Nominal level 1 V
Impedance Direct connection to line input

Loudspeaker outputs 3 x
Connector Screw, floating
Direct output 100 V, 70 V, 8 ohm
Priority only (from input 1) 100 V or 70 V internally selectable
Music (non-priority) only 100 V or 70 V internally selectable

Power consumption

Mains operation
Max power 990 W
-3dB 715 W
-6dB 510 W
Pilot tone* 110 W
Idle 25 W

24 VDC operation
Max power 32 A (770 W)
-3 dB 26 A (625 W)
-6 dB 18 A (430 W)
Pilot tone* 3.8 A (91 W)
Idle 0.7 A (17 W)
* 20 kHz -20dB with maximum loudspeaker load

Mechanical
Dimensions 145 x 430 x 370 mm
(19" wide, 3U high, with feet)
Weight Approx. 25 kg
Mounting Standalone, 19”rack
Color Charcoal
Our Price
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Availability of this item:
In Stock

Warranty: 12 months

бр.

Продуктът е наличен в
• София, Централен склад
бул. "Проф. Цветан Лазаров" 74А
Into Category:
Installation Power Amplifiers
Bosch Plena