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Ibanez built the RGMS8BK as an eight-string entry in the RG Series, positioning it within the multi-scale (fan-fret) segment of the line. The multi-scale construction gives the instrument a longer scale at the low end and a shorter scale at the high end, accommodating the extended lower register of an eight-string format while retaining familiar playability toward the treble strings.
The neck is a five-piece Maple and Walnut Wizard III-8 Multi Scale profile, measuring 55mm at the nut and 80mm at the 24th fret, with a thickness of 20mm at the first fret and 21.5mm at the twelfth. The 400mm radius Jatoba fretboard carries jumbo frets and white split offset dot inlays. The Nyatoh body pairs with a Cosmo black hardware complement that includes a Mono-rail bridge with 10.8mm string spacing. Passive ceramic Array-8 MS humbuckers occupy both the neck and bridge positions. The instrument left the factory tuned 1D#–2A#–3F#–4C#–5G#–6D#–7A#–8F with a string gauge of .009/.011/.016/.024/.032/.042/.059/.080, reflecting its design intent for down-tuned extended-range playing.
Owners seeking replacement parts — including Mono-rail bridge saddles, multi-scale-compatible nuts, or Array-8 MS pickup covers — or requiring truss-rod adjustment and intonation work on a fanned-fret instrument should consult a guitar technician experienced with multi-scale instruments.
Nothing in The Vault is for sale. These records exist so the instruments stay documented after the manufacturer moves on — and the most useful part of that record is what owners add to it.
The catalog shot showed one finish, under one light, a long time ago. Yours has been played. Photos from owners are what the next person finds when they are trying to identify a part, match a finish, or work out whether the one they just bought is really what the seller said it was.
Specs only go so far. What actually fits, what breaks first, what the factory got right and what everyone ends up changing — that lives with the people who own them, not in a datasheet. Post what you know and it stays on this page for whoever comes looking next.
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From spec questions to full builds — players who have lived this gear since 2007.
Since 2007
