ARP Pro/DGX

ARP Pro/DGX Image

The Pro/DGX is a thirty preset monophonic analog synth based on the Pro-Soloist of the 1970's. The main difference is that the Pro/DGX had electronic switching (touch buttons) between its preset sounds whereas the older Pro-Soloist had circuit-based switching (rocker switches). It has 30 preset sounds to choose from, including Flute, Bassoon, Brass, Fuzz Guitar etc. Other features included pitch, portamento, vibrato, growl and wow effects. The keyboard has 37 keys with aftertouch sensitivity for volume, brilliance, vibrato, wow, growl, and even bend effects (all at once if you desire!). A few basic filter, envelope and LFO controls allow some tweaking of the preset sounds, however there is no memory to store your settings.

ARP Pro/DGX Image

The Pro/DGX sounds slightly different than the Pro-Soloist however. The presets are virtually the same, but the Pro/DGX implemented a new filter design which some say sounds worse than the one used in the Pro-Soloist. Both synths refer to their single filter control (the filter cutoff) as "Brilliance". A few additional control sliders are available for the Volume, Portamento Time and Aftertouch Amount. Later on during its production, the Pro/DGX was released with the "Orange+Black" look of later ARP synths. It has been used by Tangerine Dream and Keane.

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13 Visitor comments
Marty Gelhaar
April 27, 2009 @ 9:08 pm
Kansas keyboardist Steve Walsh also played the Pro/DGX live, and it can be heard on their "Two For The Show" live album.
knobexploit
September 10, 2008 @ 12:18 pm
The MK1 id the same on the inside as the Pro Soloist, same filter etc, sounds as great as the Pro Soloist but some say it sound worse.
I have had the chance to do a 1 on 1 and to me they sounded the same, except from the Pro DGX being slightly more cleaner, less noisy.

The MK2 Pro DGX is on its own and cannot be compared to the MK1 Allthough it does not sound as good as say the MK1 it still has character and cannot be dismissed as a bad sounding machine, great for doing scores for TV commercials due to its classic preset layout and snappy character. Funny sound.
gkeys409
August 18, 2008 @ 5:27 am
What a great little synth! Although mine doesn't work anymore, it was a great keyboard and totally controllable with just your playing style. Being able to program modulations and more thru aftertouch made it easy to play live and still be able to play another keyboard. Just a total, versital synth. I'd give it a 9 out of 10... the sound is a bit dated and limited but still... that aftertouch was more than useful!
 
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  • Check Prices on eBay
  • The link above will take you to a search for this synth to see active listings. If you don't find it there, try looking in our forum marketplace or post a wanted classified.
  • Demos & Media
  • Audio Clip 1 - This demo plays through several of the preset sounds (Bassoon, English Horn, Oboe, Clarinet, Flute, Trombone) followed by a repeated Space Banjo riff.

  • Specifications
  • Polyphony - Monophonic
  • Oscillators - 1 VCO
  • LFO - Yes
  • Filter - Yes with 1 slider "Brilliance"
  • VCA - Yes
  • Keyboard - 37 keys with aftertouch routable to volume, brilliance, vibrato, wow, and bend.
  • Arpeg/Seq - None
  • Control - None
  • Date Produced - 1977-1980

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