A Study of Sheldon Dingwall’s Instrument-Making Philosophy and Technological Innovation

Focusing on the Multi-Scale Ecosystem and Communication with the Audience

Raven Cho (Yonsei University, College of Liberal Arts, Bachelor of Philosophy)

Abstract

This study offers an in-depth examination of Sheldon Dingwall’s instrument-making philosophy and the innovative technologies he devised to realize it - a body of work that fundamentally reshaped the direction of modern electric-bass construction. Dingwall does not regard an instrument as a mere tool. He argues that an instrument becomes a true medium of communication only when a clearly articulated tone creates an “energy feedback loop” that vibrates between performer and audience. This paper explores how Dingwall’s vision took concrete form through the design of a multi-scale ecosystem that overcomes physical limitations, the development of materials resilient to climate change, and the integration of high-end electronics in collaboration with companies such as Darkglass and Rupert Neve Designs. It also analyzes how the latest headless bass, the Effigy - a model that boldly borrows acoustic principles from the marimba and combines them with motorsport engineering - expands the player’s physical and musical limits.

1. Introduction: The Evolution of Modern Stringed-Instrument Making and Its Acoustic Challenges

As popular music evolved, the role of the electric bass changed just as dramatically. No longer merely a time-keeping instrument, it became the central axis that balances the ensemble’s frequency range and provides the harmonic backbone of an entire piece. Since Leo Fender commercialized the 34-inch electric bass in 1951, that scale length ruled for decades as the industry’s unquestioned standard. Yet by the 1980s, the rise of synthesizers and the growing prominence of heavy metal, progressive rock, fusion jazz, and other genres intensified demand for a wider range. The emergence of five- and six-string basses thus became not a matter of preference, but an inevitability. The expansion of range simultaneously exposed the physical limits of the traditional 34-inch scale. As tuning dropped lower, string tension fell sharply, pitch became ambiguous, and overtones turned muddy and congested. Solving that problem became an urgent task for instrument builders.

It was in this context that Dingwall Designer Guitars, founded in Saskatoon, Saskatchewan, in 1987, began writing a new chapter in bass design. Sheldon Dingwall became the first builder in the production market to adopt the multi-scale, or fanned-fret, system and thereby address the low-string clarity problem at its root. Yet his concerns never stopped at scale length alone. Dingwall defines an instrument as something more than a “mechanically perfect product”: it is a medium that emotionally connects the performer and the audience. In order to realize that philosophy, he has consistently pursued an innovative approach that combines materials engineering, electronics, ergonomics, and even technologies drawn from motorsport.

Drawing on Sheldon Dingwall’s masterclass in Seoul on March 27, 2026, along with a range of recent technical materials, this study analyzes his instrument-making philosophy from multiple angles. In particular, it traces how the metaphysical goal of “communication with the audience” took concrete form in technical innovations such as the defeat of “spaghetti string syndrome,” the design of necks resistant to climate variation, the integration of studio-console-grade onboard preamps, and the development of a headless bass informed by the acoustics of the marimba.

2. The Depth of the Philosophy: Sonic Clarity and the Energy Feedback Loop

At the foundation of every design choice Sheldon Dingwall makes lies a clear conviction: the true reason an instrument exists is to help the bassist communicate fully with the audience. This philosophy grew out of a series of live-sound experiences he had in Los Angeles.

2.1. A Psychoacoustic Analysis of the “Mud Cannon” Phenomenon

At one concert in Los Angeles, elite studio-session musicians performed, yet Dingwall witnessed the audience’s enthusiasm steadily decline regardless of the players’ technical level. In his assessment, the problem was that guitarists had scooped too much midrange on stage and overused ambient and modulation effects. Such settings tend to smear the definition of individual notes and blur the acoustic focus. The result is what he calls the “mud cannon” phenomenon: sound spreads outward, yet the essential character of the instrument fails to reach the audience with clarity.

From a psychoacoustic perspective, the midrange is the zone to which the human ear is most sensitive within an ensemble. It is there that the instrument’s fundamental and harmonic structure comes alive, and where musical identity becomes especially vivid. When the midrange is hollowed out and replaced by effect-heavy texture, severe masking occurs in a live environment. The audience can no longer receive the essential rhythmic and harmonic content of the performance in full. Dingwall himself recalled the experience as one of profound disappointment: he had spent all day looking forward to hearing those musicians, yet could not properly hear even a single note. That experience drove home the painful lesson that when tonal clarity disappears, communication between performer and audience disappears with it.

