Pricing and availability

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Average Price: $4,493

High-end/Boutique

$400

$1001+

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Standard

High-end

Price History

Based on price data from 1 merchant for "Ibanez GWB1005". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Introducing the Ibanez Gary Willis Signature GWB1005 - Natural Flat, a premium signature bass guitar designed for those who seek perfection in musical expression. This 5-string fretless masterpiece is a product of a long-standing collaboration between world-renowned fusion bass legend Gary Willis and Ibanez, a brand synonymous with quality and innovation.

This instrument is meticulously crafted in Japan by senior Ibanez luthiers to provide the highest level of precision and performance. The GWB1005 is designed with a focus on facilitating high-speed performance, featuring Gary's secret weapon - the Willis ramp. This unique feature serves as a flexible thumb rest, helping you achieve a lighter touch with more consistent attack and quicker recovery time. This feature alone can drastically improve your tone and speed up note articulation.

The GWB1005 is not just about performance; it's also about offering versatile tonal possibilities. With its Willis-spec'd Bartolini GWB humbucking pickup and NTBT active 2-band EQ, you can shape your tone to suit any style of music. The fretless design, coupled with the white inlaid fret line markers, provides additional tonal richness while aiding in accurate intonation.

Key Features:

  • Signature 5-string fretless bass of fusion legend Gary Willis
  • Toneful swamp ash body for balanced brightness, warmth, and punch
  • Detachable finger ramp (Willis ramp) for lightning-fast note articulation
  • Titanium-reinforced maple neck with super-smooth ebony fingerboard
  • Inlaid fret line markers for accurate intonation
  • Bartolini GWB pickup and NTBT 2-band preamp for versatile tonal shaping
  • Volume control with push/pull EQ bypass
  • Ibanez Standard bridge for excellent intonation and sustain
  • GW special-design tuning keys; black hardware
  • Precision crafted in Japan by senior Ibanez luthiers
  • Hardshell case included

Product specs

Number of Strings 5
Left-/Right-handed Right-handed
Body Shape Gary Willis Signature
Body Material Swamp Ash
Body Finish Satin
Neck Material 3-Piece Maple
Neck Shape GWB
Radius 12"
Fingerboard Inlay Offset White Dots
Number of Frets 24
Scale Length 34"
Nut Width 1.771"
Nut Material Plastic
Bridge/Tailpiece Standard Bridge with Individual Saddles
Tuners Gary Willis Signature Tuners
Bridge Pickup Bartolini GWB Humbucker
Controls 1 x master volume (push/pull EQ bypass), stacked Bass/Treble (boost/cut)
Strings .045-.135
Case/Gig Bag Hardshell Case

FAQs

What is the neck profile like on the Ibanez GWB1005?

The Ibanez GWB1005 features a GWB neck profile, which is designed for smooth playability and comfort, making it ideal for fast and intricate bass lines.

What kind of tones can I expect from the Bartolini GWB Humbucker on the GWB1005?

The Bartolini GWB Humbucker delivers a warm, rich tone with excellent clarity and depth, perfect for a variety of genres from jazz to rock.

Is the Ibanez GWB1005 suitable for advanced players?

Yes, the Ibanez GWB1005 is designed with advanced players in mind, offering high-quality components and a versatile tonal range that caters to professional performance needs.

How does the EQ bypass function work on the Ibanez GWB1005?

The EQ bypass is activated by a push/pull master volume control, allowing players to switch between active and passive modes for greater tonal flexibility.

What is the body material of the Ibanez GWB1005 and how does it affect the sound?

The body of the Ibanez GWB1005 is made from swamp ash, which provides a balanced tone with pronounced mids and a clear, resonant sound.

Bruno Tauzin - Votre Prof de Basse

Bruno Tauzin - Votre Prof de Basse

Ibanez GWB1005 Gary Willis

Video thumbnail for Ibanez GWB1005 Gary Willis by Bruno Tauzin - Votre Prof de Basse

Ibanez GWB1005 Gary Willis

Bruno Tauzin - Votre Prof de Basse

Bruno Tauzin - Votre Prof de Basse

Video thumbnail for fretless gwb1005 bass soloing(jacogrow)베이스 연주 by jacogrow

fretless gwb1005 bass soloing(jacogrow)베이스 연주

jacogrow

jacogrow

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Ibanez GWB1005.

User experience

  • The GWB1005 is praised for its comfort and ergonomic design, making it a standout choice for fretless bass enthusiasts.

    Source
  • Users report that the GWB1005's ergonomic design significantly reduces the need for extensive right-hand finger movement.

    Source
  • One owner shares that the GWB1005 is "nearly perfect" but benefits from additional modifications for specific tonal preferences.

    Source

Features and functionality

  • The GWB1005 includes a ramp feature, which is appreciated for aiding in finger positioning and technique.

    Source
  • The pickup on the GWB1005 is noted to be less versatile, potentially limiting its use in varied musical contexts.

    Source
  • The Ibanez GWB1005 is praised for its smooth transition to different musical styles, especially modern pop and electronic genres.

    Source

Setup and maintenance

  • Users advise switching to flatwound strings for a smoother feel, even though the bass typically ships with roundwound strings.

    Source

Mods and upgrades

  • Some owners replace the stock pickups with Nordstrand pickups, significantly improving the bass's tonal versatility.

    Source
  • Owners suggest adding a piezo system for enhanced tonal versatility, especially for acoustic-like sounds.

    Source
  • Users recommend the Bartolini BC5CBC pickup and NTBT preamp for the GWB35 model for better sound quality.

    Source

Comparisons

  • Compared to the Ibanez SRH505F, the GWB1005 and SR375E are seen as more specialized, potentially limiting versatility for some players.

    Source
  • The GWB1005 is likened to the Warwick $$ for its fretless capabilities, with the Warwick noted for its bell-like tones.

    Source

Use cases and applications

  • The GWB1005 is frequently used in modern pop and electronic music due to its unique fretless timbre.

    Source

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