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Binh Van Hoang's Crossover Classical Guitar
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The Rose Tiger
Commissioned by Binh Van Hoang
The Rose is a full size Cross Over Classical Guitar with Dreadnaught proportions, scale length of 645mm, 12 frets to the body. This Guitar, serial No. CrossO-ATW001 was made by hand using the materials list below.
Back and Sides - Amazon Tigerwood (Astronium spp.)
(A. graveolens or A. fraxinifolium)
Tigerwood, also known as Goncalo Alves, originates on the East Coast of Brazil. Huge logs up to six feet in diameter are available, but these large logs usually lack the beautiful dark streaking that makes this wood so desirable. Naturally oily, the wood has superb stiffness, strength, hardness, and durability, is dense and takes an incredible polish.
Soundboard - California Redwood (Sequoia sempervirens)
Redwood is very soft and lightweight, with a good strength-to-weight ratio. It is also exceptionally stable, with very little shrinkage or seasonal movement. Capable of attaining heights of nearly 400 feet, Redwood is the world’s tallest tree species. It grows in a very limited area on the Pacific coast of north-western United States, where heavy rainfall and cool, damp air creates a unique environment.
Soundboard Bracing System - Falcate
The Falcate soundboard bracing system has been made to fit into and was assembled in a 40ft radius dish, which increases its stiffness and structural integrity. The Carbon Fiber reinforced Falcate (Sickle shaped) Bracing is made of strips of King Billy Pine, laminated into sickle shapes that are radiused to 40ft. There’s a layer of Carbon Fiber between the bracing and the soundboard. The Bracing tops were profiled, and another layer of Carbon Fiber put over the top, effectively making an “Í-Beam” like structure. This radiused and curved symmetrical bracing system is of low mass and is incredibly stiff.
Headstock (front), Bindings, Bridge & Fretboard – Ringed Gidgee (Acacia cambagei)
The Fretboard is bound with Black Gidgee and has 2mm Paua purflings. Gidgee is perhaps Australia's hardest wood. This is the same species as Ringed Gidgee except it is much darker, nearly black. It came from Central Western Queensland near Isisford.
Headstock (rear) and Body Bevel – Jungle Blackwood Acacia spp.?
This wood came from near Wujal Wujal, in the Cape York Region, definitely in the Acacia family, but species unknown.
Body and Fretboard Purflings– New Zealand Paua Shell (Haliotis iris or austalis)
Paua is the Mauri name for Abalone. While the name Paua is used extensively in NZ to describe any Abalone collected from NZ waters, in the Luthier world Paua usually means it’s the predominately blue abalone that comes from the south end of the South Island.
Rosette – Open Composite Design
Composite design using segments of Rosewood Burl and Ringed Gidgee Heart and Sapwood.
Nut and Saddle – Hand made from Northern Territory Buffalo Horn
The 6mm saddle is a firm fit into the Bridge but can be removed if needed. It has a line scribed along the soundhole face; this indicates the orientation of the saddle in the bridge. The Nut has been slotted for EJ45TT Strings. The Nut is also a firm fit; it has a small amount of CA glue holding it in place.
Fretwire – Jescar Evo-Gold
EVO Gold wire is a harder material than nickel silver though not as hard as stainless steel. It has excellent working properties and provides the player with increased fret life. The Fret ends have been individually spherically shaped and polished.
Neck - Queensland Maple (Flindersia brayleyana)
Queensland Maple is one of the most popular woods for instruments. It is very stable and can be visually stunning. A 3-piece neck, with Ringed Gidgee Spine and a Volute transition between neck and headstock. The Neck is fitted with a Double Acting Steel Trussrod, accessible from the Soundhole with a 4mm Allen key. The Neck to Body Joint is a “Flat Bolt on Bolt Off” construction, having 2 x 6mm metal threaded inserts in the neck heel. These bolts are accessible through the Soundhole with a 4mm Allen Key.
Tuners – Custom Built by Rubner of Germany,
Gold with engraved plates and Rosewood Buttons. Exceptional High-quality tuners and recognized as such around the world. Rubner was founded in 1864 by Josef Rubner, as the first machine centre in Markneukirchen, Germany. The Company is still family owned, now run by Hans-Thomas Rubner a 5th generation Rubner, and still using some of the century old machinery.
Strings – D’Addario Pro-Arte Dynacore EJ45TT
Pickup – Misi battery-less preamp c/w LR Baggs Transducer
The preamp for this system uses Mi-Si’s custom piezo linearization scheme - allowing for the most truthful and accurate sound from the pickup. A 60 second charge using the Mi-Si Power Charger provides 16 hours of play time.
Finish - Hand Polished, Nitro Cellulous Lacquer
A hardwearing lacquer that is chemical resistant and easily repaired. Sprayed with 20 coats, then levelled and polished by hand.