2.2. Abraham Laboriel and the Rediscovery of Clarity

The stagnant mood in the room changed completely when the legendary bassist Abraham Laboriel took a bass solo. His playing cut through the haze with extraordinary clarity and punch. The audience did not merely hear his dynamic groove without distortion; they seemed to feel it directly in their bodies. It was an explosive surge of energy between stage and audience.

Through that moment, Dingwall was once again convinced that the fundamental of the bass is the part the audience physically feels, while the midrange is the key band that lets listeners hear pitch and note definition directly. A firm, articulate bass sound is also far easier for a front-of-house engineer to mix, and it plays a decisive role in maximizing pitch accuracy across the band. When musicians can clearly perceive the bass’s rhythmic and pitch information, the cohesion of the ensemble naturally tightens, and the quality of the performance rises accordingly.

2.3. The Energy Feedback Loop and the Accumulation of Positive Experience

For Dingwall, producing a clear source tone is not simply a matter of delivering good sound. It is what activates the “energy feedback loop” in a live setting. When the player’s groove is transmitted with clarity, the audience feels that energy and rhythm through both body and mind. They respond with cheers and excitement, sending energy back to the stage. The player absorbs that atmosphere, adrenaline rises, immersion deepens, and the result is an even more inspired performance.

This virtuous cycle of positive energy is not confined to the concert hall. Dingwall emphasizes that whether a band is building its fan base or a company is building its brand, the key is the continual accumulation of positive experiences for customers or audiences. The role of the instrument manufacturer is to ensure that this positive flow is never interrupted. The player should be freed from the stress of poor pitch, tuning instability, or a tone that feels dull and congested; the instrument must deliver mechanical and acoustic quality as close to perfection as possible.

Unlike the era when people encountered music through black-and-white television sets, today’s listeners expect far higher sound quality through capable home-audio systems. Under those conditions, the modern bass guitar must deliver a source tone so clear, coherent, and polished that it almost feels pre-produced - a flawless signal for both engineers and audiences alike.

3. The Physics of Multi-Scale Design: Equalizing Tension and Tone

The core technology that established Dingwall Guitars as a globally recognized high-end brand is, without question, the multi-scale - or fanned-fret - system. Inspired by Ralph Novak, Dingwall brought the idea into production basses, endured the years in the late 1990s when the market had little appetite for it, and ultimately helped make multi-scale design an industry norm. Behind that success lies the deep physics of string tension and resonance.

3.1. “Spaghetti String Syndrome” and the Necessity of a 37-Inch Scale

According to the wave equation, the vibration frequency of a string is determined by its length, tension, and linear density. On a bass built around the conventional 34-inch scale, reproducing the low B of a five-string bass - around 31 Hz - or even lower tunings requires the frequency to drop. In practice, that means either reducing tension drastically or increasing string mass excessively.

If the string becomes too thick, stiffness rises and the overtone structure is distorted, making it difficult to produce a balanced tone. If tension is reduced too far, however, the string becomes slack and produces unexpectedly large amplitude swings within the pickup’s magnetic field. This is what builders and players call “spaghetti string syndrome.” Like overcooked spaghetti, the low string loses elasticity, along with punch and sustain. It produces only a short, dull “thud” and nearly disappears in the mix.

The only convincing way around that limitation is the same principle used by the piano or harp: lower-pitched strings must be longer. Dingwall therefore gave the low B on a five-string bass a 37-inch scale - approximately 940 mm - while the treble strings gradually shorten to 34 inches, creating the familiar fan of the frets. As a result, the low strings maintain firm tension and deliver a deep, clear tone reminiscent of a grand piano, while the high strings avoid becoming overly stiff and retain warmth and suppleness.

3.2. Instrument Design as a Total Ecosystem

Dingwall does not believe that simply adding fanned frets to a neck is enough to complete a multi-scale instrument. In his view, a multi-scale bass functions properly only when it is supported by an entire ecosystem in which every component interacts organically with the others.

Standard bass strings do not distribute tension correctly on a multi-scale instrument. To solve that problem, Dingwall developed the first dedicated bass-string sets made specifically for multi-scale construction, laying the foundation of the ecosystem. The optimized vibration of the strings is then amplified by proprietary pickups and coupled to the body through purpose-built hardware.

