Trogotronicm/679 Gran Fury Tube Synth


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Trogotronic m/679 Gran Fury

The Trogotronic m679 Gran Fury Tube Synth/FX module builds on the legacy of its predecessor, the m/676 Fury, by offering more oscillating power, more CV control, and a synth bypass mode that allows the module to perform as a tube distortion unit. The m/679 contains a total of fifty-five internal patch combinations, which are accessible via five dedicated toggle switches. Its triple oscillator section features vactrol and CV inputs for a resolutely analog sound with maximum control capability. 

m/679 Features

  • All Analog Circuit
  • Audio Input for synth Modulation
  • Oscillator Bypass Setting for use as Tube Distortion FX
  • 3 Main-Oscillators with Vactrol CV inputs
  • 4 Amplifier Stages: 2 Solid State + 2 High Voltage Tube
  • 2 Unique Vactrol CV FX parameters (Drive & Modulation)
  • 1 Master Frequency Control of Oscillators: Track
  • 6 CV Input Attenuators
  • 55 Internal Patch Combinations via 5 Toggle Switches
  • Amplifier Boost / Synth-Bypass Switch
  • Compatible w/ Alternate Tubes for Auxiliary Plug & Play Sonic Profiles
  • Slovakian Max. Gain, Twin-Triode Vacuum Tube run at High Voltage
  • Optional External High Current Power Supply Included
  • Eurorack Module
  • 14HP Width
  • Power: 560mA peak, 260mA avg @ +12V (0mA with included external supply)
  • 53mm Depth


  • Owner Card
  • Full Color Sticker
  • Full Color Printed Instruction Sheet
  • High Current AC Power Supply
  • Power Cord Velcro Wrap
  • 4 stainless euro rack allen head bolts
  • USA Made Hex Driver Tool
  • Velcro Power-Cord Wrap
Trogotronic m/679 Gran Fury Tube Synth Reviews