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2000 GWB1 NTF 00 01.jpg
GWB1 Natural Flat (more images) Red copyright sprite.png

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

Specifications for GWB1
Model name: GWB1
Year(s) produced: 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
Portal: Gary Willis series | Soundgear series | Signature series | Bass models Models-icon.png

Images

Additional finishes/ details
2004 GWB1 TKF 00 02.jpg
Transparent Black Flat
GWB ramp.png
Removable finger ramp
Sure Grip tuning knobs.png
Sure Grip tuning knobs
Controls GWB.jpg
Controls layout
Bartolini NTBT frequency chart.jpg
EQ frequency chart

Sources

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