Because every element functions as part of that ecosystem, the player experiences what can fairly be called “total uniformity” across all strings. On a conventional bass, the tonal difference between a thick B string and a thin G string can feel so large that the instrument almost behaves like several different instruments at once. By contrast, Dingwall’s system delivers a consistent tonal character, output level, and tactile response from the first string to the fifth, almost like striking different keys on the same piano. Tension is also even enough that the player does not need excessive compression. Whether one uses fingerstyle, slap, tapping, or a pick, volume differences remain minimal, allowing dynamics to open up more freely. In the end, that consistency makes mixing easier for the FOH engineer and produces a more comfortable, more coherent audio experience for the audience.

4. Materials Engineering and Structural Mechanics: Realizing Climate Resilience

For an instrument’s true performance to reveal itself fully on stage, complete structural stability is indispensable. Inheriting the legacy of 1980s shred guitar design, Dingwall pursued longer and slimmer necks than average in order to support both high-speed playing and unwavering stability. He also insisted on very low action - a notably aggressive specification. Yet asking a long, slim neck to withstand the enormous tension of a 37-inch scale is a serious challenge from the standpoint of materials engineering.

4.1. Wood Compatibility and the Control of Deformation

Any high-end maker takes pride in using premium woods. Dingwall, however, does not stop at choosing expensive materials. He treats compatibility between woods as one of the highest standards of quality. In reality, each species differs greatly in how it absorbs and releases moisture and in the degree to which it expands and contracts under changes in temperature and humidity. Dingwall quantified those physical characteristics carefully and excluded mismatched combinations from the production process at the earliest stage.

The pairing of an ebony fingerboard with a wenge neck is a representative example. Acoustically, the two species produced a magnificent voice, and no obvious problem appeared in prototype necks. Once production began, however, a flaw emerged: ebony and wenge reacted to changes in moisture in opposite directions. Whenever the weather shifted, the two woods exerted force differently, causing the entire neck to bow and twist over time. Dingwall therefore refused to tolerate a structural defect that would force players to worry about tuning and neck relief every time the seasons changed, no matter how appealing the acoustic result might have been.

4.2. The Mechanical Tug-of-War Between Stiffness and Resonance

A long, slender neck cannot resist bending without significant strength. Dingwall answered that requirement with a five-piece laminated maple neck reinforced by tapered carbon fiber, creating a structure highly resistant to load. But another problem arises at that point: if the neck becomes too stiff, string energy is no longer absorbed and distributed in a musical way. Instead, it is mostly reflected, and the tone can become sterile.

Dingwall’s technical depth lies in finding the precise balance between stiffness, which allows a neck to survive any environment, and resonance, which allows the instrument to feel alive in the player’s hands. That requires more than woodworking skill; it belongs to the realm of refined acoustic design, where the vibrational behavior of each material must be controlled with great care.

The same sense of balance appears in body construction. On the Lee Sklar signature model and the Z series, for example, Dingwall used a dual-density body structure: the bass-string side employs heavy, dense northern ash for weighty lows and extended sustain, while the treble-string side uses lighter, softer alder for articulate highs and warm overtones. In this way, Dingwall combines materials and structural design with scientific precision so that the instrument can deliver peak performance in widely varying climates.

4.3. The Evolution of the Truss Rod for Extreme Climates

The truss rod - the metal bar that controls neck relief - is effectively impossible to replace or repair once the fingerboard has been glued on. For that reason, it must be installed with absolute precision and an optimized design from the outset.

The climate of Saskatoon, Canada, with its extreme day-night shifts, brutal winters, and stifling summers, forged Dingwall’s truss-rod design through real environmental pressure. Winter temperatures can plunge to -40°C, creating air so dry that skin and lips crack; in summer, temperatures can reach +35°C while humidity rises dramatically. Instruments exposed to such swings experience levels of neck stress that are difficult to imagine in milder climates.

To survive those conditions, Dingwall tested rigorously and implemented a proprietary truss-rod system with exceptional robustness. The result is stability and reliability that allow the player to focus solely on performance, wherever they are in the world and under whatever climatic conditions they may be working. Of course, a truss rod is rarely the reason anyone buys an instrument. Yet precisely because Dingwall takes responsibility for the details that someone must handle, the player can simply forget the truss rod exists and devote complete attention to making music.

