Martin Audio Installed System Digital Management Processor Engineer 418 Technical Specifications

features Q 4 input, 8 output freely routable signal path Q 8-band fully parametric EQ on every input/output Q Highpass and lowpass crossover filters on every output with slopes up to 24dB/octave Q Choice of Linkwitz-Riley, Butterworth or Bessel filters Q Speaker protection limiters on every output Q Unique advanced human-based Engineer algorithm Q Unique psycho-acoustical perceptual BassCreator algorithm Q Flexible event scheduler Q RS232 interface for PC programming and control Q RS485 interface for external remote control applications Q Fixed Installation loudspeaker system management Q Automatic control of programme level and tonal quality to compensate for variations in programme sources Q Eliminates sub frequency noise pollution Century Point, Halifax Road, Cressex Business Park, High Wycombe, Buckinghamshire HP12 3SL, England. Telephone: +44 (0)1494 535312 Facsimile: +44 (0)1494 438669 E-mail: [email protected] All information is Copyright © 2008 Martin Audio Ltd. Due to Martin Audio’s policy of continuing improvement, we reserve the right to alter these specifications without prior notice. The Martin Audio Engineer is an advanced, powerful digital signal processor designed to provide comprehensive control and management of installed loudspeaker systems. Incorporating a broad range of standard facilities; gain, EQ, limiting, time delay and a 4 x 8 routing matrix, the Engineer features the BassCreator and Engineer algorithms. These unique, innovative functions offer solutions to some of the most commonly encountered operational and environmental problems encountered in audio system design. www.martin-audio.com overall dimensions technical specifications INPUTS Four electronically balanced IMPEDANCE > 25K ohms OUTPUTS Eight electronically balanced SOURCE IMPEDANCE < 60 ohms MIN. LOAD 600 ohms MAX. LEVEL +20dBu FREQUENCY RESP. + 0.1dB 8Hz - 20kHz DYNAMIC RANGE > 110dB Unweighted DISTORTION 0.0035% @ 1kHz 0dB INPUT GAIN Adjustable +12dB to -inf. on 0.25dB steps OUTPUT GAIN Adjustable +12dB to -inf. on 0.25dB steps PARAMETRIC EQUALISATION FILTERS 8 bands per input, 8 bands per output FILTER TYPES Bell, Lowshelf, Highshelf, Notch, Bandpass FILTER GAIN +12dB to -45dB in 0.25dB steps FILTER Q/BW User selectable 0.05 to 20 / 20 to 0.05 FREQUENCY RANGE 20Hz - 20kHz HIGH AND LO W PASS FILT E R S FILTERS One high and one lowpass for each output FREQUENCY RANGE 20Hz - 20kHz RESPONSE Bessel, Butterworth, Linkwitz-Riley 12/18/24 dB/oct LIMITERS LIMITER THRESHOLD +20dBu to -43dBu ATTACK TIME 0.3 to 45ms RELEASE TIME 4.8 to 720ms B AS S C R E ATOR ALGORITHM PLACEMENT Freely insertable on any output FREQUENCY RANGE Virtual 30Hz to 120Hz PARAMETERS Drive, mix level ENGINEER ALGORITHM PLACEMENT Freely insertable on any input OPERATING RANGE -45dB to +22dB PRESETS PRESET TYPES System, Routing, Noise Emission, Engineer PRESET NUMBER 32 user-accessible presets SECURITY LEVELS 3 security levels with user assignable passwords STORAGE Security settings are stored within the device CONNECTORS INPUTS 12-pin Phoenix plug-in terminal block OUTPUTS 2 x 12-pin Phoenix plug-in terminal block RS-232 9-pin DB9 connector RS485 RJ45 connector POWER 3-pin IEC POWER 60 to 250V @ 50/60Hz CONSUMPTION 30 Watts SIZE (W) 482mm x (H) 44mm x (D) 251mm (W) 19ins x (H) 1.75ins (1U) x (D) 9.89ins WEIGHT 3.35kg (7.4lbs) electronics