Commissioned by Binh Van Hoang
The Rose is a full size Cross Over Classical Guitar with Dreadnaught proportions, scale length of 645mm, 12 frets to the body. This Guitar, serial No. CrossO-ATW001 was made by hand using the materials list below.
Back and Sides - Amazon Tigerwood (Astronium spp.)
(A. graveolens or A. fraxinifolium)
Tigerwood, also known as Goncalo Alves, originates on the East Coast of Brazil. Huge logs up to six feet in diameter are available, but these large logs usually lack the beautiful dark streaking that makes this wood so desirable. Naturally oily, the wood has superb stiffness, strength, hardness, and durability, is dense and takes an incredible polish.
Soundboard - California Redwood (Sequoia sempervirens)
Redwood is very soft and lightweight, with a good strength-to-weight ratio. It is also exceptionally stable, with very little shrinkage or seasonal movement. Capable of attaining heights of nearly 400 feet, Redwood is the world’s tallest tree species. It grows in a very limited area on the Pacific coast of north-western United States, where heavy rainfall and cool, damp air creates a unique environment.
Soundboard Bracing System - Falcate
The Falcate soundboard bracing system has been made to fit into and was assembled in a 40ft radius dish, which increases its stiffness and structural integrity. The Carbon Fiber reinforced Falcate (Sickle shaped) Bracing is made of strips of King Billy Pine, laminated into sickle shapes that are radiused to 40ft. There’s a layer of Carbon Fiber between the bracing and the soundboard. The Bracing tops were profiled, and another layer of Carbon Fiber put over the top, effectively making an “Í-Beam” like structure. This radiused and curved symmetrical bracing system is of low mass and is incredibly stiff.
Headstock (front), Bindings, Bridge & Fretboard – Ringed Gidgee (Acacia cambagei)
The Fretboard is bound with Black Gidgee and has 2mm Paua purflings. Gidgee is perhaps Australia's hardest wood. This is the same species as Ringed Gidgee except it is much darker, nearly black. It came from Central Western Queensland near Isisford.
Headstock (rear) and Body Bevel – Jungle Blackwood Acacia spp.?
This wood came from near Wujal Wujal, in the Cape York Region, definitely in the Acacia family, but species unknown.
Body and Fretboard Purflings– New Zealand Paua Shell (Haliotis iris or austalis)
Paua is the Mauri name for Abalone. While the name Paua is used extensively in NZ to describe any Abalone collected from NZ waters, in the Luthier world Paua usually means it’s the predominately blue abalone that comes from the south end of the South Island.
Rosette – Open Composite Design
Composite design using segments of Rosewood Burl and Ringed Gidgee Heart and Sapwood.
Nut and Saddle – Hand made from Northern Territory Buffalo Horn
The 6mm saddle is a firm fit into the Bridge but can be removed if needed. It has a line scribed along the soundhole face; this indicates the orientation of the saddle in the bridge. The Nut has been slotted for EJ45TT Strings. The Nut is also a firm fit; it has a small amount of CA glue holding it in place.
Fretwire – Jescar Evo-Gold
EVO Gold wire is a harder material than nickel silver though not as hard as stainless steel. It has excellent working properties and provides the player with increased fret life. The Fret ends have been individually spherically shaped and polished.
Neck - Queensland Maple (Flindersia brayleyana)
Queensland Maple is one of the most popular woods for instruments. It is very stable and can be visually stunning. A 3-piece neck, with Ringed Gidgee Spine and a Volute transition between neck and headstock. The Neck is fitted with a Double Acting Steel Trussrod, accessible from the Soundhole with a 4mm Allen key. The Neck to Body Joint is a “Flat Bolt on Bolt Off” construction, having 2 x 6mm metal threaded inserts in the neck heel. These bolts are accessible through the Soundhole with a 4mm Allen Key.
Tuners – Custom Built by Rubner of Germany,
Gold with engraved plates and Rosewood Buttons. Exceptional High-quality tuners and recognized as such around the world. Rubner was founded in 1864 by Josef Rubner, as the first machine centre in Markneukirchen, Germany. The Company is still family owned, now run by Hans-Thomas Rubner a 5th generation Rubner, and still using some of the century old machinery.
Strings – D’Addario Pro-Arte Dynacore EJ45TT
Pickup – Misi battery-less preamp c/w LR Baggs Transducer
The preamp for this system uses Mi-Si’s custom piezo linearization scheme - allowing for the most truthful and accurate sound from the pickup. A 60 second charge using the Mi-Si Power Charger provides 16 hours of play time.
Finish - Hand Polished, Nitro Cellulous Lacquer
A hardwearing lacquer that is chemical resistant and easily repaired. Sprayed with 20 coats, then levelled and polished by hand.