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Re: [Doepfer_a100] Re: Precise frequency meter

2014-11-07 by Nicholas Keller

Thanks, I think.



> On Nov 7, 2014, at 11:19 AM, "Florian Anwander fanwander@mnet-online.de [Doepfer_a100]" <Doepfer_a100@yahoogroups.com> wrote:
> 
> Hello
> 
> Am 07.11.2014 17:11, schrieb Nicholas Keller maq163x2@gmail.com 
> [Doepfer_a100]:
> > Right, I just meant that I'd like to be as precise as possible when
> > calibrating 1V/oct scale
> I think I repeat my self every two weeks on that topic:
> 
> Doing the 1V/oct calibration with a frequency counter is quite stupid, 
> because after each turn of the scale trim you have to readjust the 
> offset trim. It makes it an endless game.
> 
> Instead: Use a tuner with a needle meter. Adjust only the scale and only 
> look at the fact, that the needle no longer jumps when you do octave 
> jumps (don't care for the absolute tuning). When you have reached the 
> clean octave jumps, you set the offset once and you are done. With this 
> method I can adjust a OB-Xa (16 VCOs!) within one hour.
> 
> Florian
> 
>

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