Bailey Instrumental
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  • Dexter Forbes
  • Adam Tobias
  • Rhys Georgiou Jonassen
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  • Since 2014
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Philosophy
  • Build Philosophy
  • Design Philosophy
  • Build Process
Bailey Instrumental
Home
Instruments
  • Signature
  • Echo
  • Plunk Bass
  • Bass VI / VII
Series
  • Foundation Series
  • Refraction Series
  • Concision Series
  • Plunk Bass
  • Bass VI / VII
Contriver Artists
  • Dexter Forbes
  • Adam Tobias
  • Rhys Georgiou Jonassen
About
  • Since 2014
  • F.A.Q
  • Contact
Philosophy
  • Build Philosophy
  • Design Philosophy
  • Build Process
More
  • Home
  • Instruments
    • Signature
    • Echo
    • Plunk Bass
    • Bass VI / VII
  • Series
    • Foundation Series
    • Refraction Series
    • Concision Series
    • Plunk Bass
    • Bass VI / VII
  • Contriver Artists
    • Dexter Forbes
    • Adam Tobias
    • Rhys Georgiou Jonassen
  • About
    • Since 2014
    • F.A.Q
    • Contact
  • Philosophy
    • Build Philosophy
    • Design Philosophy
    • Build Process
  • Home
  • Instruments
    • Signature
    • Echo
    • Plunk Bass
    • Bass VI / VII
  • Series
    • Foundation Series
    • Refraction Series
    • Concision Series
    • Plunk Bass
    • Bass VI / VII
  • Contriver Artists
    • Dexter Forbes
    • Adam Tobias
    • Rhys Georgiou Jonassen
  • About
    • Since 2014
    • F.A.Q
    • Contact
  • Philosophy
    • Build Philosophy
    • Design Philosophy
    • Build Process
the sound produced by abruptly plucking a string.

Plunk Bass

The Plunk Bass uses Concision Series geometry to balance perceived string tension at the nut for each string.

The shallow break reduces hinge effect, with less downward pressure on highs and more on lows.

Articulate, responsive, and uniform.

Guided by Balance

A 3.5° break angle paired with a Fender-style drop


Similar to the Foundation Series, it features graduated break angles, moving naturally from low to high strings. The result is a Uniform, and responsive playing experience , with a slightly tighter feel than its counterpart.


It utilizes individual bridge pieces reducing crosstalk at the saddles.


  • Increased downward pressure on the treble strings
  • Reduced pressure on the bass strings
  • Ergonomic


This makes Concision Series ideal for alternate tunings, extended ranges, and multiscale layouts,


Available In 

4, 5 or 6 String


Set Neck Only


Available Body Shapes 

Plunk

Body Woods

Materials are selected for how they interact as a system, not for species alone. Pairings are guided by mass, stiffness, compliance, and damping to maintain predictable behavior.


Neutral / Balanced

Even response, broad compatibility across scale lengths and neck constructions.


Northern Ash

Alder
 

Use when: you want predictability, consistency, and an even mechanical response.


Firm / Defined

Increased stiffness and clarity with a more immediate attack.


Roasted Ash

Swamp Ash
 

Use when: longer scales, lower tunings, or players who prefer a tighter feel.


Warm / Damped

Slightly increased damping with a smoother attack and relaxed mids.


African Mahogany

Walnut

Black Limba
 

Use when: aiming for a more forgiving response or counterbalancing stiffer necks and fretboards.


Structured / Composite

Three piece constructions tuned for stiffness distribution and visual contrast.


Ash Core + Black Limba Wings


Use when: additional control over response is needed without increasing overall mass.

Top Woods

Top woods primarily affect surface response and feel while contributing visual character. Core body woods remain the primary driver of the instrument’s foundation.


Neutral / Reinforcing 

Minimal damping, reinforces the body’s natural response.

Northern Ash

Roasted Ash

Flame Maple

Roasted Flame Maple

Quilted Maple


Warm / Softening

Adds subtle damping and a smoother initial attack.

Black Walnut

Flame Claro Walnut

Koa

Redwood Burl


Dense / Reflective

Increases surface firmness and note definition.

Macassar Ebony


Visual / Character Tops

Primarily aesthetic, with response tuned through the core body wood and neck system.

Spalted Maple

Maple Burl

Poplar Burl
 

These tops are selected for visual impact and are paired with body woods that maintain structural and tonal balance beneath the surface.

Carved Top - Included

Bent Top - Additional Upcharge

Neck Woods

Neck wood selection plays a major role in stability, stiffness distribution, and tactile response.  Wood choice is used to fine-tune feel rather than alter the platform.


Neutral / Reference

Even stiffness with predictable response across scale lengths.

One piece Qtr Sawn Maple

Three Piece Qtr Sawn Maple
 

Use when: a balanced, familiar feel is the goal.


Firm / Controlled

Increased stiffness and focus, especially beneficial for longer scales and extended-range instruments.

One Piece Roasted Maple

Three Piece Roasted Maple

Five Piece Maple+Roasted Maple

Five Piece Roasted Maple+White Maple
 

Use when: prioritizing clarity, stability, and low-string control.


