Summary of Contents for Rossum TRIDENT
- Page 1 TRIDENT Multi-Synchronic Oscillator Ensemble Operation Manual _042419_v5 Copyright 2019 Rossum Electro-Music LLC www.rossum-electro.com...
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Page 2: Table Of Contents
Contents 1. Introduction 2. Module Installation 3. Overview 4. Basic Functionality 5. Make Some Noise! 6. The Carrier Oscillator in Detail 7. The Modulation Oscillators in Detail 8. Specifications 9. From Dave’s Lab 10. Acknowledgements... -
Page 3: Introduction
In the unlikely event that you have a problem Multi-Synchronic Oscillator Ensemble. This with your Trident, tell us about it here: manual will give you the information you need to get the most out of Trident. The http://www.rossum-electro.com/support/ manual assumes you already have a basic support-request-form/ understanding of synthesis and synthesizers. -
Page 4: Module Installation
2. Module Installation As you will have no doubt noticed, the rear of Trident is a circuit board with exposed parts and connections. When handling Trident, it’s best that you hold it by the edges of the front panel or circuit board. It’s not particularly... -
Page 5: Overview
The dynamic timbral textures. Modulation Oscillators also have a voltage At its most basic level, Trident is three controlled Symmetry parameter which precision audio VCOs, each sporting a varies the duty cycle of the triangle wave unique variety of control voltage inputs. - Page 6 If instead the modulation oscillators do For a substantially more in-depth exploration not track the carrier, some of the overtone of Trident’s technology, be sure to check out structure will vary relative to the carrier “From Dave’s Lab” in Chapter 9.
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Page 7: Basic Functionality
4. Basic Functionality Zing Level and Zing Modulation Before we jump into individual functions in detail, let’s take a quick look at Trident’s (Mod Oscillators) controls. Coarse and Fine Frequency Controls an oscillator’s initial frequency over a range of 20Hz to 20kHz. Modulated ranges are from 0.01Hz to 25kHz. - Page 8 Outputs The Carrier Oscillator provides simultaneous triangle, sawtooth, and pulse outputs. The Mod Oscillators each have a single output with selectable waveforms.
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Page 9: Make Some Noise
5. Make Some Noise! If you’ve already followed along with the Make Some Noise! section of the printed Trident Quick Start Guide included with your module, you can skip this chapter and go directly to the next. However, if you haven’t,... -
Page 10: The Carrier Oscillator In Detail
VCO, but it truly comes alive as the target of summed with the value Zing Modulation by one or both of Trident’s of the Coarse and Fine Modulation Oscillators. Frequency controls and the 1V/OCT input. - Page 11 The PW MOD input is a control voltage input passed to Trident. As the knob that is modified by its associated attenuverter is turned clockwise, the amplitude of the to allow CV control of the pulse wave’s control voltage increases until, at maximum pulse width.
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Page 12: The Modulation Oscillators In Detail
7. The Modulation Oscillators in Detail Like the Carrier Oscillator, Trident’s two With that being said, if you monitor the modulation oscillators can serve as full- output of Mod 1 while it is serving as a Zing function, stand-alone oscillators with... - Page 13 A TIP: controls described above (and the Phase Sawtooth: Varies the waveform from a control described below), Trident really sawtooth with a downward kink in the middle comes alive with dynamic timbres. The (at the fully counterclockwise position) to a Modulation Oscillators’...
- Page 14 Track for the two Mod Oscillators, and get Zing-like effects with some extra timbral tuning (or detuning) the three oscillators as motion in the sound. desired. Since Trident is ANOTHER NOTE: AUDIO OUTPUT 100% analog, your Sync setting is not remembered when the module is turned Each Modulation Oscillator lets off.
- Page 15 MODULATION OSCILLATOR 2 Modulation Oscillator 2 is identical to Modulation Oscillator 1, with the exception that it provides an additional CV controlled parameter: Modulation Phase. PHASE and PHASE MOD The PHASE control lets you vary the phase of the Mod 2 Oscillator relative to the Carrier Oscillator when Mod 2 Sync is enabled.
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Page 16: Specifications
8. Specifications CARRIER OSCILLATOR ATTENUVERTED SYMMETRY MODULATION CV 1x 3.5mm mono socket CONTROLS 100kΩ Input Impedance Coarse Frequency Fine Frequency ATTENUVERTED ZING LEVEL CV Pulse Width 1x 3.5mm mono socket SYNC IN 100kΩ Input Impedance 1x 3.5mm mono socket AUDIO OUTPUT 100kΩ... - Page 17 POWER REQUIREMENTS +/-12V (+/- 2.5%) via 16-pin, Doepfer-style connector CURRENT DRAW 290mA +12V, 270mA -12V (maximum) DIMENSIONS 30HP (W); Panel to power connector (with connector plugged in) 25mm (D) SUPPLIED ACCESSORIES 1x 16-pin, Doepfer-style cable 4x M3 screws 4x M2.5 screws 4x Nylon washers 1x Quickstart Guide...
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Page 18: From Dave's Lab
Rossum Electro module output every time. So the output of two is accidentally plugged in backwards,... - Page 19 Here are some examples of the bizarre waveshapes coming out of Trident. The yellow waveshape is the carrier oscillator with Zing modulation; the green is the original carrier waveshape.
- Page 20 Finally, I realized that I’ve never seen anybody play with the phase relationship between hard synced oscillators. Combining that with Zing modulation gives even more voltage controlled timbral variation. These waveforms differ only by the phase of the MOD 2 oscillator!
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Page 21: Acknowledgements
10. Acknowledgements A number of wonderful people generously provided help, advice, encouragement, and inspiration during the development of Trident. Many thanks from the Rossum Electro-Music team to: Patrick Aurelio Richard Devine Nancy Enge Mihai Ionescu Kurt Kurasaki William Mathewson David Phipps...
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