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Vintage Synth Repair

Index last updated: 2026-04-28 23:41 UTC

Message

Re: Moog Source calibration.

2013-02-20 by Quazimodo

Jim,
I'm not familiar with the Source... but could you not bring the overall pitch of Osc 1 down a slightly..? Then retune Osc 2 to it?

Just an idea...
Cheers,
TOM


--- In vintagesynthrepair@yahoogroups.com, Jim Blair <ceratos@...> wrote:
>
> Blah.
> 
> Actually, two hours of blah.
> 
> Following the service manual, but no success.
> 
> Anyone have some tips and tricks? It's all about tuning oscillator 2. 
> It's just not stretching sharp enough up the keyboard.
> The front panel Osc 2 calibration doesn't really help much. 
> Internally, in order to even get close, I have to have Scaling and 
> High End Compensation all the way to the left, but the upper end of 
> the keyboard is still flat. No room left to stretch the pitch out more.
> 
> Osc 1 is fine.
> 
> 
> 
> Blah.
> 
> 
> 
> Jim
>

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