System X Filter DIY

The classic Roland 100M VCF redesigned to use 2 x LM13700. The LM13700’s internal buffers are not used, instead FETs are used as per Roland. Project includes the addition of 12dB/oct output and instructions for how to achieve highpass and bandpass in addition to the stock 24dB/oct lowpass. The PCB is designed to fit nicely into your Euro system. PCBs and finished front panels are available from myself.

SysXVCF Build

SysXF DIY panel


System X Filter VCF PCB: £15 GBP

System X Filter VCF panel (10HP): £15 GBP

Build documentation: System X Filter Ver2 Build Doc

For orders and queries please contact me at:

[email protected]