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Dave Jones O'Tool Plus Is A Video Synth For Eurorack
Rounik Sethi on Wed, May 11th 0 comments
There’s a handful of video synthesizers available like Critter & Guitari's Video Synthesizer and Ming Micro, but we believe Dave Jones O’Tool is the first we've encountered as a Eurorack synth module.

You know if Richard Devine is excited about a Eurorack module, then it’s going to be really exciting for the rest of us synth lovers too! The new Dave Jones O’Tool + (oscilloscope, audio meters, spectrum analysers and more) is the first in their new series that brings video synthesis and audio tools in Eurorack module format. 


O'Tool Plus video synth Eurorack module.

O'Tool Plus video synth Eurorack module.

Here’s the details of the O’Tool Plus straight from the Jones Video website...

11 May, 2016–Coming out at the end of May 2016, the new Jones O'Tool Plus oscilloscope and audio tools eurorack module.

Two years in the making, it is finally ready. A greatly improved version of the original O'Tool module, with temperature stable readings, extreme accuracy, added modes, upgradability, and more.

  • Single channel oscilloscope
  • Dual channel oscilloscope
  • 3D oscilloscope
  • X/Y display
  • Level meter
  • VU meter
  • Peak meter
  • Voltmeter (with p-p and average DC)
  • Frequency meter
  • Tuner (guitar tuner style)
  • Linear spectrum analyzer
  • Log spectrum analyzer
  • Spectrogram
  • BPM meter
  • Metromome
O'Tools Plus visual options 1
O'Tools Plus visual options 2

It includes user configurable settings and can remember settings at power up for three users. That means you can have different settings for home, studio, and performances, or any three different sets of settings.

It is temperature stable and extremely accurate. It can monitor two signals, with inputs looped through to other modules. The scope modes include an external trigger option.

It is firmware upgradable. It has a jumper for internal or external 5 volt source. It has an expansion connector for possible future add-on modules.

Power requirements:

  • 80ma +12v
  • 22ma -12v


  • 12ma +12v
  • 70ma +5v
  • 22ma -12v
  • Width: 8HP
  • Depth: 40mm



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