Welcome to Infinite Machinery

At Infinite Machinery we specialize in supplying integrated cicuits and components for the DIY audio community.

Free shipping on all USA domestic orders! International shipping $15 flat rate.

COVID19 Status: We are taking orders and shipping as normal.


Featured products

Erica Synths DIY – VCA PCBs and Panel Set

Polivoks architecture inspired dual VCA, rare Russian differential opamps are now replaced with AS3360.


Monolithic Sample-and-Hold Circuit


Micropower Programmable Operational Amplifier

Kassutronics VCO 3340 Kit

8hp VCO from Finnish designer Kassutronics. Utilizing the AS3340, this module supplies saw, triangle, pulse and sine waveforms.


Eurorack ADSR envelope generator based on the AS3310 integrated circuit. Full kit with all components, PCB and panel. An original Infinite Machinery module.

Kassutronics Dual VCA

Dual VCA based on the AS3360.

Kassutronics Ladder Filter Kit

8hp filter with traditional transistor ladder core. Designed by Finnish engineer Kassutronics. This kit includes all components for building this module.


AS3340 - Voltage Controlled Oscillator ( VCO )
From $5.99

Matched transistors

5 pairs NPN matched transistors


AS3350 - Dual Voltage Controlled State Variable Filter РDIP-16 package


The AS3310 is a self-contained, precision ADSR type of envelope generator intended for electronic music and other sound generation applications.


AS3320-Voltage controlled filter (VCF)


AS3394E μP Controllable Synthesizer Voice PDIP-24 package