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- Agile Perihelion Pro 82628 TR MOD SS Metallic Black Sparkle 8-String Headless Guitar – 26.5"–28" Multiscale Tremolo, Fishman Fluence Advanced Order (12-10)
Eight Strings, a 28" Bass Scale, and a Tremolo! The Agile Perihelion Pro 82628 TR MOD SS Metallic Black Sparkle combines an exceptionally unusual collection of features: eight strings, a 26.5"–28" multiscale, a specialized headless tremolo bridge, and a Cepheus locking nut.
The latest V3.7 configuration adds Fishman Fluence Modern three-voice electronics with dual push-pull controls, allowing players to access powerful modern humbucker sounds and an optimized single-coil-style voice.
Additional premium appointments include 24 stainless steel frets, an American-made Richlite fretboard, genuine Luminlay fluorescent side position markers, and a three-piece mahogany/maple neck-through-body design.
The defining feature of the Perihelion Pro 82628 TR is its specialized eight-string multiscale tremolo system.
Most eight-string multiscale guitars use fixed bridges. The Perihelion Pro offers the ability to incorporate expressive vibrato, pitch dips, and other tremolo techniques into extended-range guitar playing.
Designing a tremolo for a multiscale guitar requires accommodating the different scale lengths and saddle positions across the strings. The Perihelion uses a specialized bridge designed for this unusual configuration.
This allows guitarists to combine low-register eight-string rhythm playing with expressive pitch modulation, making the instrument especially appealing for progressive metal, instrumental rock, fusion, and experimental music.
Although other manufacturers offer certain multiscale tremolo guitars, eight-string headless models with a full 28" bass scale remain comparatively uncommon.
The Perihelion Pro uses a 26.5" scale on the highest string and a 28" scale on the lowest string.
The longer bass-string scale provides additional tension at the same pitch and gauge compared with shorter-scale instruments. This can contribute to a tighter picking feel and improved note definition when using lower tunings.
The shorter treble-side scale provides a more manageable playing feel for chords, leads, and melodic passages than a uniform 28" scale.
Compared with ultra-long-scale extended-range guitars extending to 30" or 32", the Perihelion's 26.5"–28" multiscale is more moderate while retaining additional length on the lower strings.
The Perihelion Pro combines a Cepheus locking nut at the neck end with a specialized multiscale tremolo bridge.
The locking nut secures the strings, while the bridge allows expressive changes in pitch using the tremolo arm.
Unlike fixed individual-saddle headless designs, the Perihelion's tremolo bridge moves when operated, creating additional expressive possibilities.
As with other locking tremolo instruments, correct string installation, bridge balance, and overall setup are important for consistent performance.
Significant changes in tuning or string gauges may require adjustments to tremolo spring tension, bridge position, action, neck relief, and intonation.
The V3.7 Perihelion Pro features two angled Fishman Fluence Modern active eight-string humbuckers.
The Fishman Fluence system offers articulate note definition, modern high-gain sounds, and versatile clean and lead tones.
The angled pickup placement complements the multiscale geometry and provides coverage across the eight-string layout.
The updated V3.7 electronics provide three distinct sounds:
The push-pull volume control switches between the two humbucker voices, while the push-pull tone control accesses the third, optimized single-coil-style voice.
A three-way pickup selector provides neck, combined, and bridge pickup settings.
The V3.7 three-voice arrangement replaces the older two-voice, single-push-pull electronics described on earlier Perihelion listings.
Unlike certain other Perihelion configurations with bolt-on necks, this Metallic Black Sparkle model features a three-piece mahogany/maple neck-through-body design with a C-shaped neck profile.
The neck structure extends through the central body section, with mahogany body wings completing the guitar's shape.
Neck-through construction creates a continuous central structure and provides an elegant transition between the neck and body.
The multi-piece mahogany/maple construction offers a stable foundation for the guitar's eight strings and extended bass-string scale.
A dual-action truss rod allows neck relief to be adjusted for different string tensions and playing conditions.
The updated V3.7 design includes refinements to electronics, access, and hardware durability.
The Perihelion Pro features 24 stainless steel frets for excellent resistance to wear and smooth playing characteristics.
Stainless steel frets are particularly useful for players who frequently use bends, vibrato, and technically demanding playing techniques.
The Perihelion Pro features an American-made Richlite fretboard.
Richlite is a durable engineered composite material valued for dimensional stability and a consistent playing surface.
The smooth, dark fretboard complements the Metallic Black Sparkle body and modern headless design.
Genuine Luminlay fluorescent side position markers help players navigate the fretboard on dark stages.
These markers absorb light and glow in low-light environments, providing convenient fret-position references during live performances.
The Perihelion Pro features a contoured mahogany body with a double-cutaway shape.
The headless construction reduces overall instrument length while accommodating the eight strings and 28" bass-string scale.
The guitar measures approximately 35" overall, including the strap button.
The Metallic Black Sparkle finish gives this Perihelion Pro a distinctive, sophisticated appearance.
Fine metallic sparkle throughout the black finish creates visual depth and reflects stage lighting, complementing the guitar's modern body design and specialized tremolo hardware.
