User manual QSC AUDIO EX 1250

[. . . ] Designed to be used with QSC's Digital Cinema Amplifiers (DCA) and featuring advanced DSP presets for QSC's Digital Cinema Speakers (DCS), the EX 1250 optimizes loudspeaker performance while simplifying cinema sound system wiring and configuration. The EX 1250 covers cinema systems with 3 passive or bi-amp screen channels and 2 or 4 surround channels. [. . . ] The EX 1250 covers cinema systems with 3 passive or bi-amp screen channels and 2 or 4 surround channels. The EX 1250 is also compatible with analog cinema processor formats including Dolby® Digital Surround-EX and DTS-ES and features an 8-channel analog input for integration with 35 mm audio systems. Features · Digital Input for up to 8-Channels of audio · Network control and monitoring via SNMP · Serial automation control via RS-232 · Analog Inputs for film processors, non-sync and Mic/Line · Master volume and full 1/3 Octave Graphic EQ on all channels (except subwoofer) · Booth Monitor with touch screen control for easy operation · Digital Loudspeaker Crossovers -- three passive or bi-amp screen channels · Compatible with all existing DCA amplifiers -- thousands of DCA equipped screens are ready for full network monitoring and control · Replaces the DCM-1, DCM-10 and DCM-10D for digital projection retrofits · Dual power supplies with load sharing for seamless operation in the event of failure · SD Memory card for quick unit swap -- restores all settings · Multiple Bypass modes routes audio around failed components to insure that the show will go on · DSP presets for DCS speakers for great "out of box" performance and reduced set-up time · QSControl and QSCreator allow for the creation of custom control screens and remote access for fault reporting and diagnosis · Easily integrates with existing film processors for dual film/digital projection systems · Continued development of software and firmware will add new capabilities to the existing hardware with easy firmware updates · The EX 1250 is part of a new generation of QSC products designed expressly for the needs of D-Cinema sound systems Digital Signal Processing The EX 1250 digital signal processing capability outperforms traditional analog crossovers and equalizers for optimized speaker performance. Crossover frequency, 1/3 octave graphic EQ, parametric equalization, polarity, delay and gain can be precisely adjusted for each speaker in your system. Passive or active 2-way crossovers are available for three screen channels. Advanced crossover presets for QSC DCS speakers speeds system set-up and insures maximum performance. Less Wiring, Faster Set-up DCPs greatly simplify system wiring and set-up, significantly reducing installation time and labor cost. Input to the DCP is provided via standard DB-25 cables from the D-Cinema server and/or 35 mm cinema processor. impaired outputs Output stage type Output impedance Nominal output level Loading requirements QSControlTM network/ SNMP Protocol Data rate Preliminary Specifications 6-pin Euro-style (x2) ­ outbound control Config and management interface 10/100 Mbps network management Configuration memory card (1 GB min) Single ended (balanced Z) 50 Ohms -11. 8 dBu (200 mVrms) Rmin = 2k Ohms, Cmax = 4nF Standard TCP/IP implementation over Ethernet or Fast Ethernet 10/100 Mbps Cat-5 UTP cable or better (100m maximum length), direct connection to wired network switch ports only, dedicated LAN or VLAN 5. 25" x 19" x 15. 2" (133 mm x 483 mm x 386 mm) 100 VAC ­ 240 VAC, 50/60 Hz RCA (L/R) inputs Connection requirements DataPort outputs Automation inputs Serial Control Dimensions (H/W/D): Line voltage requirements 16. 6 lb (7. 5 kg) RoHS All specifications are subject to change without notice. ©2010 QSC Audio Products, LLC. QSC, the QSC logo, QSControl. net, QSControl, BASIS, RAVE, QSCreator, DCP Manager, Digital Cinema Amplifier (DCA), Digital Cinema Processor (DCP) and Intrinsic Correction are registered trademarks of QSC Audio Products, LLC in the U. S. Patent and Trademark office and other countries. Dolby is a registered trademark of Dolby Laboratories. CobraNet is a trademark of Cirrus Logic. All other trademarks are the property of their respective owners. [. . . ] Dolby is a registered trademark of Dolby Laboratories. CobraNet is a trademark of Cirrus Logic. [. . . ]