User manual QSC AUDIO EX 1250
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Manual abstract: user guide QSC AUDIO EX 1250
Detailed instructions for use are in the User's Guide.
[. . . ] The EX 1250 offers most of the features of the DCP 300 but at a lower price point for 8-channel systems that also don't require CobraNetTM network audio distribution. [. . . ] 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. In addition, the DCP detects all amplifier clipping, protect modes and heat sink temperature for reporting via SNMP or a QSControl Ethernet monitoring system. QSControl and QSCreator allow for the creation of custom control screens and remote access for fault reporting and diagnosis. The NAC 100 Ethernet remote control panel provides remote operation in a multiplex from anywhere on the local network.
EX 1250
Front Panel Controls Power switch Mute control Auditorium fader Monitor volume/parameter adjust Menu-driven LCD Rear Panel Connectors D-Cinema input Audio formats Analog input Universal Mic/Line input S/PDIF input DB-25 -- AES3/EBU channels 1-8 5. 1, 5. 1 EX, 7. 1 DS DB-25 -- Analog audio channels 1-8 XLR -- Mic (+ phantom pwr) or line level RCA -- Stereo digital audio interface and Lt/Rt Matrix RCA (2) -- Stereo Left and Right and Lt/Rt Matrix HD-15 (8) -- QSC amplifier interface 6-pin Euro-style (x2) TTL compatible dry contact closure DB-9 RS-232 serial interface Weight Logic output 4-pin Euro-style (x2) outbound control Rocker switch Push button Rotary encoder Rotary encoder Touch control LCD Relay outputs USB port QSControl and SNMP RJ45 SD card receptacle H. I. 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. [. . . ]
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