Bosch Appliances LBB 1938/20 manual

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Table of contents for the manual

  • Page 1

    Communications Systems | LBB 1938/20 Plena Power Amplifier LBB 1938/20 Plena Power Amplifier www.boschsecurity.com u 480 W power amplifier in a 3U high 19”housing u EN 54‑16 certified and EN 60849 compliant u 70 V / 100 V and 8 ohm outputs u Dual inputs with priority switching u 100 V input for slave operation on 100 V speaker line The LBB 1938[...]

  • Page 2

    Controls and indicators Front • Meter (LED's for -20, -6, 0 dB and Power ON) • Battery operation indicator • Overheat indicator • Air inlet for forced air cooling Back • Level control input 1 • Level control input 2 • Power button • Mains switch Interconnections Back • Priority line input 1 (XLR/balanced) • Line loop-throug[...]

  • Page 3

    -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 (H x W x D) 145 x 430 x 370 mm (19" wide, 3U high, with feet) Weight Approx. 25 kg Mounting Standalone, 19”rack Color Charcoal Environmental Operating temperature -10 ºC to +55 ºC (14 ºF to +1[...]