Casio CZ/ VZ/ FZ - Pro Series

This is the situation now where active components are very cheap, probably in 80-90 the most expensive components were the Ics compared to a ferrite inductor the last was the cheaper solution.


Inviato dagli anelli di saturno



> On 16 Mar 2015, at 19:11, gordon@... [CZsynth] <CZsynth@yahoogroups.com> wrote:
>
> On Mon, Mar 16, 2015 at 10:41:25AM +0100, Carlo carlojazz@... [CZsynth] wrote:
> > Many synth of the same era use LC filters to take away the sampling frequency from the signal, is the most efficient way, no distortion (for those little signals) and no noise added by other opamp or transistor stages and easy to tune
> >
>
> They can't have been cheap though, compared to a conventional active lowpass filter. Maybe the lower parts count (ie. less board-stuffing) made up for it.
>
> --
> Gordonjcp MM0YEQ
>
>