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"The D-50 is an all-time favorite digital synth that's still just as popular today as when it first came out in '87. Once Roland's hottest digital synth, it competed against the Yamaha DX7, and was much easier to use. By joining 8-bit PCM samples with "LAS" synth-generated sounds, the D-50 is capable of unique and complex sounds. The PCM samples contained the attack transients, while the rest of the sound came from the Linear Arithmatic Synth (LAS) section which sounds very analog, with subtractive-style synthesis and low-pass-resonant filters. Built-in chorus and (for the first time) digital reverb are also included for giving your sounds space and life! It also has a joystick controller for real-time timbre manipulation. The D-50 was great for new and non-acoustic, percussive, ethereal and beautiful pads & sounds.
SPECIFICATIONS* Polyphony - 16 voices (32 partials with 2 per voice); 8 voices (using 4 partials per voice in Dual or Split Mode)
* Oscillators - Digital LAS (Linear Arithmetic Synthesis) & PCM, 32 osc.
* LFO - YES (3 x 2tones = 6 LFOs)
* VCF/VCA - FILTER: low-pass-resonant; AMP: ADSR envelopes
* Effects - YES
* #Instruments - Monotimbral (can be upgraded for multitimbrality)
* Keyboard - 61 note keyboard with velocity and aftertouch
* Sequencer/ARP - None
* Memory - 64 patches
* Control - MIDI"
You probably already have one of these... it's called Atmosphere.
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