DP-26C™

Grund Audio Design - DP-26C: It is a 2 input x 6 output speaker processor. The 2 input levels are displayed by rows of 6 level LEDs + 1 clip LED. The 6 output levels are displayed by rows of 5 level LEDs + 1 clip LED + 1 limiter LED. The unit has 2 analog inputs, a stereo digital input, and 6 analog outputs. Each input has 5 filters and each output has 5 parametric filters. Both input and output filters can be selected to be Bell, 1st/2nd order shelvings with -3dB at cutting frequency, symmetrical shelving with variable Q, HP/LP with variable Q, 1st/2nd order, all- pass (90/180 degree phase rotation at the cutting frequency), bandpass, and notch.

The output x-over section has Butterworth, Lin/Reyl and Bessel filters up to 24dB/octave or custom selectable HP/LP with up to 24dB/octave with the cascaded cells adjustable in frequency and Q.

The RMS compressor has a selectable ratio up to 32:1 and adjustable hard/soft knee. The output peak limiter with THR in Vp or dBu is for the protection of the loudspeaker. The RMS compressor and peak limiter's THR can range up to-30dBu. Each input and output channels have delays up to 850ms, with steps of 22 usec.

Linking functions between inputs and linking functions between outputs are available. An edit function allows ramps to close the output level on parameter changes when the unit is used as an installation unit. This function can be excluded when the unit is used live and it is necessary to perform small changes to the set parameter on the fly.

The PC software for the remote control allows the internal network to connect up to 32 units and shows the phase of the filter setting and allows adjustment of the RMS compressor and the peak limiter.