Bernhard Stopper

Exclusively featuring StopperStimmung™, a slightly stretched tuning invented in 1988 by german maste

Tunic® series provides precise tuners available for the iPhone, operating at a frequency resolution

Exclusively featuring StopperStimmung™ (1988), a slightly stretched tuning creating an amazing and c

Exclusively featuring StopperStimmung™ (1988), a slightly stretched tuning creating an amazing and c

Exclusively featuring StopperStimmung™ (1988), a slightly stretched tuning creating an amazing and c

Tunic® OnlyPure piano tuning software. Basic version with manual note switching providing assistance

Tunic® OnlyPure tuning software for piano tuners. Used in concert halls around the world by the best

Exclusively featuring StopperStimmung™, a slightly stretched tuning invented in 1988 by german maste

Exclusively featuring StopperStimmung™, a slightly stretched tuning invented in 1988 by german maste

Unisono Sweet Spot IndicatorProfessional tool for recording engineers and and piano technicians. The