3 ms·
> I've wondered about the effects of 60 cycle hum. If 440 is an A If practicing an area with electrical hum, tuning A down to 420 (7 * 60) is definitely a reli
by Maursault 5y ago
> I've wondered about the effects of 60 cycle hum. If 440 is an A
If practicing an area with electrical hum, tuning A down to 420 (7 * 60) is definitely a relief.