MACKIE Digital 8Bus D8B v5.1 - Manual (Page 23)

D8B Manual • Chapter 1 • page 17
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: –90 dBu
• Aux sends feed through: –90 dBu
• Main outputs: –90 dBu
Equalizer
• Gain Range: ±15 dB
• Frequency range: 20 Hz – 20 kHz
split into 4 bands
• Q: 1/12 to 3 octave
Compressor
• Threshold: –60.0 to –1.0 dB
• Attack: 0.1 ms to 2.5 sec
• Release: 10.0 ms to 2.5 sec
• Ratio: 1.0:1 to inf:1
• Output: 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: 73 lbs. (33.1kg)
• Remote CPU: 50 lbs. (22.7kg)
Note: All specifications subject to change without
notice.