XTA DP544 4-in 4-out Signal Processor.
Much more than a sum of its parts, the 5 Series dynamic management takes the features of the 4 Series products and adds the equivalent of four D2 dynamic equalisers across the inputs and a channel of C2 compression on each output, along with a new matrix mixing mode.
With two units available (DP548 – 4 inputs/8 outputs, and DP544 – 4 inputs/4 outputs), all the original features and sound quality of the 4 Series are preserved and expanded upon using a newer DSP platform, and with some never before seen ground breaking features in AudioCore, it all makes for a new dynamic combination…
It’s a long list to cover, but for those who have never used a 4 Series unit, there is a formidable array of tools available to cater for your creative as well as your control/corrective needs.



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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

Mix matrix mode
Input sends to each output continuously variable from -40.0dB to _15.0dB in 0.1dB steps plus OFF,

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 < 40 watts

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