MATRIXSYNTH: New Joranalogue Generate 3 Through-Zero Multiphonic Signal Generator

Wednesday, May 08, 2019

New Joranalogue Generate 3 Through-Zero Multiphonic Signal Generator

via Joranalogue

"The crazy synthesiser gathering that is Superbooth is upon us once again! It's held from 9-11 May in FEZ Berlin, Germany.

As last time, you can find the Joranalogue booth next to the main entrance, with the full Eurorack series ready for you to try. This year you can also attend a 'Gesprächskonzert' (lecture concert) to find out more about the design philosophy and what's next to come. See you on Saturday 11 May at 14h in the Cinema!
Since the announcement and release of Filter 8 last year, the calls for a Joranalogue oscillator module have been overwhelming. Not content with just a simple VCO module, the result of our design effort is a truly universal signal generator. Read on below to find out more...

Any signal can be expressed in terms of a few parameters: frequency, phase, amplitude and timbre. It is through modulation of these aspects that synthesists create electronic sound. With Generate 3, it is now possible to create a signal and control all its parameters by through-zero modulation within a single 12 HP wide module.

Everything starts with the exceptionally precise triangle-core voltage controlled oscillator (VCO) at the module’s heart. Through-zero linear frequency modulation (FM) enables rich yet pitch-stable FM sounds, by allowing the oscillator to run backwards into ‘negative frequencies’.

The resultant triangle wave is then processed by the through-zero phase modulator, providing a total phase shift range of 900°. Phase modulation offers an interesting alternative for FM, as it enables deep FM-type tones without actually changing the oscillation frequency.

The timbre of a signal is determined by its harmonic content. This full set of harmonics can be grouped into three main parts: the fundamental, even and odd harmonics. Generate 3’s harmonics generator separates out these three timbral ‘channels’. By adjusting their relative amplitudes, a vast array of different waveforms can be created, including but not limited to the classic sine, saw and square waves.

While the amplitudes can be adjusted manually, each timbral channel supports through-zero amplitude modulation, also known as balanced or ring modulation. When audio-frequency modulation signals are applied, the harmonics become ‘split’, enriching the spectrum.

In addition to all the usual analogue synthesis techniques, the extensive set of modulation options makes Generate 3 especially suited for exploring multiphonic synthesis: a monophonic source creating a complex timbre, much like throat singing, yet by electronic means.

High-stability precision analogue triangle-core VC(LF)O with fine and coarse tuning.
Waveform outputs: core (triangle), fundamental (sine), even (saw), odd and full (mix of timbral channels).
1 volt/octave pitch tracking over the full audio range.
Exponential frequency modulation with polariser knob.
Through-zero linear frequency modulation with symmetry/modulation polariser knob, and AC-coupling and bias switches.
Through-zero phase modulation with 900° of shift range.
Through-zero amplitude modulation of three timbral channels: fundamental, even and odd harmonics.
Two simultaneous oscillator synchronisation types: reset (hard sync) and flip (soft sync).
LF mode for LFO use. Ultra-wide total frequency range: 2.8 mHz (6 minutes) to 27 kHz, a range of nearly 10,000,000:1!
Impedance-compensated outputs with dual-colour LEDs.
Trim potentiometer accessible from the front panel.
Precision-milled 2 mm anodised aluminium front panel with high-resolution, non-erasable graphics.
Bullet-proof design: polarised power header and MOSFET protection circuit.
Includes 16-to-10-pin Eurorack power ribbon cable.
Premium mounting hardware: black screws, black nylon washers and matching hex key.
High-quality components and assembly; designed and made in Belgium.

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