The Steffcorp 2600 VCO is an analogue oscillator with full voltage control based on the 4027-1
’VCO-2’ oscillator used in the ARP 2600.
It’s not just a copy however, we have gone to great lengths to bring it into the 21th century.
A much needed precision reference voltage was added, as well as buffers and a few other goodies.
Going SMT offered the means of improving the PCB-layout even further, as well as a selection
Of easy-to-source parts.
No more treasure hunts and extravaganza prices.
On top of this, a good bit of time was spent on analyzing and comparing modern parts to find the best matches of the original part specifications.
not supported by me anymore ask google
or as Excel list:
a rare part kit is availble here: (Tempco, LM3046M)
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