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1981 Aria Pro II RSB-800 Rev-Sound Vintage Fretless Bass Neck Through Natural, Japan Matsumoku


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Up for sale, a 1981 Aria Pro II RSB-800 Rev-Sound fretless vintage neck through electric bass guitar in excellent, 100% original condition and in perfect working order. Produced in Japan at the Matsumuko factory (before Tokai eventually took over production), the RSB-800 features maple/walnut seven-ply neck through construction with a slab rosewood fretboard and ash body wings. The pair of MB-II humbucking pickups can be pillowy and warm or growly and aggressive, while the two-way mini toggle tone switches thin out the sound just enough to offer more tic-tac articulation and top end grind without sacrificing low end fullness and punch. The bass sustains near endlessly, and at 10lbs 8oz, the tonewoods guarantee a solid, resonant platform for the humbuckers. Professionally setup here at Mike & Mike's Guitar Bar, this Aria has been dialed in with 45-100 roundwound strings and comfortable action.

The maple/walnut neck has a medium C profile carve with nicely rounded shoulders and gently rolled fretboard edges, offering easy playability in every register, measuring .850" deep at the nut and .930" at the octave. The thick slab rosewood fretboard is an extremely dark, tight-grained cut, and the factory fretless design features a lined fretboard and pearl oval inlay. The scale length is a full 34", and the brass nut measures 1 3/4" in width, ensuring ideal sustain and treble articulation. On the headstock, the bass features the original truss rod cover and chrome Aria Pro II tuners that turn smoothly and hold pitch well.

All of the electronics function as intended, with individual stacked Volume/Tone knobs for each humbucker as well as dedicated two-way Tone toggles. The positively over-built solid brass bridge is inset into the body with uniform patina on the plating. The Natural gloss finish complements the grain in the ash body wings, and cosmetic wear includes a few small dings on the back and lower bout body edge, one crescent moon shaped scuff just beyond the recessed input jack, and some small shallow nicks on top on the bass-side body horn. And despite the vintage Marlboro sticker placed neatly between the pickups, the bass has no odor or smell of smoke. The neck profile has a smooth gloss finish with only a few shallow marks which aren't distracting to the palm.

The original form-fit faux leather gigbag is included.