Dedicated clock module for Eurorack - easy DIY build

This is a simple clock module to drive your synth sequencers and switches. All CMOS based, no microprocessor so it is easy to build and test. It is one of our easiest through hole builds.

If you are currently using a VCO or LFO as a clock generator, you can use this module to free that up.

  • Push start/stop switch
  • Rate adjustable over two ranges
  • Three clock outputs to save your multiples
  • Highly customizable - easily change ranges and output levels
  • 4HP Eurorack with our panel

With the capacitor values suggested, the approximate clock frequencies are:

HI: 1.35 Hz to 68 Hz
LO: 0.1 Hz to 6 Hz

R14, R15 and/or trimmer R16 set the clock output pulse voltage level. The following options are suggested:

10V pulse: R14 = 1.2K, R15 = 11k, R16 OMITTED
5V pulse: R14 = 1.8K, R15 = 1.5k, R16 OMITTED
VARIABLE PULSE LEVEL: R14 = 1.5k, R15 OMITTED, R16 = 50k Trimmer

  • ? mA +12V
  • ? mA -12V
  • ? mA 5V
  • 37 mm deep

Module is available as a DIY project only.

This Module is currently available.

$20 Price in € submitted Feb 3rd 2018, 23:43 by jnfrench | last Change Feb 3rd 2018, 23:44 by jnfrench
Specs are approved by the manufacturer