Hi all,
Just been checking through the Grandmother manual: I can’t see anywhere that describes how the Grandmother can be tuned…On my Sub Phatty I can go into shift mode and launch a tuning process where the instrument is tuned…Does such a process exist for the Grandmother?..Have I missed something???
Thanks all.
I am a synth novice still, just reaching out to all you experts out there.
Thanks,
Diode.
Most synths without a patch memory don’t have a tuning process. They are calibrated via trimmers inside. These often don’t need to re calibrated for years.
Please give the analog synths at least 15 min to get in stabil tuning after its switched-on.
The Sub Phatty, I own one, got a patch memory. So every parameter is not set via direct changes of a potentiometer resistor, but via a little computer measuring the pots position and giving a digital data to a digital to analog converter and then different voltage to the analog sound circuits to change the parameters. And because there is a computer inside and the parameter data can be changed according to a calculated calibration/tuning measurement, it features a tuning and calibration process.
All these real pure analog synth got no tuning process:
the classic Minimoog, Micromoog, Multimoog, Moog Prodigy,
Hi till,
Thanks for your informative reply.
I am a complete novice still, so that was really helpful to understand the difference between vintage analogue and the modern digital take on synths when it comes to tuning.
Regards,
Diode
I distinctly remember reading the calibration routine in my Matriarch manual but now that I’m looking through the pdfs on the Moog website I can’t find it. So now i have no idea where I read it 
anyway this should be what you’re looking for: https://www.sweetwater.com/sweetcare/articles/moog-grandmother-calibrate-and-update/