Ibanez SRD900F-BTL Brown Topaz Burst Bass Workshop

Ibanez Bass Workshop: a range designed to explore new territories

For over 40 years, Ibanez has evolved the electric bass by challenging traditional formats. The Bass Workshop series embodies this philosophy: offering instruments with unique specifications, designed to meet specific needs (feel, ergonomics, tonal palette, playing sensations). The SRD900F-BTL is one of these "laboratory" basses: a modern platform combining playing comfort, creative electronics, and organic character thanks to its semi-hollow construction.

Who is the SRD900F-BTL for?

This bass is aimed at intermediate to advanced bassists who want to expand their vocabulary, both live and in the studio. Its versatility makes it comfortable in jazz, neo-soul, pop, funk, contemporary music, and any context where a precise yet expressive bass is sought, capable of shifting from a modern tone to a more woody and detailed texture.

The sound

The semi-hollow construction adds extra air and depth, with a rounder attack and a breathing sensation in the midrange. The combination of exotic maple top / okoumé body promotes a balance between clarity, definition, and warmth. The Nordstrand Big Break pickups deliver a wide and powerful range, while the AeroSilk piezo adds fine harmonics and very natural articulation. The Ibanez 2-band EQ and active piezo tone control allow quick adjustment of brightness, low end, and presence, enabling a transition from a modern, tight sound to a more "woody" and nuanced output.

Recommended compatible accessories

To maintain the original feel and tone, you can stick with D'Addario ECB81 Flatwound strings (gauges .045/.065/.080/.100). For transport, the specs recommend an MRB500C case or an IBB540-BK gig bag. The active electronics require 1 9V battery (carry a spare battery for stage and session use).

Technical specifications

Left handed	No	Nbrs of frets	0
Strings	Steel	Color	Brown
Nbr of strings	4

Top material	exotic maple	Inlay	oval abalone
Body material	okoumé	Bridge	AeroSilk MR5
Body finish	satin polyurethane	Nut	plastic
Total length	1121 mm / 44.13"	String spacing	19 mm / 0.75"
Body thickness	46 mm / 1.81"	Tuners	Ibanez
Body length	512 mm / 20.16"	Hardware color	black
Body width	323 mm / 12.72"	Active or passive	active
Number of strings	4	Neck pickup	Nordstrand Big Break
Fretless	fretless	Bridge pickup	Nordstrand Big Break
Neck type	SRD4	Additional pickup	AeroSilk piezo
Neck joint	bolt-on	EQ (active)	Ibanez 2-band equalizer with active Piezo tone control
Neck material	5-piece maple/walnut	Controls	2 Volume, 1 Piezo volume, Bass, Treble, Piezo tone
Neck finish	satin polyurethane	Side dot inlays	luminescent side dot inlays
Neck thickness (1st fret)	21.5 mm / 0.85"	String gauge	.045/.065/.080/.100
Neck thickness (12th fret)	23.5 mm / 0.93"	Special strings	D'Addario ECB81 Flatwound
Scale length	34" / 864 mm	Tuning (high to low)	1G, 2D, 3A, 4E
Nut width	38 mm / 1.5"	Recommended case	MRB500C
Heel width	62 mm / 2.44"	Recommended gig bag	IBB540-BK
Frets	Bound Panga Panga	Battery required	9 V x1
Fingerboard radius	12" / 305 mm	Also included	hex wrench