4 Series Full Specifications:

Inputs - Electronically balanced (transformers optional)
AES/EBU fitted as standard to all Series 4 units

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 Minimum Load 600 Ohm
Maximum Level +20dBm into 600 Ohm load
Sampling Rate 96kHz internal, up to 192kHz can be accepted and converted

Frequency Response ±0.5dB 10Hz - 32kHz
Dynamic Range >116dB 20Hz -20kHz. Unwtd
Distortion 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

Limiter
Threshold +22dBu to -10dBu
Attack time 0.3 to 90 milliseconds
Release time 4, 8, 16 or 32 times the attack time

Clip/D-max Limiter - Look-ahead attack time,
Fast, Medium or Slow release times

Connectors
Inputs 3 pin female XLR
Outputs 3 pin male XLR
RS485 In/Out XLRs
RS232 9 Pin (Female) D Connector
Power 3 pin IEC
Power 60VAC - 240VAC
Consumption Weight 3.5kg. Net (5kg. Shipping)
Size 1.75"(1U) x 19" x 12" (44 x 482 x 305mm) excluding connectors