yamaha trbx174 electric bass old violin yamaha the trbx174 represents a price breakthrough for the trbx range, yet the quality is everything you'd expect from a yamaha bass. scale length: 34'' (863.6mm) neck: maple fingerboard: sonokeling radius: 10'' (250mm) nut width: 40mm body: alder tuners: covered bridge: vintage style pickups: split coil x 1, single coil x 1 hardware color: chrome