MATRIXSYNTH: Trogotronic 676M Tube Oscillator Eurorack Module


Wednesday, June 19, 2013

Trogotronic 676M Tube Oscillator Eurorack Module

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via this auction
Perfect Circuit Audio (RSS)

"A compact valve synth capable of the spectacular analog displays that make high voltage tubes essential for any serious electronic music aficionado.

In rare moments of clarity we’ve long glimpsed a brutish dream burning in the solder smoke: A compact valve synth’ capable of the specular analog displays that make high voltage tubes essential for any serious electronic music aficionado. Now the low hanging fruits of our labors are within reach & truly rotten to the core

Yes: “high voltage”—no small task for a euro module. Reason being: even the best euro format power supplies were never intended for providing “B+” (arcane engineer speak denoting High Voltage feed for vacuum tubes). Rather than compromise both the operating specs of the tube & capacity of your modular’s power supply the M Series 676 ships with it’s own. Simply plug in the included wall-wart, give the tube a few seconds to warm up & voila! Tangled in wires already? We get it, and in addition to the power jack on the face there’s another power tap hidden on the rear of the module should you want to get crafty to keep things clean. The advantage is twofold: no capacity is taken from your existing supply and the vacuum tube employed is a common model in current production (so there is no worry should it require replacement after many years of faithful service).

Like any Trogotronic worth its salt the 676 Fury’s functions are not conservative… Meaning, while there are two Main Oscillators, other parts of the circuit can command more complicated frequencies in an intuitive manner. Similarly the Main Oscillators themselves may be applied as filters serving to broaden the utility of the instrument even more so. With regard to BOTH mayhem AND stability 676 Fury’s switch settings offer different parameter reactions: Toggles “down” Oscillators & Track navigate pitch black F-5 electron turbulence; Switched UP same controls “play nice” in crimson livery with accordance to classical form.

Features

All Analog Circuit
2 Main-Oscillators
2 Amplifiers
2 Unique Filter/FX parameters (Drive & Modulation)
Input for use with other audio elements
5 Modular compatible CV inputs for patchable parameter control
1 Master Frequency Control of Oscillators: Track
3 Stabilizer Switches (on for stability, off for mayhem)
Slovakian Max. Gain, Twin-Triode Vacuum Tube run at high voltage
2013 M676 Is Even Better Than Original

Reduced Depth: More Than One Inch More Clearance
Better CV Compatibility: 0 to +5v w/Discrete Onboard Attenuators
Improved Tracking: Revised Performance Osc. Track Parameter
Refined Layout: Allows Tool-Free Access to Vacuum Tube
Improved Pricing: Quicker Assembly = Nearly $30 Off Original Price"

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