The DDA CS8 has been designed as a cost effective multipurpose console suitable in applications ranging from theatre sound reinforcement right through to high quality touring systems and professional recording studio environments.

The CS8 has been designed as a cost effective multipurpose console suitable in applications ranging from theatre sound reinforcement to high quality touring systems. It features SIS (Spatial Imaging System) which combines a central loudspeaker cluster with a left/ right system to form three discrete sound channels.

This configuration will be very familiar to those who have been exposed to feature film sound, home theatre or multimedia productions. In SIS sound systems the centre channel is reserved for voice and, in music reinforcement, is sometimes used for solo instruments. The centre cluster is designed to cover an entire auditorium while its frequency response is tailored to roll off rapidly below 80Hz. There are a number of advantages created by working this way.

With a discrete centre channel handling all critical vocal reinforcement, intelligibility is maximised. Reverberation can be controlled through careful attention to the coverage pattern of the cluster along with careful aiming. Reflections in the space that are associated with the vocal signal are more coherent because the space is being excited from a single source and since the low frequency response of the cluster can be tailored to a range appropriate for vocals, problems, such as the proximity effect of cardiod microphones, can be minimized. The physical separation of the voice from instrumental (or sound effect) backgrounds also aids the ear making the featured vocal stand out in relief over the rest of the mix.

As the centre cluster is primarily for vocals it is more likely to be operated in its linear region below the onset of overload. This and the fact that the signals that it reproduces have relatively simple harmonic structures results in greatly improved clarity by minimizing distortion. The left/right accompaniment channels can be driven into overload without distorting the vocal signal. The DDA CS8 is a uniquely powerful and flexible console that is purpose built for controlling such systems and maximising their performance.

Nominal Operating Level +4dBu with a unity gain structure.
Frequency Response 20Hz - 20kHz +/-0.5dB any input to any output
at a gain < 50dB.
EQ range
HF +/-15dB @ 10kHz shelving
LF +/-15dB @ 100Hz shelving
Hi Mid +/-15dB 470Hz - 15kHz, Q = 1.4
Lo Mid +/-15dB 70Hz - 2.2kHz, Q = 1.4
Channel Routing Attenuation > 90dB @ 1kHz
Channel Mute Attenuation > 95dB @ 1kHz
Channel Fader Attenuation > 85dB @ 1kHz
Distortion
0.005% @1kHz any input to any output at a gain < 50dB.
Noise: -82dBu (24 channels routed and cut)
EIN: -127.5dBu ref 200 ohms
EIN: -128.7dBu ref 150 ohms
Maximum output level: +20dBu into a bridging load
Output impedance: <75R
Maximum input level: +30dBu
Phono connector levels: Nominal -10dBV
Signal present threshold: -21dBu
Peak led threshold: 3dB below clipping
Power consumption: < 600 Watts

 

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