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schippmann
cs-8 series omega-phi

price : $899.00



 

the current thru-zero2 ω-δφδτ high performance vco omega-phi of the cs-8 series is a so-called thru zero oscillator to the power of 2. oscillators of this type are able to process negative control voltages (thru zero) to produce "negative" (phase reversed) frequencies.

with that technical difference to normal oscillators there are arising extremely significant properties! in comparison to normal oscillators for thru zero oscillators the modulation result will be kept harmonic independently of the modulation depth (index). in other words true fm synthesis is possible with that!

the ultimate feature of the omega-phi, moreover, is the capability of an additional true phase-modulation section. it is connected downstream to the oscillator core. the sound aesthetic is very similar to fm. because of the downstream architecture the possibility of simultaneously processing sound synthesis arises to create pm sounds (phi section) and having at the same time clean standard waves at the core outputs (omega section) for further synthesis. a lot of potential is given by that!

moreover, there exists a number of synchronization possibilities, very interesting intermediate states between "thru zero" and "normal", a by one octave decimated sub frequency wave and apart from pwm a mighty phasing effects producing saw-tooth wave-shaping with 1-2 octaves-up effect as well as at last a super quite sine-wave.

furthermore, the frequency range can be selected very quickly and reliable by a 4-pole rotary switch and a toggle switch over seven octaves and from there another 1 octave, as well as 100 cents. the finally frequency range reaches from a couple of hundred seconds to umpteen kilohertz (fmin = 0.001 hz to fmax = 300 khz).

the oscillator has, thanks of absolute high-tech-components, a very high octave linearity, finest temperature stability and because of its extremely low phase-noise (jitter) an extraordinary pure and powerful sound.

design and implementation meet highest technical standards concerning usability, sound quality, and electromagnetic immunity. the entire design and production work was done in germany. have fun!

download the owners manual here.

audio samples:
sample one - demo stereo: left->fm (omega), right->pm (phi), sometimes l+r in mid; waves: rect, saw (w, w\o waveshaping), tri, sine; effects: phasing, fm, pm, syncs; sources: 1 sine-vco & 1 lfo up to 500 hz

sqample 2 - stereo: carrier: omega-phi, source: sine-vco, modulation: 2 lfo's

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