Specifications
We always quote 'real world' performance figures (measured to the AES17 standard). Some companies choose to quote chipset performance, which is misleading, and here's why.
Line
Gain Range: +10dB to +40dB continuously variable
Input Impedance: >1M Ohm
Mic
Gain Range: 0 to +60dB in 10dB steps
Input Impedance: Variable as follows: 600 Ohm, 1k4 Ohm, 2k4 Ohm, 6k8 Ohm
EIN: -128dB with 150 Ohm terminating impedance at 60dB of gain
Noise: -97dBu
THD: 0.001% with -20dBu 1kHz input and 20Hz?22kHz bandpass filter
Compressor (VCA mode)
Threshold Range: -28dB to +12dB
Ratio: 1.5:1 to 10:1
Slope: Soft knee
Attack: 100? to 100ms
Release: 100ms to 7s, variable or auto (program dependent)
Compressor (Vintage Opto mode)
Threshold Range: -28dB to +12dB
Ratio: 1.5:1 to 5:1 in Comp mode, 5:1 to 20:1 in Lim mode
Slope: Soft knee in Comp mode, Hard knee in Lim mode
Attack: Fixed
Release: Fixed
EQ
Low Pass Filter: 18dB/oct from 400Hz to 22kHz
High Pass Filter: 18dB/oct from 20Hz to 1k6Hz
Parametric section is comprised of: Low-mid & Hi-mid parametric, each with continuously variable boost/cut with centre detent, frequency sweep control with two ranges, and fully variable Q. Low-mid frequencies 40Hz to 400Hz (120Hz to 1k2Hz when x3 is pressed). Hi-mid frequencies 600Hz to 6kHz (1k8Hz to 18kHz when x3 is pressed)
Shelving section is comprised of: High Frequency Shelf: The frequency range steps are 1.5kHz, 3.3kHz, 6.8kHz and 15kHz (2.2kHz, 4.7kHz, 10kHz and 18kHz when Hi Range is engaged). Low Frequency Shelf: The frequency range steps are 20Hz, 56Hz, 160Hz and 460Hz (33Hz, 95Hz, 270Hz and 655Hz when Hi Range switch is engaged)
Gate
Threshold Range: -40dB to +10dB
Gate Range: 0 to -80dB
Attack: switched fast or slow
Release: 100ms to 5s
Hold: 20ms to 4s
Expander Ratio: 0 to 5:1
De-Esser
Threshold Range: 22dB
Frequency Range: 2k2 to 9k2
Ratio at centre frequency: 2:1
Limiter
Threshold Range: 20dBu
Ratio: infinite (Brick Wall)
Attack: Frequency dependent
Weight
7.58kg
16.7Ibs
Dimensions
484mm (W) x 85mm (H) x 250mm (D)
19' (W) x 3.5' (H) x 9.8' (D)
Optional A-D Converter Specifications
Output formats (All channels)
AES/EBU (5V / 110 ohms), S/PDIF (0.8V / 75 ohms)
ADAT lightpipe (SMUX I/II/IV)
S/PDIF lightpipe
Bit depth
24 bits
AES3 output jitter
<:500ps, 50Hz-100kHz
<:400ps, 700Hz-100kHz
Frequency response
All ranges: 20Hz?0kHz ?0.3dB (50Hz?6kHz ?0.1dB)
176.4kHz, 192kHz : 16Hz?5kHz ?0.5dB
THD+n
?17.5dB A-weighted, audio band-limited, 1kHz, -60dB FS input
Maximum 0.004% at ?dB FS (1kHz)
Minimum 0.0008% at ?3dB FS (1kHz)
Idle channel noise
113.5dB at 44.1kHz, CCIR-weighted, full bandwidth
Crosstalk
?09dB at 12kHz