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Doepfer

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Re: AW: [Doepfer_a100] Frequency Shifter

2014-11-14 by Neil Kagan

Thanks Dieter,

I know it's a stupid question but will the external oscillator be patched via the front panel? I don't want to have to make a connection between them internally.

Neil

Sent from my iPhone

> On 14 Nov 2014, at 14:56, yahoo@doepfer.de [Doepfer_a100] <Doepfer_a100@yahoogroups.com> wrote:
> 
> > In the absence of a new A-126, does anyone have an idea of how to create a frequency shifter using existing Doepfer modules?
> >
> > Neil
> 
> I think that's not possible because of the required dome filter. That's a special allpass filter that shifts all frequencise from
> about 50Hz to 10 kHz of the incoming audio signal by 90 degrees). The rest of the job could do two ring modulators, the A-143-9 and
> mixers.
> 
> But we are working on an new frequency shifter (A-126-2) that will include a squelch circuit. The A-143-9 or any other quadrature
> oscillator (e.g. the planned A-101-4) can be used as external quadrature oscillator (i.e. no built in oscillator).
> 
> Best wishes
> Dieter Doepfer
> 
>

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