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Rossum Electro-Music Trident

Eurorack Module By Rory Dow

Rossum Electro-Music Trident. Size: 30HP. Current: +12V 290mA, -12V 270mA.Rossum Electro-Music Trident. Size: 30HP. Current: +12V 290mA, -12V 270mA.

Much like the mythical spear wielded by the God of the Sea, Rossum Electro-Music's Trident is a three-pronged weapon designed for significant damage. Oh, and it has Zing!

Ever since the Minimoog, three has been the magic number. The Trident offers three analogue oscillators, which can be used separately if you wish, but what's distinctive about it is the internal cross-modulation that can be set up between them.

Visually, the oscillators are arranged in three rows. The top oscillator is the master, or carrier, and underneath are the two modulation oscillators. Each oscillator produces triangle, sawtooth and pulse waveforms. On the master oscillator these are available simultaneously from three separate outputs. On the two modulators, only one waveform can be selected; this is used for both the internal modulation and the oscillator's dedicated output.

The Trident's main trick is in the combination of classic oscillator sync and its very own Zing parameter. Zing is described in the manual as being mathematically similar to ring modulation. Each of the two modulator...

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Published May 2020