Warm / Compliant

Slightly increased damping with a smoother, more forgiving feel.

One Piece Sapele

3 Piece Sapele+Maple

3 Piece Maple+Sapele
 

Use when: counterbalancing dense fretboards or firmer body cores.


Dense / Rigid

High stiffness with pronounced definition and a more immediate response.

Five Piece Maple+Wenge

Five Piece Wenge+Maple
 

Use when: maximum control and articulation are required, particularly for aggressive playing styles.


Bolt On - Included

Set-Neck - Additional Upcharge

FRETBOARD

Fretboard materials influence attack, tactile feel, and high-frequency response. Selection is guided to complement the neck and body system.


Immediate Attack / Defined

Fast attack with clear note separation and minimal damping.

East Indian Ebony

Gabon Ebony

Macassar Ebony


Use when: clarity, articulation, and precise response are the priority.


Balanced / Neutral

Even response with controlled attack and broad compatibility.

Figured Chechen

East Indian Rosewood

Ziricote 


Use when: maintaining consistency across the system without emphasizing extremes.


Warm / Forgiving

Softer attack with increased damping and a smoother feel under the fingers.

Bocote

Pale Moon Ebony 


Use when: counterbalancing stiffer neck constructions or longer scale lengths.


Bright / Elastic

Snappier feel with a slightly more elastic response.

Quarter-Sawn Flame Maple

Flat-Sawn Blistered Maple


Use when: adding immediacy and tactile feedback without excessive stiffness.


Scalloped Frets - Additional Upcharge

Multi Scale Scallop - Additional Upcharge

Scale Lengths and Spacing

Scale length is one of the most influential choices in how an instrument feels. Recommendations are made based on tuning, string count, and playing style.


Single Scale options:

34.50″ — Familiar feel with relaxed response


Multi Scale & String Spacing Options

4 String - 19mm Spacing

36.50" - 35.00"


5 String - 18mm Spacing

 37.00" - 35.00"


6 String - 19mm Spacing

37.00"- 34.50"

Inlay

Inlays are optional and are designed to complement playability and aesthetics without disrupting energy flow.


Face Dots - Included

  • Inline (Bass Side) Offset Centred 
  • Inline (Bass Side) Offset Staggered 
  • Inline (Bass Side 1-12 Treble Side 15-24) Offset Centred
  • Inline (Bass Side 1-12 Treble Side 15-24) Offset Staggered
  • Centred
  • Astral / Reverse Astral 


Blocks - Additional Upcharge

  • Centred
  • Inline (Bass Side) Offset Centred
  • Inline (Bass Side 1-12 Treble Side 15-24) Offset Centred


Custom Inlay - Additional Upcharge

Modelled from your provided image and cut deep into the fretboard, these can be filled with dyed resin or wood.


Glow in the Dark - Additional Upcharge

Additional Color / Overlay  - Additional Upcharge

FINISH

Natural Oil Finish — Included

  • Non-film building hardwax oil, amber-toned
  • Close-to-the-wood feel
  • Further protected with a hydrophobic ceramic coating
     

Spray Finish - Additional Upcharge

  • High-film building, UV-cured polyurethane
  • Ideal for tops with striking grain (Flame Maple, Poplar Burl)
  • Can be dyed to vivid colors or tinted to highlight wood figure
  • Solid colors applied via primer + paint, then crystal clear finish
  • Satin or High Gloss


Finish choice is evaluated alongside body, top, and neck materials to ensure the instrument’s response, resonance, and aesthetic remain balanced. Exotic or visually complex finishes are guided to maintain structural integrity and tonal consistency.

Hardware

ABM Single Bridges


ABM Single Head Locks


ELECTRONICS

Standard Pickups

Aguilar DCB


Standard Preamp

Aguilar OBP-3


Standard Configuration

Volume/Blend/Tone

High/Mid(PP)/Low


Optional Upgrades

Alternate pickup and preamp models available upon request


Choices are reviewed to ensure they complement your material selections, scale length, and desired response, preserving consistency and playability.

Pricing and Availability

Plunk Basses are built to order. 


Pricing is discussed during consultation based on materials, construction complexity, and specifications.

The Build Process

Plunk Basses are built to order within the options outlined above.


Next Steps


  • Discuss player goals and desired feel
  • Select woods, scale length, neck/fretboard, hardware, and electronics
  • Review pairings and ensure predictable energy flow
  • Construction with multi-stage verification
  • Final setup and quality check

ORDER FORM

Please Download, Fill out, and Email to Brett@ContriverGuitars.com

Download PDF

BOOK A CONSULTATION WITH BRETT BAILEY

Let's Talk Guitars!

Professional Buyers Consultation service providing expert guidance and advice to assist you in making informed decisions when selecting one of our instruments.


In-depth discussions will cover the fundamental mathematics underlying fretboard geometry and neck profile, along with considerations regarding wood selection, finish, and electronics.


Throughout our session, we'll examine 3D models, and detailed sketches of your instrument to ensure it meets your preferences and requirements.

BOOK NOW!

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