5. The Integration of Advanced Electronics: Bringing the Studio Inside the Instrument

Dingwall did not stop at multi-scale geometry and wood engineering. By partnering with world-class audio and effects manufacturers, he redefined the bass-guitar preamp circuit itself. This decision reveals a clear philosophy: the bass should not remain merely an instrument, but should become part of the mixing console and FOH system.

5.1. Collaboration with Rupert Neve Designs: Putting the Studio Console Onboard

Rupert Neve Designs, named after the legendary British audio engineer, is synonymous with the high-end studio consoles and microphone preamps behind countless landmark recordings. For Dingwall to collaborate with such a company and develop what was described as the first onboard preamp of its kind in bass-guitar history sent a strong message through the industry.

That collaboration found concrete form in the development of John Taylor’s signature model, the Rio Dream Bass, and in the broader production version that followed. The historical connection was especially fitting: Duran Duran’s 1982 album Rio, the record that elevated the band to global superstardom, was itself recorded through a Neve console.

The two-band active EQ system, led by Neve engineer Josh Thomas, was tuned to reproduce John Taylor’s elegant sense of rhythm and unmistakable punch with exceptional precision. Combined with three Dingwall neodymium pickups and a quad-tone rotary selector, the preamp allowed ±12 dB of low-end control at 20 Hz and ±12 dB of treble control at 4.4 kHz. As a result, the player could obtain the transparent headroom and tightly focused punch of a large studio console on stage, without the need for a massive external rack.

5.2. The Meeting with Darkglass Electronics: Dominating Modern Metal and Djent

Over the past decade, the role of the bass in heavy metal and progressive rock has changed dramatically. Against walls of distortion built by down-tuned, extended-range guitars, the bass needs a strong attack and articulate distortion if it is to occupy its own space rather than disappear. The company that helped reshape that landscape was Darkglass Electronics of Finland. Dingwall joined forces with Darkglass to bring their first onboard bass preamp, the Tone Capsule, into the world.

The development story itself is memorable. The Darkglass team, Adam “Nolly” Getgood - known as a pioneer of modern metal bass tone - and Sheldon Dingwall reportedly finalized the key specifications of the circuit while sharing a meal in a restaurant at Disneyland, a small anecdote that has since taken on the character of industry folklore.

Unlike the conventional three-band bass preamp with bass, mid, and treble controls, the Tone Capsule boldly eliminated the treble control altogether. Instead, it allowed ±12 dB of adjustment at three very specific points: 70 Hz, 500 Hz, and 2.8 kHz. The 500 Hz band adds punch and a distinctive growl, while the 2.8 kHz high-mid band supplies a sharp attack that remains audible between distorted guitars without degenerating into harsh noise. Combined with the perfectly balanced tension of the multi-scale structure, those frequencies became part of the standard formula for modern metal, especially in the world of djent. In that sense, one might say metal musicians did not simply discover Dingwall - Dingwall had already built an acoustic ecosystem optimized for metal, and the scene came to him.

6. Motorsport Hardware Meets Avant-Garde Luthiery: The Effigy Headless Bass

The newly released Effigy from the Dingwall Custom Shop goes beyond multi-scale design, innovative materials, and electronic integration. By incorporating ergonomics and the refined mechanical engineering of motorsport, it stands as a peak expression of Dingwall’s culture of innovation. Inspired by the sculptural language of the Canadian deconstructivist architect Frank Gehry and the renowned instrument designer Philip Kubicki, the bass proposes a radically new solution to problems long associated with headless instruments.

6.1. Body Tuning Inspired by the Acoustics of the Marimba Bar

The main advantage of a headless bass is clear: removing the headstock shifts the center of gravity toward the body and reduces weight. Yet because the instrument also loses wood mass, it faces difficulties such as weakened low-frequency resonance and reduced sustain. Dingwall looked to the acoustics of the marimba bar for an answer.

A marimba bar is tuned by carving an arched undercut into its underside, leaving the center thin and the ends thick. This places nodes and antinodes in optimal positions and dramatically increases the amplitude of specific fundamentals and overtones. On the Effigy, Dingwall applied that principle to a solid-body instrument. The center of the body is carved extremely thin so vibration is not impeded, while the areas where the bridge and neck connect are left thick, creating a sculptural contour.

