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DSP PRE-AMP AUDIO MATRIX Caratteristiche Tecniche 8x Stereo L/R Inputs 8x Digital Coax Inputs 8x Optical Inputs Doorbell/Pager Connection 8x Stereo L/R Outputs 8x Digital Coax Outputs 1x Ethernet 1x RS232 Serial Pulse-Eight\'s ProAudio¿ range of DSP preamp audio matrices offers innovative features and unmatched capabilities within the range. Designed exclusively by our own engineering team, the ProAudio¿ systems are a versatile and cost-effective multi-zone audio system. 5 BAND GRAPHIC EQUALIZER ON EACH ZONE The ProAudio¿ series provides maximum sound control including bass, treble and a 5 band graphic equalizer available for each zone. Audio and tone control is adjustable in 0.5dB steps, and all allow direct or relative adjustments (Ex: Set the volume to an absolute -12.5dB, or increase it by 3.0dB). The tone controls have a range of +/-20dB. ADJUSTABLE GAIN SETTINGS ON EACH INPUT To balance the different levels of audio coming from different pieces of equipment, each audio input has a full range gain adjustment. The adjustment range is: +24dB to -99.5dB, or full mute, in 0.5dB increments. SUBWOOFER CONTROL With low pass and high pass filter settings adjustable from 50Hz to 300Hz, selectable 12db/24db per octave slope with Butterworth or Linkwitz-Riley filters and selectable polarity for each zone, the ProAudio provides easily adaptable subwoofer control. DOORBELL/PAGING FEATURES The doorbell connections on the reverse of the system provides the ability to connect doorbell/pager inputs to any output zone and to automatically lower the current volume and push through the doorbell/pager signal. This can also be adapted for fire/evacuation messages. VOLUME AND TONE CONTROLS WORK ON THE DIGITAL INPUTS AND OUTPUTS For the extreme in ultra-quiet audio and lowest possible distortion, by mirroring the analog outputs to the digital outputs, you can input and output digital audio, completely bypassing the analog s