Рет қаралды 2,871
PianoSens.com
PianoSens is a breakthrough electronic piano tuning device with unprecedented accuracy that measures the direct motion of a piano string without acoustic interference commonly found using microphones. The result is tuning accuracy 0.1 cents. Pre-orders are being taken, and order fulfillment 4 weeks after deposit. Contact Steven Norsworthy at steven@rf2bits.com.