Thursday, April 11, 2013

Doepfer A-127 VCRF Re-Design

I almost missed this between all Doepfer's other MusikMesse announcements;
As of April 2013 the Voltage Controlled Resonance Filter A-127 is available in an improved version.
Instead of the CA3080 chip (not available anymore) that was used in the original versions, new high-end circuits (SSM2164) are now used.

Doepfer A-127 Triple Voltage Controlled Resonance Filter
"The SSM2164 chip contains four independent voltage controlled amplifiers (VCAs) in a single package. High performance (100 dB dynamic range, 0.02% THD) is provided at a very low cost-per-VCA, resulting in excellent value for cost sensitive gain control applications.
Each VCA offers current input and output for maximum design flexibility, and a ground referenced -33 mV/dB control port."

A-127 + Expander
This is probably the Doepfer filter that i use the most, and the brand new re-design also promises to reduces the noise floor and the distortion clearly, according to Doepfer.
(The noise that i never really noticed before...)

The price of the new A-127 VCRF remains unchanged.

Check out how to make an A-127 expander module HERE.

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