Russian guitar usually differs from the wood in the rest of the neck. The neck joint or heel is the point at which the neck is attached to the body of the guitar. The fingerboard is made of hardwood (ebony or rosewood are common), fitted with metal frets of brass or steel. Fret spacing almost always follows the western twelve tone equal temperament (12-tet) system. The surface of the fingerboard may be flat or curved slightly ("radiused"), although the curve on the Russian guitar is usually somewhat less than that of an equivalent western 6-string guitar. Inlayed position markers are common, and
Yamaha electric guitar models Only the RBX550 and RBX600 came with an optional maple fingerboard with black dot position markers (RBX550M, RBX600M). The RBX range has been updated in 1998 with a new body style, a 3D headstock with 2+2 (4-string) or 3+2 (5-string) tuner arrangement and a two-octave rosewood fretboard. The RBX6JM and RBX-JM2 6-strings topped the line, endorsed by Dream Theater bassist John Myung, the latter using a single custom-wound Seymour Duncan SMB-6A humbucking pickup, black hardware, an active 3-band EQ and a 24-fret rosewood fingerboard with oval abalone dot position markers. Yamaha electric guitar models The is a multinational corporation and