Two59 Complex Oscillator PCB/Panel Set

TWO59 is a complex oscillator consisting of 3 modules : two identical triangle core vco's (one main vco and one for modulation) and a shaper module.


This is a PCB/Panel set suitable for the Eurorack format


Availability: In stock

$89.99

Details

Details

TWO59 is a complex oscillator consisting of 3 modules : two identical triangle core vco's (one main vco and one for modulation) and a shaper module. 
You have the option to use the VCO independently or two VCOs in conjunction with the shaper module as a complex oscillator. 

Because of the triangle core, the VCO's work very well for FM modulation. 

TWO59 is not a clone of the original 259, but an enhanced adaptation of the classic circuit to eurorack format with many additional features. 
Also our goal was to replace most obsolete parts with current products where possible, to make parts sourcing less problematic. Of course there are a few places where the original parts were essential for correct functionality. 


Some of the features: 
-standalone eurorack modules, so if you want you can only build and use the VCO 
-4 independent buffered outputs that can be used simultaneously with the shaper module 
-more stable core using THAT340 matched pairs transistors which provides a higher correct octave range than the original circuit 
-more trimming options added in the shaper section to make tuning easier 


This is a highly complex project, it is not recommended to beginners. You need some skills and experience with previously built projects. 
Also this project involves many expensive parts. Before deciding to build it we recommend to consult the BOM list and the build docs to have a better idea about the complexity of the project. 
An oscilloscope, a multimeter and a frequency meter are essential to make the building and calibration process easy. Calibrating by ear is not an option if you want the complex oscillator to work correctly. 

Specs & Downloads

Specs & Downloads

manufacturer FEEDBACK
HP 35
Depth 49.5mm
+12V 230 mA
-12V 130 mA
+5V No
Additional Resources BOM & More Information

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