DP548 - New dynamic applications

Faced with the formidable combination of industry standard speaker management and a suite first class dynamics, it would be easy to get lost in the specifications of this new exciting product and miss out on the real world applications.

For those of you who like specifications, theye're all here at the bottom of this page, and a copy of the preliminary datasheet can be downloaded here.

For everyone else, here are a few examples of how a DP548 could work for you...


In Ear Monitor Processing
Your ears have never been better protected - multi-stage limiting with soft knee compressors on each output, that can be linked to track prefectly ensuring a gradual onset of protection which will allow maximum perceived loudness coupled with the security of a definitive ceiling on the SPL levels.

The dynamic EQ on each input also allows mixes to be fine-tuned to personal tastes that react to the signal level, and adapt depending on the content.

Four independant stereo mixes can be accomodated on a single unit.




 

Noise Pollution Control
Imagine being able to not only set the maximum level your amps receive to prevent them clippping and destroying your expensive club install speakers, but at the same time being able to ensure that no matter what the source material, you'll get the best drive and cleanest audio. Use the variable kneee compressors on each output along with the two-stage limiters to keep distortion at a minimum and level at a happy maximum.

Worried about all this level disturbing the neighbours? Keep control of low frequency content using the input dynamic EQs to only reduce low fundamentals when they become a problem - not robbing your system of LF all the time!

 

Inserts and Speaker Management
Run a stereo 3 way system with all the control and precision of a DP426 (or a DP226 of you're old skool!) and in the same box, have two fully independant "money channels" for use on your vocal inserts. 17 bands of PEQ, a 28 band graphic, 3 bands of DEQ, compression, limitiing and delay - any more polish and you'll blind the audience!

Use inputs C&D to outputs 3-8 for your stereo crossover set up just how you need.


 

Dynamic Speaker Control
Got a shouty horn, or a hard mid that only causes trouble when you push it? What about problems with exciting room modes, but only at high levels?

Not only can you use the best loudspeaker processing, but with the dynamic EQ you can control troublesome parts of the spectrum, only when they start to give trouble.

That doesn't just have to be just when things get too loud either - it can be used to subtly (or not!) adapt the system response to work better at low levels so your audience gets the sound you want all the time.

And you replied...
Those are just a few of the possible applications for the DP548 - if you've any other ideas or suggestions, drop us an email or upload it to the blog for everyone else to read about.

The best application wins a car. That last stamenet may not be true :)


 

 

 

 
DP548 Series Specifications
Inputs Electronically balanced (transformers optional)
AES/EBU (selectable) 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 < 60ohms
Minimum Load 600ohm
Maximum Level +20dBm into 600 ohm load
Sampling Rate DP428 – 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

Weight 3.5kg. Net (5kg. Shipping)
Size 1.75”(1U) x 19” x 12” (44 x 482 x 305mm) excluding connectors

Due to continuing product improvement the above specifications are subject to change.
 
     

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