SEM VCF FILTER
thanks to moogah from muffs.
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change the 300pF kerko to silver mica 300pf (Glimmer Kondensator)
For the moment I'm just getting this thread together as a placeholder, look for more detailed info soon!
Link to BOM: - please use my above BOM !!
https://docs.google.com/file/d/0Byb1hJRK5lw6OU9ZRmpGVy1yM1U/edit?pli=1
Link to Synthcube site for ordering:
http://synthcube.com/cart/index.php?route=product/product&product_id=1 77
General
Link to original thread:
http://www.muffwiggler.com/forum/viewtopic.php?t=69431
The PCB with component values:
The original schematics (page 6), all components not marked with a '$' are the exactly the same as the original with this layout.
http://www.synthfool.com/docs/Oberheim/Oberheim_SEM1A/Oberheim_SEM_1A_ Schematics.pdf
If you orient the board so power is lower right- the order for the transistors from top to bottom is as follows:
2n3904
2n3906
2n3906
2n3904
The 2n4302's go into the two unlabled spots in the middle of the board using only 3 of the five holes
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