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via
this auction
via the listing (link to audio demos below): "This monster has also just been outfitted with the new and super secret, highly classified GLIGLI Teensy++ CPU and firmware upgrade, which basically makes it better than a Prophet 5!!! I'm Including links and samples of the mod, but it unlocks the true potential of the Prophet. This is the forst and only GLIGLI equipped 600 on the market! The 600 is one of my absolute favorite synths of all time. It is just mean and big and powerful and NASTY! It is so versatile, unique and relatively inexpensive, I have no idea why you would buy a prophet 5. Wicked filters, poly-mod, (like cross mod on a korg mono/poly, -my other fave synth) and 100 patch memory and midi; this beast has it all. HUGE pads, SEARING leads (especially when in unison), and earth shaking basses. WOW. With the upgrades? WOW WOW."
The upgrade features:
Non-destructive firmware drop-in replacement of the new firmware.
Greater resolution of many of the sound parameters with an improved refresh rate that is making the instrument much more responsive.
Faster, smoother amplifier and filter envelope generators supporting four different modes:
Fast Linear
Slow Linear
Fast Exponential
Slow Exponential
A new LFO function generator with a wider range from one cycle every to about 60Hz with four new waveforms in addition to the original triangle and square including sine, random stepped, noise (like on the original Prophet 5, but non-periodic) and sawtooth (ramp up)
Multiple keyboard modes including:
Poly first note priority
Unison (all voice) Hi-key priority
Unison (all voice) Low-key priority
Solo (one voice) Hi-key priority
Solo (one voice) Low-key priority
Mix Overdrive which now allows the output from both oscillators to drive the mix
Pitch Wheel interval selection of plus/minus one octave, a minor third and a fifth
Pitch Wheel reassignment to the VCF and Volume or off
Modulation wheel intensity setting from Maximum to Medium to Minimum
Full Midi In control including:
Amp and Filter velocity sensitivity with an external keyboard controller
Continuous Controllers (CC) of all sound parameters
Program change (PC) to choose current preset
A new and improved tuning procedure
Chromatic and free Oscillator course pitch control
Plus/Minus setting for Oscillator Fine Tune and Filter Envelope amount for Poly Mod and Filter
Assignable, Random And Up/Down Arpeggiator
Debounce feature that prevents unintended retriggering caused by the old keyboard
Audio demos previously posted
here.
