CX233 I
NSTALLATION AND OPERATION MANUAL
7
10
Unbalanced Mode
If the zone outputs are required to operate in the unbalanced mode, it is suggested that
the unused pin of the XLR connector is not connected. The nominal output signal in this
mode is -6dBu and a small amount of extra gain may be required.
11
Technical Specifications
Music Channels
Frequency Response
±0.5db 20Hz/20kHz
Distortion
<0.05% 20Hz/20kHz (+10dBu O/P)
Nominal Input Level
0dBu/775mV
Input Impedance
20k
Ω
balanced 10k
Ω
unbalanced
Headroom
>20dB
Noise
0dB gain – 90dB CCIR – ARM
Input Gain Range
±12dB
Microphone Channels
Frequency Response
±0.5db 100Hz/20kHz -3db 30Hz
Distortion
<0.03% 20Hz/20kHz (+10dBu O/P)
Maximum Gain
60dB
Gain Control Range
54dB
Headroom
>20dB
Noise
> - 128dB EIN 22Hz/22kHz (150
Ω
)
HF/High Frequency ±10dB 5kHz
LF/Low Frequency ñ10dB 100Hz
Equalisation
C6dB at 3kHz
Input Impedance
>2k
Ω
(balanced)
Common Mode Rejection
>70dB 1kHz
Zone Outputs
Nominal Output Level
0dBu balanced , -6dBu unbalanced
Minimum Load Impedance
600
Ω
Equalisation
HF/High Frequency ±10dB 10kHz
LF/Low Frequency ± 10dB 50Hz
Maximum Output Level
+26dbu balanced, +20dBu unbalanced
