Technical Data - Philips LBB 3500 Serie Mode D'emploi

DCN Discussion System
5. Part of system not working
Eng
Possible cause
Interrupted trunk-line cabling.
Solution
Check the trunk-line cabling connections between the units and the CCU.

11.Technical data

Electrical data
11.1 Combined units
Delegate/interpreter microphones with transmission links to interpreter/delegate
headphones and auxiliary outputs.
General
Typical frequency response
Total harmonic distortion at overload
Crosstalk attenuation
11.2 System Electrical and Electro-acoustical characteristics
Nominal input level
Overload input level
Automatic gain reduction at Overload
input level (not for PA-floor output)
Automatic gain reduction with:
- 2 microphones on
- 4 microphones on
Loudspeaker gain control
11.3 Interface data
LBB 3500/.. Central Control Unit
Power consumption
Line in/outputs
Recorder input/output
Mains voltage
Instructions for use
: 125 Hz (-8 dB) - 14.000 Hz (-8 dB)
: < 1 %
: > 80 dB
: 85 dB SPL
: 110 dB SPL
: - 30 dB (interpretation channels)
- 18 dB (loudspeaker channel)
: 3 dB
: 6 dB
: off +13 steps of 1.5 dB
: 320 W (VA) at max. load
: -18 dBV/ +12 dBV (nominal/maximum)
: -33 dBV/ -3 dBV (nominal/maximum)
: 105, 115, 125, 220, 230, 240 Va.c, 50/60Hz
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