Hi, I just bought a farfisa compact duo an frankly, I am in love with it!
But there are some problems. For example: on the upper manual, there are some tone stops settings that doesn't work for a whole octave. I mean, there are 12 keys from C to B (from one octave) that, when using only 16' Bass, doesn't sound at all, BUT if you use 8' (for example) they do sound. This happens on some of the upper manual and multi tone booster tone stops, but they all have this problem on the same 12 keys. Those are the only 12 keys that have this problem. lower manual works perfectly on its 3 tone stops.
Also, percussion works only for the bass manuals, but for upper and lower it doesn't. Do I have to replace the bulb?
I also would like to tweak it so the bass manuals cover a lower octave. I mean, I want to move their pitch down a whole octave (from f to f/2) so the bass pedals and manuals sound deeper. I don't know if that's even possible. I studied the schematics and noticed that maybe if I do that, the lower keys on the upper manual will lower their pitch too. Am I right?
Well, thanks a lot for your help!!