Inputs
Electronically balanced (transformers optional)
AES/EBU (selectable) fitted as standard to all 5 Seriesunits
Impedance >10k ohms
CMRR >65dB 50Hz – 10kHz

Outputs
All electronically balanced (transformers optional)
AES/EBU fitted as standard to all Series 4 units

Source Imp < 60ohms
Minimum Load 600ohm
Maximum Level +20dBm into 600 ohm load
Sampling Rate DP548 – Up to 96kHz internal, up to 192kHz can be accepted and converted.

Frequency Response ±0.5dB 10Hz – 32kHz
Dynamic Range >116dB 20Hz -20kHz. Unwtd
Distortion < 0.001% @ 1kHz, +10dBm
Maximum Delay 650 mS. (increment 0.325 µs steps)
Output gain Adjustable +15dB to -40dB in 0.1 dB steps and mute

Equalisation
Filters Parametrics – 8 Per input / 9 per output
Additional filters 28-band graphic on each input
Each parametric can be switched to Bandpass, Allpass, Notch, VariQ, Shelf and Elliptical response
Phase filtering – 2 degree steps on each input and output

Crossover Filters
Bessel / Butterworth 6/12/18/24/48dB per octave
and Linkwitz-Riley 12/24/48dB per octave

Dynamic EQ
3 bands per input
Parametric behaviour – 19.7Hz – 32kHz
‘Q’ 0.4 – 128,
Max gain automatic gain adjustment 18dB
Max ratio (cut above mode) 4:1
Max ratio (all other modes) 2:1
Attack 70uS – 2.0 Seconds
Release 11mS – 3.4 Seconds

Compressor
One per output
Max ratio 16:1
Variable knee – 12 steps + Off (Hard)
Attack 70uS – 2.0 Seconds
Release 11mS – 3.4 Seconds