- Analog audio I/O (All specifications are given with the factory reference level of —16dBFS.)
MIC inputs (channels 1 through 24): Balanced XLR-type female connectors, Adjustable input level: (—60dBu (TRIM max) to —4dBu (0dB pad)), (—40dBu (TRIM max) to +16dBu (—20dB pad)), Input impedance 2.2k ohms
PHANTOM (+48V): +48V phantom power. Switchable in blocks of 4 channels
(1—4, 5—8, 9—12, 13—16. 17—20, 21—24)
LINE IN (BAL): inputs (channels 1 through 24): Balanced 1/4" jacks, Adjustable input level (—44dBu (TRIM max) to +12dBu (TRIM min), Input impedance 10k ohms
INSERT connections (channels 1 through 24): 1/4" TRS jacks, Send: nominal output level —2dBu, maximum output level +14dBu, impedance 100 ohms, Return: nominal input level —2dBu, headroom 16dB, impedance 10k ohms
ASSIGNABLE RETURNS (BAL) (1 through 8): Balanced 1/4" jacks, Nominal input level: +4dBu, Headroom: 16dB , Input impedance: 5k ohms
ASSIGNABLE SENDS: (1 through 8) Pseudo-balanced 1/4" jacks, Nominal output level: —2dBu, Maximum output level: +14dBu, Output impedance: 100 ohms
2 TR IN (L/R): 2 x RCA pin jacks, Nominal input level —10dBV, Headroom: 16dB, Input impedance: 10k ohms
STEREO OUTPUT (L/R): Balanced XLR-type male connectors, Nominal output level: +4dBu, Maximum output level: +20dBu, Output impedance: 100 ohms
MONITOR OUTPUTS (LARGE (BAL) & SMALL (BAL): Balanced 1/4" jacks (2 pairs), Nominal output level: +4dBu , Maximum output level: +20dBu, Output impedance: 100 ohms
MONITOR OUTPUTS (STUDIO): Pseudo-balanced 1/4" jacks, Nominal output level: —2dBu, Maximum output level: +14dBu, Output impedance: 100 ohms
PHONES: 2 x 1/4" stereo jacks, 50mW + 50mW total, 32 ohms
Digital audio I/O
DIGITAL INPUTS (1, 2): 2 x XLR-type female connectors (input impedance 110 ohms) or 2 x RCA pin jacks (input impedance 75 ohms) (selectable), AES3-1992 or IEC60958 data format (automatically detected), 24-bit word length, Switchable sampling frequency conversion available
DIGITAL OUTPUTS (1, 2): 2 x XLR-type male connectors (output impedance 110 ohms), 2 x RCA pin jacks (output impedance 75 ohms), AES3-1992 or IEC60958 data format (software selectable) , 24-bit word length, TDIF (1, 2, 3) 3 x 25-pin (female) D-sub connectors (metric lock screws), Conform to TDIF-1 standard 24-bit word length
ADAT IN/OUT: 2 x "Lightpipe" optical connectors Conform to ADAT OPTICAL specifications, 24-bit word length
Sampling frequencies Internal 44.1kHz/48kHz, 88.2kHz/96kHz (high sampling frequencies), External ±6.0%
Signal delay < 1.8ms — Fs = 48kHz, LINE IN to STEREO OUTPUT, < 0.90ms — Fs = 96kHz, LINE IN to STEREO OUTPUT
Miscellaneous I/O Connections
WORD SYNC IN: BNC connector, Switchable 75 ohms termination, TTL level
WORD SYNC OUT/THRU:BNC connector, Switchable between through and output, TTL level
MIDI IN, OUT, THRU/MTC OUT: 3 x 5-pin DIN connectors—conform to MIDI specifications
USB: USB 1.1 'B' type connector (12Mbps)
TIME CODE IN: RCA pin jack - Conforms to SMPTE specifications
FOOT SW: 1/4" mono jack
TO METER: 25-pin female D-sub connector (non-metric lock screws) For use with the optional MU-1000
RS-422 (for Sony 9-pin): 9-pin female D-sub connector (non-metric lock screws)
wired to RS-422 standards
GPI (for Machine start): 9-pin female D-sub connector (non-metric lock screws) wired for GPI control Pin 1=GPI 1, Pin 2=GPI 2, Pin 3=GPI 3, Pin 4=GPI 4, Pin 5=GND, Pin 6=GPI 5, Pin 7=GPI 6, Pin 8=GPI 7, Pin 9=GPI 8
Equalization
EQ switch On/Off
HIGH filter: Gain: ±18dB, 0.5dB resolution, Frequency: 31Hz to 19kHz, Q: 0.27 to 8.65, Type: Hi-shelving, Peak, LPF
HI MID filter:Gain: ±18dB, 0.5dB resolution, Frequency: 31Hz to 19kHz. Q: 0.27 to 8.65, Type: Peak, Notch
LO MID filter: Gain: ±18dB, 0.5dB resolution, Frequency: 31Hz to 19kHz, Q: 0.27 to 8.65, Type: Peak, Notch
LOW filter: Gain: ±18dB, 0.5dB resolution, Frequency: 31Hz to 19kHz, Q: 0.27 to 8.65, Type Low-shelving, Peak, HPF
(All filters are fitted with "gain flat" switches)
System performance
THD (maximum level, 1kHz, TRIM: minimum): 20Hz — 22kHz LINE IN to INSERT SEND: < 0.005%, LINE IN to STEREO OUTPUT: < 0.008%
Frequency response (nominal level, 1kHz, TRIM: minimum): 0.5dB/-1.0dB MIC/LINE to INSERT SEND:20Hz — 20kHz (44.1/48kHz, 0.5dB/-1.5dB MIC/LINE to INSERT SEND: 20Hz — 40kHz (88.2/96kHz, 0.5dB/-1.0dB MIC/LINE to STEREO OUTPUT a: 20Hz — 20kHz (44.1/48kHz), 0.5dB/-1.5dB MIC/LINE to STEREO OUTPUT a: 20Hz — 40kHz (88.2/96kHz)
Noise level (20Hz — 22kHz, TRIM: max, 150 ohms): MIC in (PAD off) to INSERT SEND (A weight): < —128dBu (EIN), STEREO OUT (Input no assign): < —83dBu
ASSIGNABLE RETURN to ASSIGNABLE SEND: < —85dBu, 2TR IN to CR OUTPUT (CR: max, 0dB): < —78dBu, 2TR IN to STUDIO OUT (STUDIO OUT 0dB): < —84dBu
Crosstalk @ 1kHz: STEREO/BUSS/AUX OUTPUTS: > 90dB, MONITOR OUTPUTS: > 90dB
a. MIC/LINE to channel module to STEREO OUTPUT, channel and stereo faders at 0dB, pan hard left or hard right
Physical characteristics
Displays: Backlit 320 x 240 LCD with contrast control 2 x 12-segment LED meters
Faders: 25 x 100mm stroke, motor-driven touch-sensitive faders
Maximum overall dimensions: (W x D x H) including rest 933 x 824 x 230 (mm) 36.75 x 32.4 x 9.1 (in)
Weight: 35kg (71lbs)
Voltage requirements: 120VAC, 60Hz, 230VAC, 50Hz, 240VAC, 50Hz
Power consumption: 90W