The glossy sparkle finish provides a striking alternative to ordinary solid black guitars.
The Perihelion Pro 82628 combines eight-string extended range, a full 28" bass scale, and a tremolo system in one unusual headless instrument.
Its 26.5"–28" multiscale provides additional low-string length without requiring the extreme reach of longer 30" or 32" guitars.
The specialized tremolo and Cepheus locking nut add expressive pitch-changing capabilities unavailable on fixed-bridge extended-range guitars.
V3.7 Fishman Fluence Modern electronics provide three pickup voices through two push-pull controls.
Other premium features include the three-piece mahogany/maple neck-through-body construction, 24 stainless steel frets, Richlite fretboard, Luminlay side markers, and distinctive Metallic Black Sparkle finish.
Eight Strings. Neck-Through Construction. Multiscale Tremolo. Three Fishman Voices! The Agile Perihelion Pro 82628 TR MOD SS Metallic Black Sparkle brings together extended-range performance and expressive tremolo versatility in one extraordinary guitar.
View the Agile Three-Voice Fishman Wiring Reference
This reference illustrates the three-voice switching arrangement. Verify instrument-specific wiring before making repairs or modifications.
Changing string gauges or tunings can affect tremolo spring balance. After significant changes, check the bridge's resting position, neck relief, action, and intonation.
Factory String Gauges (High to Low): .010, .012, .016, .024w, .032w, .042w, .054w, .074w
The 26.5"–28" multiscale supports extended-range playing and offers flexibility for alternate tunings with appropriately selected gauges.
Exact factory tuning is not specified in the published product information.
Because this guitar features a multiscale tremolo, changes in string gauges or tuning may require adjustments to tremolo spring tension, bridge position, neck relief, string action, and intonation.
The Perihelion Pro combines eight strings, a 26.5"–28" multiscale, a specialized headless tremolo, and a Cepheus locking nut. This Metallic Black Sparkle model also features three-piece mahogany/maple neck-through-body construction and V3.7 three-voice Fishman electronics.
It features a specialized eight-string multiscale tremolo, not a fixed bridge. The tremolo allows expressive changes in pitch using the tremolo arm.
Yes. The multiscale tremolo provides expressive vibrato, pitch dips, and other pitch-changing effects during performance.
Some manufacturers offer multiscale guitars with tremolos, but the combination of eight strings, headless construction, and a full 28" bass-string scale remains relatively uncommon.
The Perihelion Pro has a 26.5"–28" multiscale, with a 26.5" scale on the highest string and a 28" scale on the lowest string.
The longer bass-string scale provides additional tension at equivalent pitch and string gauge compared with a shorter-scale guitar. This can help maintain note definition and control when playing lower tunings.
This Metallic Black Sparkle model features a three-piece mahogany/maple neck-through-body design. Unlike a bolt-on neck, the neck structure continues through the central portion of the body.
No. This Metallic Black Sparkle version specifies three-piece mahogany/maple neck-through-body construction. Other Perihelion configurations may use different neck materials and bolt-on construction.
Yes. The Perihelion Pro uses a Cepheus locking nut at the neck end of its headless design.
The locking nut and specialized tremolo are designed to provide stable operation when properly adjusted. Correct string installation, spring balance, and overall setup are important for consistent tuning performance.
Yes. The V3.7 configuration features updated three-voice Fishman electronics with dual push-pull controls, along with refinements to the string-locking hardware and ergonomics.
Yes. The Fishman Fluence Modern active pickups provide two humbucker voicings and a third optimized single-coil-style sound.
The push-pull volume control switches between the two humbucker voicings, while the push-pull tone control accesses the third, single-coil-style sound. A three-way selector provides neck, both-pickup, and bridge settings.
The guitar features two angled Fishman Fluence Modern active eight-string humbuckers with three selectable voices.
Yes. Fishman Fluence active pickups require electrical power to operate.
It features American-made Richlite, a durable engineered composite material known for dimensional stability and a consistent playing surface.
Yes. It features 24 stainless steel frets for excellent wear resistance and smooth playing characteristics.
Yes. Genuine Luminlay fluorescent side markers help players identify fret positions on dark stages.
Yes. This model has a glossy Metallic Black Sparkle finish, with fine reflective particles visible throughout the black surface.
Yes. The 28" bass-string scale provides additional length for lower tunings. Appropriate string gauges and setup adjustments may be necessary.
Yes. Changes in overall string tension can affect the balance between the strings and tremolo springs. The bridge may require adjustment to restore the correct resting position.
Locking tremolo guitars require additional care to maintain bridge balance. Replacing strings one at a time with the same gauges can help minimize changes to the setup.
The factory gauges, listed high to low, are .010, .012, .016, .024w, .032w, .042w, .054w, and .074w.
The published overall length is approximately 35", including the strap button.
The published weight is less than 8 1/2 pounds. Rounded upward to the nearest whole pound, the approximate listed weight is 9 pounds.
Agile Perihelion Pro guitars are manufactured in South Korea.
