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Bosch Security Systems | 2003-06 | 3922 988 54284
CCS 800 Ultro | Installation and Operating Manual en | 18
8 Technical data
8.1 System Electrical and Electro-
Acoustical Characteristics
8.1.1 The CPSU
Mains voltage: 100 - 240 Vac, ± 10%, 50/60 Hz
Current consumption: max. 0.9 A (100 Vac) - 0.3 A
(240 Vac)
DC supply to
contribution units: 24V +/- 1V (current limited)
Line, telephone coupler and insertion in/outputs
(unbalanced)
Input sensitivity: -14 dBV/ +11dBV
(nominal/maximum)
Input impedance: 33 kΩ
Output level: -14 dBV/ +11dBV
(nominal/maximum)
Output impedance: 500 Ω
Recorder in/output (unbalanced) - mono
Input sensitivity: - 20 dBV/ + 5 dBV
(nominal/maximum)
Input sensitivity
adjustment: +0 / -20 dB
Input impedance: 47 kΩ (for L and R channel)
Output level: - 20 dBV/ + 5 dBV
(nominal/maximum)
Output impedance: 500 Ω
External microphone input (balanced)
Input sensitivity: - 56 dBV
(- 6 dBV via included adapter).
Input sensitivity
adjustment: +6 dB / -6 dB
Phantom supply: 12V +/- 1V, 2 x 680 Ω (+/-2%).
(Phantom supply is not available
when using the included
adapter).
Monitor loudspeaker
Output level at 0.5 m: 72 dB SPL/ 82 dB SPL
(nominal/maximum)
Frequency response: 320 Hz ... 10 kHz
(-10 dB, ref. 1kHz)
Impedance: 25 Ω
Volume control: 50 dB attenuation range
Monitor headphone
Output level: -8 dBV/ +2 dBV
(nominal/maximum)
Output impedance: 22 Ω
Output connection: stereo jack socket (mono output)
Allowed impedance: any impedance
Volume control: 50 dB attenuation range
Loudspeaker volume control
For delegate and
chairman units: mute (50 dB att.) + 10 steps of
1.9 dB
Limiter threshold level
To unit loudspeaker
/headphone: 10 dB above nominal level
Gain reduction due to NOM
(Number of Open
Microphones): √NOM +/- 1 dB
Auto microphone switch-off function selectable on
the Control and Power Supply Unit
After approximately 30 sec. not speaking (sound level
below 64 dB SPL) the microphone is automatically
switched off
System limits
Number of delegate/chairman units connected to CPSU
Maximum in total: 50
Maximum per
trunk output: 25
Maximum trunk length
using CCS 800 Ultro
standard cabling: 100 m (328 ft)