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At A Glance
- Neck Type
- SRH4 / 5pc Jatoba/Walnut neck
- Top/Back/Body
- Spruce top / Okoume body
- Fretboard
- Bound Panga Panga fretboard / Off-set white dot inlay
- Fret
- Fretless
- Bridge
- Custom bridge for AeroSilk Piezo system bridge
- String Space
- 19mm
- Equaliser
- Piezo active tone control
- Factory Tuning
- 1G,2D,3A,4E
- Strings
- D'Addario ECB81 Flatwound
- String Gauge
- .045/.065/.080/.100
- Hardware Color
- Black
- Scale
- 864mm/34"
- A : Width
- 38mm at NUT
- B : Width
- 62mm at 24F
- C : Thickness
- 19.5mm at 1F
- D : Thickness
- 21.5mm at 12F
- Radius
- 305mmR
- Finish
- Natural Browned Burst Flat
Ibanez built the SRH500FNNF as part of the SR Workshop Series, positioning it as a fretless electric bass with an acoustic-electric character. The model occupied a specialist niche within the SR line, pairing a piezo pickup system with a fretless Panga Panga fretboard to serve players seeking an amplified, resonant tone without frets.
The neck is a five-piece Jatoba and Walnut construction of the SRH4 profile, joining an Okoume body capped with a Spruce top — a combination oriented toward acoustic projection characteristics. The fretboard is bound, with off-set white dot inlays, and runs a 305mm radius over a 34-inch scale (864mm). Nut width measures 38mm, widening to 62mm at the 24th fret position; neck thickness runs 19.5mm at the first fret and 21.5mm at the twelfth. The AeroSilk Piezo system is mounted on a custom bridge with 19mm string spacing, controlled by a piezo active tone circuit. All hardware is finished in black. The instrument shipped strung with D'Addario ECB81 Flatwound strings (.045/.065/.080/.100) in standard E–A–D–G tuning.
Owners seeking setup guidance, fretless-specific neck adjustments, or replacement piezo components for this instrument should consult a qualified guitar technician or luthier experienced with piezo-equipped basses.
STRAIGHT TALK
What Stands Out
Keep In Mind
From the people who own them
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.
Owner photos
Put yours on the record.
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.
What do you know about this one?
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.
Build Your Complete System
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Gear Help, Handled
From spec questions to full builds — players who have lived this gear since 2007.
Since 2007
Fit & Compatibility
- Bridge, tuner, and nut fit confirmed for your guitar
- Pickup and electronics compatibility checks
- Pedal power and amp/cab impedance matching
Mods & Upgrades
- Upgrade paths for the guitars you already own
- Wiring, routing, and hardware swap guidance
- Advice from people who actually do the mods
The Vault
- Discontinued and EOL guitars kept on record
- Specs, history, and known part compatibility
- Share your builds and mods with the community
