Timo Rozendal Steiner-Parker VCF

Timo Rozendal Steiner-Parker VCF - synthCube


Timo Rozendal Steiner-Parker VCF

Based on the yusynth iteration of the steiner parker filter, new from timo rozendal

Changes from original design: 
- no switch but separate buffered input for every mode (LP,HP,BP), 
- lowpass input is normalled to highpass and bandpass, so you can e.g. transition smoothly between high and lowpass with the knobs 
- 'tweak' resistors are replaced by trimpots 
- added decoupling capacitors for ic's 
- added a flexible footprint for the matched transistors, I tested it with THAT300, AS394 (Letvian LM394 clone), 2n3904 and BC547 (I don't hink the original 2SC1583 will fit) 
- provided panel pcb, so no wiring required 

The inputs have enough gain to overdrive a normal signal in the filter. 
The resonance is still a bit untamed and chaotic and not so useful for melodies (plus it won't self resonate at low frequencies, a known trait of this filtertype) 

our full synthcube kits include the THAT300 matched transistor pair IC and white knobs for compatibility with the red panel/white graphics

discussion thread


On Demand Info

These kits and assembled modules are offered on demand, click the link to learn more.

Module Parameters
Panel Size8HP

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synthCube kit
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Tags: timo, rozendal, steiner, parker, vcf, , euro, trspvcfmstr yusynth diy, synthesizer, kits steiner-parker