As a result, the powerful low-frequency vibration generated by the 37-inch low B passes through the thin central section of the body and is amplified rather than damped. Sheldon Dingwall has described the instrument by saying, “This bass breathes.” The player can feel the resonance physically, almost like a marimba, while also hearing it with unusual clarity. The achievement is significant because it does not merely imitate the outer form of another instrument; it applies the scientific principle of resonance directly to the tuning of a stringed-instrument body.

6.2. Magnetic Wings and Tool-Free String Locks

Players of headless basses often encounter two practical inconveniences in live use. First, without a headstock, the instrument cannot easily hang on ordinary stands or wall hangers. Second, the thicker structure at the end of the neck makes clip-on tuners awkward to attach.

Dingwall addressed these issues with a patent-pending design called the Magnetic Wings, also known as the Flipper system. Two magnetically attached wings can be inserted into the end of the neck: when support is needed, they unfold and allow the bass to function like a conventional instrument on a stand; during performance, they fold away to preserve the clean headless form.

String changes received similar attention. Dingwall collaborated with Federico Pecci, CEO of Italy’s Riviera Gear and an engineer with experience in Red Bull Formula 1 and Ducati MotoGP. The result was a custom bridge and tool-free string-lock system informed by lightweight, high-precision race-engineering practice. A cam mechanism allows the player to secure or change strings simply by turning a lever with the fingers - no tools required. Even in dark backstage conditions, strings can be replaced quickly and accurately without fear of dropping small parts, greatly reducing performance stress.

7. Timeless Industrial Design and Emotional Investment Value

The external design of a Dingwall instrument aims for more than an attractive silhouette. It pursues a kind of elegance that remains timeless even as years pass. Sheldon Dingwall has been thinking about design for roughly fifty years, from his amateur days to the present, studying not only instruments but also cars, motorcycles, architecture, and even the curves of the human body in order to refine an aesthetic language uniquely his own.

In his view, designing and properly executing good design is difficult and expensive, but it gives an instrument lasting value. By contrast, instruments built around temporary color trends or flashy but awkward forms quickly become dated and often fail to hold their value on the used market. Dingwall’s balanced, fluid, elegant curves retain their visual appeal over time, and in that sense they also protect the owner’s investment.

Yet this beauty is not merely a matter of prestige or vanity. Dingwall believes that an instrument’s aesthetics can have a positive effect on improvement itself. A visually striking instrument does not stay buried in its case; it ends up on a wall or a stand, where it naturally catches the player’s eye when entering or leaving the room. That repeated invitation - “I should pick it up, even for a moment” - creates many small moments of practice. Over days, months, and years, those fragments accumulate. In that sense, an instrument with enduring visual appeal can become a real engine of the player’s growth.

Dingwall’s luthiery therefore elevates the instrument beyond a merely engineered object. It must be a precision machine, certainly, but also a work of art capable of resonating with human feeling. That belief is part of what defines the unique stature and value of Dingwall Guitars today.

8. Conclusion: Expanding Musical Limits Through a Total Ecosystem

The instrument-making philosophy and technological innovation examined in this study have shaken conventional views of the electric bass at their roots.

First, Dingwall sees the instrument not simply as a tool for performance, but as a medium that forms an energy feedback loop between player and audience. A clear, punchy source tone with vivid midrange makes it easier for the live sound engineer to realize a complete mix. When the groove reaches the audience without distortion, it provokes an enthusiastic response, which in turn energizes the performer and creates a virtuous cycle.

Second, to realize that clarity, Dingwall built an entire ecosystem centered on the multi-scale fret system and supported by specialized pickups and dedicated strings. The strong, balanced tension generated by the 37-inch low-string scale resolved “spaghetti string syndrome” and helped push the five-string bass beyond its former limits. Through climate-resistant truss-rod design, carefully paired woods with compatible movement characteristics, and attention to many other small details, the player is freed from worries about durability and allowed to focus entirely on music.

Third, Dingwall integrated onboard preamps developed with two giants of the high-end audio world - Rupert Neve Designs and Darkglass Electronics - and collaborated with engineers influenced by motorsport to redesign the bridge itself. The development of the headless Effigy, informed by marimba acoustics and magnetic structural thinking, represents an interdisciplinary innovation that boldly crosses the traditional boundaries of guitar making.

