Bosch LBD 1938/00 Plena Booster Amplifier 480W

Bosch LBD 1938/00 Plena Booster Amplifier 480W

Bosch LBD1938/00-480w Plena Booster Amplifier

• Wide range of power amplifier from 120W, 240W and 480W
• Multiple outputs – 70 V / 100 V and 8/4 ohm
• Temperature controlled forced front to back ventilation, directly stackable
• Mains, battery back-up, and pilot tone supervision
• Dual inputs with priority switching (LBD1938)

• LBD1938/00

  Brand	BOSCH

  Technical specifications

  Electrical

   

  	LBD1938/00
  Power supply
  Input Voltage	230VAC ±10% at 50/60Hz or    24VDC
  Inrush Current	19A at 230 VAC, 30A at 24 VDC
  Performance
  Rated Output (RMS)	480W
  Power reduction on backup power	-1 dB
  Frequency response	60 Hz to 18 kHz (+1 / -3 dB at    -10 dB ref. rated output)
  Distortion	<1% at rated output, 1 kHz
  S/N (flat at max volume)	> 90 dB
  Power consumption
  Max power consumption	1600 VA
  Mains operation
  Max power	990W
  -3 dB	715W
  Pilot tone	110W
  Idle	25W
  24V DC operation
  Max power	32A (770W)
  -3 dB	26A (625W)
  Pilot tone	3.8A (91W)
  Idle	0.7A (17W)
  Line Input s	2 x
  Connector	3-pin XLR, balanced
  Sensitivity	1 V
  Impedance	>20k ohm
  CMRR	>25 dB (50 Hz to 20 kHz)
  Gain	40 dB
  100 V input
  Connector	Screw, unbalanced
  Sensitivity	100 V
  Impedance	330k ohm
  Line l oop through output	2 x
  Connector	3-pin XLR
  Nominal level	1V
  Impedance	Direct connection to line input
  Loudspeakers outputs	3 x
  Connector	Screw, floating
  Direct output	100 V, 70 V, 8/4 ohm
  Priority only (from input 1)	100V/70V internally selectable
  Music (non-priority) only	100V/70V internally selectable
  Dimensions (H x W x D)	145 x 430 x 370 mm
  Weight	25 kg
  Color	Charcoal
  Mounting	19″ rack, 3U height
  Operating temperature	-10 ºC to +45 ºC
  Storage temperature	-40 ºC to +70 ºC
  Relative humidity	<95%
  Acoustic noise level of fan	<48dB SPL at 1m(max output)