OSCILLARP 1.5, 2600 VCO, VCF 2612, Envelarp and Oscillarp 1.0 are among Steffcorps most popular products.
Steffcorp
A VCO based on the ARP 2600 VCO-2
ARP 2600 VCA
ARP 2600 ADSR & AR
ARP 2600 VCO
ARP 2600 Ringmod & Noise combined in one module.
ARP 2600 4012 Filter
A discrete ladder-filter, based on the ARP 2600 4012 filter
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