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Songwriter Cutaway Progressive
A handmade guitar for the modern day progressive acoustic player
Combining our rich history of hand built acoustics with modern innovations the Songwriter Progressive features cutting - edge improvements to complement any playing style. Including Gibson G FORCETM tuners for quick access to standard and alternate tunings, titanium Tune-o-matic saddle for fast playing string action and easily adjustable string height. A slimmer body design provides outstanding comfort and performance.
Gibson G FORCE tuners The most innovatice tuning system available. The G FORCE tuners allows the player to quickly switch between standard and alternate tunings. Elmininating the need for multiple instruments in different tunings. Bridge and Saddle New sleek titanium and black saddle allows for easy string height adjustments and improved acoustic guitar intonation Upgraded Pickup New for 2016 the J-45 Progressive features an award-winning LR Baggs Lyric pickup using a microphone to best capture the natural sound of this progressive instrument New Finish A new Gibson Acoustic color, the Autumn Burst top finish lends an exclusive and elegant upgrade to the J-45 Progressive Truss Rod Cover New for the 2016 line, custom engraved 2016 truss rod covers Softened fingerboard edge Gibson Acoustic "rolls" the edges of the fingerboard into the curve of the neck profile for a sublimely comfortable playing feel Smoother, glossier finish The use of finer grit sandpaper and polishing compounds in a laborious hand-rubbed process results in a smoother high-gloss finish Cutting edge Plek setup, with hand finishing A final setup on our German-engineered Plek system yields uncompromising playability, which is completed by hand for utter perfection Hand-rubbed oil finish on fingerboards and bridges Deeper penetrating oils hand-rubbed into critical wood components yield smoother and more durable fingerboards and bridges
Wood Species: Sitka Spruce
Pieces: 2
Grade: AA
Binding: 6 ply top
Wood Species: Rosewood
Pieces: 2
Binding: 1 ply
Weight Relief:
Average Weight (body only): 1.247 kg / 2.75 lbs
Materials Used
Glue: Franklin Titebond 50
Tonal, Resonant, and/or Technical Effect: Radiused top with scalloped bracing for projection and resonance
Body Contour
Carve: Radiused
Wood Species: Mahogany
Pieces: 1
Truss Rod: Single Action
Profile: Round
Thickness at Fret 1: 2.059cm / .811"
Thickness at Fret 12:
Other Materials: Franklin Titebond 50, hot hide glue neck joint
Average Weight: 448.60gr / .989lb
Peg Head
Type: CF-100
Inlay: MOP
Peg Head Binding:
Headstock Angle: 17 degrees
Tonal, Resonant, and/or Technical Effect: Compound Dovetail neck joint for resonance distribution throughout guitar
Neck Fit
Joint Angle: 3 degrees
Joint Angle Tolerance:
Type: Compound Dovetail
Adhesive: Hot hide glue
Gauges Used: Longscale Pitch Gauge, Rule
Material: Black Tusq
Width: 4.38 cm / 1.725"
Slots: E: 0.053
A: 0.042
D: 0.032
G: 0.024
B: 0.016

e: 0.012
Wood Species: Richlite
Pieces: 1
Fingerboard Details
Radius: 30.48 cm / 12 "
Frets: 20
Nut/End of Board: 4.38cm / 1.725" @ nut, 5.715cm / 2.25" @ end of board
Scale: Long (25 1/2")
Binding: Single Ply Cream
Side Dots (Color): Black
Fingerboard Inlays
Style: Split block and triangle
Material: Mother of Pearl
Average Weight: 111.13gr / 3.92oz
Autumn Burst
Color Code: AB
Surface Texture: Smooth/ Hi Gloss 90 Sheen Lacquer
Filler: Rosewood
Sealer: 1-1.5 mils
Top: H.B. - TV-L41R0016L1, SNBRST YELLOW ANY0033, Unitone L41N0049
Top Coat: Hi Gloss Lacquer/ 90 Sheen 7-8 mils
Scraped: Fingerboard Sides and Nut
Pickups Rhythm Lead
Style: L.R. Baggs Lyric
Winds/Coil: Screw side/Slug side:
Material of Wire (gauge):
Coil Dimensions (per coil):
Coil Material:
Coil Winding Process:
Pole Piece Material:
Pole Piece Position from Nut:
Slug Material:
Slug Dimensions (diameter x length):
Magnet Material:
Magnet Position from Nut:
Magnet Dimensions:
Resonant Frequency:
Tonal & Resonant Advancements:
Control Pocket Assembly Lead Volume Rhythm Volume
Peak Voltage:
Power Rating:
Resistance Tolerance:
Minimum Resistance:
  Lead Tone Rhythm Tone
Peak Voltage:
Power Rating:
Resistance Tolerance:
Minimum Resistance:
Capacitors: Lead Value Rhythm Value
Tuning Keys
Style: G-Force
Weight: 283.49gr / 10.0oz
Tuning Keys Details
Tuning Ratio:
Gear Type:
What is allowable turn:
Plating specs: Nickel
Part numbers: 140-130-747
String Dimensions
E: 0.053
A: 0.042
D: 0.032
G: 0.024
B: 0.016
e: 0.012
Style: Belly up Tune-o-matic
Material: Richlite with adjustable bridge w/titanium saddles
Plating Specs:
Part number: 140-120-922, 140-130-867
Weight: 28.57gr / 1.008oz
Output Jack
Style: 1/4" mono
Strap Buttons
Material: L.R. Baggs Lyric
Plating Specs:
Part numbers:
Pick Guard
Style: Custom Line Tortoise
Part Number: 140-130-950
Truss Rod Cover
Style: 2016
Part Number: 140-130-840
Part Number:
Style: Hard Shell
Color: Black
Strap Locks:
Manual: Gibson Acoustic Owner's Manual
COA/Other: None