[UPDATE]
LM301 Through Hole version, was pulled out of production. It became very hard to find.
We made a stock of LM301 THT version and we included it in KIT2 and KIT3 without changing the price of the kits.
FOR ORDERING AND PROJECT INFORMATIONS USE THE MAIN THREAD :
viewtopic.php?t=169990
TWO59 VCO is a triangle core VCO with 4 buffered independent outputs : SINE, TRIANGLE,RAMP AND SQUARE.
As a triangle core VCO, it is very suitable for FM modulations.
2 VCO'S together with one SHAPER unit can work as a complex oscillator.
The connection between the modules is done using two 10 core ribbon cables.
This is a highly complex build, so take your time studying this manual before building,some of the details may help a lot
in the building process.
THE SINE TRANSISTOR (2N4339 OR EQUIVALENT 2N5457) SHOULD BE SELECTED FROM A LOT.
NOT ALL FET TRANSISTORS WILL GIVE A CORRECT SINE SHAPE. ALSO TWO RESISTORS FROM THE SINE SHAPER SHOULD BE ADJUSTED BASED
ON THE TRANSISTOR GAIN. YOU WILL FIND MORE DETAILS IN THE MANUAL.
We tried to make the whole experience as easy as possible and give as much information as needed to avoid confusion.
We also provide additional documents like BOM lists (PDF and XLS), images with part values,
and photos of the construction in various stages.Feel free to download the whole pack and have fun.
Audio demos :
The sound clicks are from computer latency, not from the modules
Somehow I forgot to record the ramp wave. I will record it soon.
https://soundcloud.com/strat1/two59-square
https://soundcloud.com/strat1/two59-triangle
https://soundcloud.com/strat1/two59-sine
https://soundcloud.com/strat1/two59-shaper-basics
https://soundcloud.com/strat1/two59-shaper-modulations
https://soundcloud.com/strat1/two59-two59s-on-the-bread
This demo uses the power of 2 Full modules and one additional VCO (5VCO's in total)
-The starting bass line panned to the left speaker is a triangle wave passing to a jupiter8 filter module, to know how will sound affected by a VCF.
-The second line panned more to the right is the ouput of one shaper directly to a VCA. I turn the timbre slowly in various points of the song.
-For the other two lines I used some spring reverb.
-The ending is with pitch (fm) modulation ON.
-All the VCO's stayed in tune for a period of 3 hours until I closed the system.
