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Since it is assumed that all Eurorack manufacturer will announce the big news until the Superbooth 2019, Dave Rossum comes with a new module for the NAMM 2019. The TRIDENT is a new 100% analog, triple oscillator module by Rossum Electro-Music that features a new zing modulation that allows you to modulate each of the carriers outputs with each mod oscillator.
It can be seen as ring modulation but it goes deeper and create very unique timbres and waveshapes. On top, each of three oscillators can be used a single osc or all together. A very interesting new module with an innovative feature set but is for sure not the easiest oscillator to understand!
Overview
And while each oscillator can be used independently if desired, it’s when they’re combined into a synchronous ensemble that the real sonic magic happens.That magic is what we call Zing Modulation. Each of the Modulation Oscillators can modulate each of the Carrier outputs in an amount controlled by the Zing parameter.
Zing Modulation is mathematically akin to ring modulation, but due to the synchronization of the oscillators (when an oscillator’s Sync button is on), the aharmonic sum and difference sidetones of ring modulation transform into complex but purely harmonic overtone spectra, which vary dynamically and dramatically with the frequency and waveshape modulations of the modulation oscillators. Each change in the Modulation Oscillator parameters – Frequency, Symmetry, Waveshape, Zing, and (in the case of Modulation Oscillator 2) Phase – will have a different effect on the timbre of each of the three Carrier waveshape outputs.
When the modulation oscillators are set to track the carrier oscillator, the waveshape will remain constant as the carrier frequency changes.In this case the overtone structure is determined by the settings and CV modulations of the modulation oscillators.If instead the modulation oscillators do not track the carrier, some of the overtone structure will vary relative to the carrier frequency.
What all this means is that whether you take advantage of Trident’s unique synchronous modulation capabilities (which you, of course, should), or just treat it as three superb, wide-range analog oscillators, TRIDENT offers a vast variety of dramatic sonic textures.
TRIDENT features:
Three precision analog oscillators with dedicated 1V/Octave inputs and coarse control ranges of 20Hz to 20kHz and modulated ranges of 0.01Hz to 25 kHz.
Main Carrier oscillator with simultaneous triangle, sawtooth and pulse waveforms, with exponential and linear frequency modulation and pulse width modulation.
Main Carrier oscillator hard sync input
Modulation Oscillator 1 with selectable triangle, sawtooth and pulse waveforms with exponential frequency modulation, variable symmetry and symmetry modulation, and variable Zing level and Zing level modulation.
Modulation Oscillator 2 with selectable triangle, sawtooth and pulse waveforms with exponential frequency modulation, variable symmetry and symmetry mod, variable Zing level and Zing level mod, and variable phase and phase mod.
Both Modulation Oscillators with independently selectable options to sync to the Main Carrier oscillator and track the Main Carrier oscillator
Trident, like all Rossum Electro-Music modules, features solid construction, with thick aluminum panels, solid aluminum knobs, and quality components throughout.
TRIDENT is 30HP wide and 25mm deep. Power requirements (max): 250mA +12V, 225mA -12V. Reverse polarity protected.
It will be available this spring from Rossum Electro-Music dealers worldwide.
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