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.

D8B Manual • Chapter 1 • page 17