All Primary Chime Bars with a wooden striking surface are made with FSC certified Pao Rosa and have either overtone or fundamental tuning. The resonator boxes are made from shock-resistant RESOPHEN or solid birch plywood. SONOR uses Proterra, an environmentally safe, all-natural varnish.
Contra Bass (KSP 60 X)
Pao Rosa bars 53×20 mm with staff imprint, overtone tuning, resonators made of birch, plywood, with tuning adjuster to tightly control frequencies within room acoustics.