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.

Converter performance

• Sample rate: 44.1, 48, 88.2, 96, 176.4 and 192kHz
• Bit depth: 24-bit

ADC

• SNR: 120dB measured with 20Hz/22kHz bandpass A-weighted filter
• Frequency response: ±0.05dB between 20Hz - 22 kHz
• Maximum input level: +22dBu
• THD+N: 0.00035% (-109dB)

DAC

• Dynamic range: 116dB measured with 20Hz/22kHz bandpass A-weighted filter
• Frequency response: ±0.05dB between 20Hz / 22kHz
• Maximum output level: +22dBu
• THD+N: 0.0007% (-103dB)

Jitter

• Internal clock: < 20 pico-seconds
• AES digital output: < 200 pico-seconds
• External clock: < 1 nano-second
• Analogue and digital path

Mic pre

• Gain range: +6dB to +80dB, switched in 1dB steps
• Frequency response: variable, set by pre-amp chosen
• THD+N at analogue out: 0.001% measured with a +4dBu 1kHz input signal with 20Hz/22kHz bandpass filter
• THD+N at AES digital out: 0.0005% measured with a +4dBu 1kHz input signal with 20Hz/22kHz bandpass filter
• Mic noise: EIN = -126dB measured at 80dB of gain with 150 Ohm source impedance and 20Hz/22kHz bandpass filter
• Noise at analogue out: -92dBu measured at +6dB gain with 20Hz/22kHz bandpass A-weighted filter
• Noise at AES digital out: -119dBFS measured at + 6dB gain with 20Hz/22kHz bandpass A-weighted filter
• Maximum input level: +16dBu
• Input impedance: variable, set by preamp chosen
• CMRR: Transformer: 123dB @ 60dB of gain
• Electronic: 102dB @ 60dB of gain

Line input

• Gain range: 10dB to +10dB, switched in 1dB steps
• Frequency response: 0dB ±0.1dB between 20Hz and 20kHz
• THD+N at analogue out: 0.001% measured with a +18dBu 1kHz input signal with 20Hz/22kHz bandpass filter
• THD+N at AES digital out: 0.0004% measured with a +18dBu 1kHz input signal with 20Hz/22kHz bandpass filter
• Noise at analogue out: -92dBu measured at 0dB gain with 20Hz/22kHz bandpass A-weighted filter
• Noise at AES digital out: -120dBfs measured at 0dB gain with 20Hz/22kHz bandpass A-weighted filter
• Maximum input level: +22dBu
• High pass filter
• Roll off frequency: switchable between 75Hz and 120Hz, frequency measured at 6dB down point, 12dB per octave roll-off

Harmonics

• Distortion range: 0 to 15 where 15 (maximum) = 10% of 2nd-, 20% of 3rd- and 10% of 5th-order at 0dBFS (level-dependent distortion)

Compressor

In 'As Original' mode the parameter ranges will be the same as on the original unit being emulated. In 'Free' mode the parameter ranges are as follows:

• Threshold range: -40dB to 20dB switched in 1dB steps
• Ratio range: 1:1 to limit
• Attack range: 0.1ms to 2.5s
• Release range: 0.1ms to 2.5s
• Make-up gain: -20dB to +20dB switched in 0.5dB steps

EQ

High Shelf

• Frequency range: 200Hz to 20kHz
• Gain: +/-18dB

Mid Band

• Frequency range: 100Hz to 10kHz
• Gain: +/-18dB
• Q: variable between 0.8 and 2.5

Low Shelf

• Frequency range: 10Hz to 1kHz
• Gain: +/-18dB

Weight

• 8.6kg
• 19Ibs

Dimensions

• 484mm (W) x 85mm (H) x 270mm (D)
• 19" (W) x 3.5" (H) x 10.6" (D)
• 2U rackmount