- Summary The (linear arithmetic)
- Bitimbral, 16-voice polyphony in Whole, 8 dual and split voices.
- Rack
- 64 sounds in memory 64 of ROM or RAM card
- All the sounds are editable from the front, we must return to sub menu
is not great, on the other hand if there is a PG-1000 for the programmed, GENIAL!
can also be used on pc utilities.
- Extension of sound card or ram rom.
- Connection classical MIDI IN, OUT, THROUGH, and L and R audio output.

UTILIZATION

No one in terms of ergonomics, it's a rack with a front face austere, to access the synthesis, is through sub menu, it's heavy!
There are a programmer PG-1000, which is only used to program more easily D-550.
With that we can better understand the mechanism of LA Synthesis
There are also sound editor for D-550 for PC, Mac and Atari.

SOUNDS

So for the sound, it's terrible!!
It uses the LA synthesis which consists of samples used for the attack on its ally has a powerful subtractive synthesis, the result is amazing!!
he excels in the sound pad, tablecloths, brass, he even sounds analog!
It is very powerful, very rock, yet it is a digital synth, but it has a grain, a tab that you do not forget.
No wonder Jean Michel Jarre, Peter Gabriel, Depeche Mode and others are adopted.
Personally, I am the best synth Roland has done is truly a legend!

OVERALL OPINION

it's been nine years since I possess, I have a version for the double keyboard with my rack, because it has a default, and bitimbral, but hey it's not very serious.
If it again I would buy without hesitation, I never part with it!!