[sdiy] Unique sounding modules that can't have voltage control?

[Gordonjcp]

On Thu, Feb 08, 2024 at 11:57:41PM +0000, Mike Bryant wrote:
> I'd hate to add any sort of servo to change the motor speeds in a Mellotron.  They were flaky enough as it was.
> 

It's a synchronous motor, so you'd just run it off a cheap'n'cheerful VFD, similar to what you'd use to run a lathe at smoothly variable speed.

-- 
Gordonjcp