Eurorack DIY Benjolin, pcb from Tseng Kweiwen.

some modifications based on rob's design:

an external audio input to filter
the pitch is voltage controllable in both oscillator
the frequency of low pass filter is voltage controllable
disconnect t2 to filter (you can still use cable to connect t2 to filter's cv input)
add a spst to switch the current input(p1 or -9~9v voltage with a potentiometer) to bc547

  • 50 mA +12V
  • 50 mA -12V
  • 0 mA 5V
  • 22 mm deep
  • Ø 4.67 (3 Votes) Average Rating

Module is available as a DIY project only.

No info about availability.

$400 submitted Oct 14th 2016, 16:26 by lohacker | last Change Oct 4th, 08:42 by cielux

Date Region Description Price Seller
EUThe overall condition of this *Tseng kweiwen Benjolin* is like new . ###te...€225,00aimo View
USAThe overall condition of this *Other/unknown Benjolin* is *new*. Fresh build ...$275.00usefulnoise View
EUThe overall condition of this *Other/unknown Benjolin* is *like new*. Built w...€270,00sockmonkey View
EUDIY Benjolin in great condition with black faceplate Shipping in EU is 12€€250,00mr.sibs View

6 Users are observing this

Buy Online

These merchants probably sell this module. Huh?


ControlPerfect Circuit AudioDetroit ModularModular Addict