The three phase power supply is pure Ayre. There are three amplifiers, one for each phase. "Essentially, they are mini-MXRs," said Silberman. They are 120 degrees out of phase with one another, and we need to tune each one with a stethoscope to achieve absolute pitch stability. The result?
"Put your finger on the motor housing," Silberman demanded. "Can you feel any vibration or motion?"
No, we couldn't.
Oh yeah—it also sounded good.