Taken together, Dingwall Guitars are not merely eccentric basses with angled frets. Sheldon Dingwall’s relentless drive to improve and his commitment to innovation function as a powerful ally for players, allowing them not to be defeated by technical limitations but to open new musical worlds through creativity. His philosophy - that the instrument itself should be a companion that expands musical possibility - offers an important direction for the future of modern instrument making.

References

1. Buy Electric Basses at Thomann, https://www.thomann.de/be/electric_basses.html
2. Multiscale Guitars: Balanced Tension Across Every String - Harley Benton, https://harleybenton.com/backstage/geartalk/multiscale-guitars/
3. Demystifying the multiscale bass guitar | AMS - American Musical Supply, https://www.americanmusical.com/blog/demystifying-the-multiscale-bass-guitar
4. The Multi-scale Mystery Unraveled - InSync - Sweetwater, https://www.sweetwater.com/insync/the-multi-scale-mystery-unraveled/
5. Dingwall Guitars Reviews | Read Customer Service Reviews of dingwallguitars.com | 2 of 2, https://www.trustpilot.com/review/dingwallguitars.com?page=2
6. Dingwall Designer Guitars - Wikipedia, https://en.wikipedia.org/wiki/Dingwall_Designer_Guitars
7. “we’re about to see many more multi scale basses. The patent expired today.” - Reddit, https://www.reddit.com/r/Bass/comments/eiyz0k/were_about_to_see_many_more_multi_scale_basses/
8. “Empowering the Innovators: How Dingwall Guitars Pushes Musical Boundaries” by Sheldon Dingwall
9. About - Riviera Gear, https://rivieragear.com/about/
10. Rio Dream Bass - Dingwall Guitars, https://dingwallguitars.com/bass/john-taylor-signature-model/
11. “Multiscale?” - Reddit, https://www.reddit.com/r/Bass/comments/1gtfnzc/multiscale/
12. Dingwall Effigy - Bass Direct, https://www.bassdirect.co.uk/dingwall-effigy/
13. Do Our Multi-Scale Strings REALLY Make a Difference? - YouTube, https://www.youtube.com/watch?v=kSugnUry-LI
14. Afterburner I - Basses - Dingwall Guitars, https://dingwallguitars.com/bass/afterburner-i/
15. Z - Dingwall Guitars, https://dingwallguitars.com/bass/z/
16. “As it turns out - the Dingwall guys aren’t lying” - Reddit, https://www.reddit.com/r/BassGuitar/comments/1rhb6mf/as_it_turns_out_the_dingwall_guys_arent_lying/
17. How multi-scale basses changed the world / European Dingwall Clinic - YouTube, https://www.youtube.com/watch?v=11bfPfa_Qsk
18. Dingwall John Taylor Signature - Bass Gear Magazine, https://www.bassgearmag.com/dingwall-john-taylor-signature/
19. Dingwall Guitars John Taylor Model - Bass Gear Magazine, https://www.bassgearmag.com/dingwall-guitars-john-taylor-model/
20. Dingwall Guitars Unveils the John Taylor Signature Bass, https://bassmagazine.com/dingwall-guitars-unveils-the-john-taylor-signature-bass/
21. “Dingwall’s metalhype origin?” - Reddit, https://www.reddit.com/r/Bass/comments/15a56vq/dingwalls_metalhype_origin/
22. “Can someone explain to me the difference between the Darkglass / EMG / Neve preamps? Looking to get a second Dingwall...” - Reddit, https://www.reddit.com/r/DingwallGuitars/comments/1jqi5fj/can_someone_explain_to_me_the_difference_between/
23. B2M2 Tone Capsule - Darkglass, https://www.darkglass.com/products/tone-capsule
24. Dingwall Custom Shop Effigy 3-5 - Ferrari Green - PRE-ORDER - Reverb, https://reverb.com/item/93599011-dingwall-custom-shop-effigy-3-5-ferrari-green-pre-order
25. Effigy - Dingwall Guitars, https://dingwallguitars.com/bass/effigy/
26. Dingwall Effigy HEADLESS bass - Pre-Order Deposit, https://www.johnfoxbass.com/product-page/dingwall-effigy-headless-bass-pre-order
27. “Dingwall have introduced a headless model: the Effigy” - Reddit, https://www.reddit.com/r/BassGuitar/comments/1nq3i7d/dingwall_have_introduced_a_headless_model_the/
28. Luthiers’ Round Table | Bass Gear Magazine, https://www.bassgearmag.com/luthiers-round-table-4/