GWB1

GWB1 Natural Flat (more images)

The GWB1 is a five string, fretless, solid body electric bass model introduced by Ibanez for 1999. It is a signature model for American jazz fusion bassist Gary Willis. It was made in Japan by FujiGen.

The GWB1 features a Soundgear series double-cutaway lightweight swamp ash body bolted to a laminated maple neck with a fretless ebony fingerboard with small white dot position markers. Components include a custom Bartolini passive soapbar bass pickup wired to a Bartolini preamp with a two-band EQ, a standard bridge with 16.5mm string spacing, a removable finger rest/ramp, a graphite nut and Gotoh tuners with custom Sure Grip buttons.

The GWB2 is a similar fretted model.

The GWB1 was discontinued after 2004.

Specifications

Related content: Gary Willis series | Soundgear series | Signature series |

Specifications for GWB1

Model name: GWB1 Year(s) offered: 1999–2004 Sold in: Worldwide Made in: Japan Finish(es): Natural Flat (NTF) / Transparent Black Flat (TKF)
Body Body type: Solid body Body material: Swamp ash (light ash) Neck joint: AANJ Bridge: STD-5 fixed (16.5mm string spacing) Pickguard: Removable wood finger ramp/rest Knob style: Knurled metal dome w/ pointer Hardware color: Black	Neck Neck type: GWB Prestige Neck material: 3-piece maple Scale length: 864mm / 34" Fingerboard material: Ebony Fingerboard inlays: Small white dot Nut: Graph Tech Black TUSQ XL (45mm) Machine heads: Gotoh GB70 w/ GWB Sure Grip buttons	Electronics/ Strings Pickup configuration: S Middle pickup: Bartolini GWB (S) passive Electronics: Bartolini NTBT 2-band EQ w/EQ bypass switch Controls: Single volume w/ push-pull EQ bypass / stacked bass boost-cut & treble boost-cut Battery: 9V Output jack: ¼" stereo barrel (side mounted) String gauge (factory): .045–.125 (round wound) Factory tuning: 1G,2D,3A,4E,5B

About this table

Images

Additional finishes/ details

Transparent Black Flat

Removable finger ramp

Sure Grip tuning knobs

Controls layout

EQ frequency chart

Sources

• Gary Willis artist page, Ibanez USA, archived October 1999
• 1999 Signature bass catalog (pages 8–10)
• GWB1 specs, Ibanez USA, archived October 1999
• 2000 Japan catalog (pages 26–27)
• 2001 Series catalog (page 14)
• 2002 USA catalog (page 33)
• 2003 Asia & South America catalog (page 39)
• 2004 Europe catalog (page 41)
• GWB1 specs, Ibanez USA, archived July 2004