Mackie D8B Owners Manual - Page 23
Specifications, Analog Input/Output - specs
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Specifications Meters: • LED ladders displaying 24 channels, 24 LEDs per channel from -50 to 0 dBFS (0 dBFS = +20 dBu) Frequency Response: • 20 Hz - 20 kHz ±0.5 dB Crosstalk (@ 1kHz) • Adjacent channels: • Aux sends feed through: • Main outputs: -90 dBu -90 dBu -90 dBu Equalizer • Gain Range: • Frequency range: • Q: ±15 dB 20 Hz - 20 kHz split into 4 bands 1/12 to 3 octave Compressor • Threshold: • Attack: • Release: • Ratio: • Output: -60.0 to -1.0 dB 0.1 ms to 2.5 sec 10.0 ms to 2.5 sec 1.0:1 to inf:1 0.0 dB to 20.0 dB Gate • Threshold: -60.0 to -1.0 dB • Attack: 0.1 ms to 2.5 sec • Release: 10.0 ms to 2.5 sec • Range (Expand off): 0 dB to 100 dB • Ratio (Expand on): 1:1.0 to 1:inf Digital Specs • Converters: 24-bit, 115 dB Signal-to-Noise-Ratio (EIAJ), 106 dB Dynamic Range, 128X oversampling • DSP: 32 bit (>190 dB dynamic range) • CPU: 300 MHz Celeron (166 MHz Pentium in earlier versions) • Minimum System Requirements for v5.1: 32 MB RAM 166 MHz Pentium D8B CPU • Recommended System Requirements for v5.1: 64 MB RAM 300 MHz Celeron D8B CPU File Storage: • Floppy drive, internal hard drive or 10-base-T Ethernet network Dither: • Apogee UV22 16-bit Super CD Encoding onboard Analog Input/Output Section • Output Level (0 dBu = 0.775V RMS) • Left and Right Outputs: +22 dBu balanced 1/4" TRS +28 dBu balanced XLR • Bus (Tape) out: +22 dBu balanced 1/4" TRS • Aux sends: +22 dBu balanced 1/4" TRS • Inserts: +22 dBu unbalanced 1/4" TRS Channel Section (mic/line) • Line input: balanced 1/4" TRS input • Mic Input: balanced XLR input • Preamp dynamic range: 114 dB max. • E.I.N.: -129.5 dBu, 150 ohm source -131.2 dBV, 150 ohm source • CMRR: -83 dBu @1kHz • Distortion: 0.005% @ 1kHz +14 dBu output level (20 Hz - 20 kHz filter) • Mic gain range: Unity to +60 dB • Line In gain range: -20 dB to +40 dB (channels 1-12) -20 dB to +20 dB (channels 13-24) • Input max. level: +4 dBu nominal +22 dBu clipping • Aux send gain range: off to +10 dB • Bus out gain range: off to +10 dB • Threshold: -60 to -1 dB • Ch. fader gain range: -100 to +10 dB Physical Dimensions • Console: 8.7" x 37.6" x 27.1" (221mm x 955mm x 688mm) • Remote CPU: 5.25" x 19.0" x 20.0" (133mm x 483mm x 508mm) Weight • Console: • Remote CPU: 73 lbs. (33.1kg) 50 lbs. (22.7kg) Note: All specifications subject to change without notice. D8B Manual • Chapter 1 • page 17
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