Core-GA Formosan Koa

Cort Core GA Koa Acoustic Guitar Hero

Cort Core GA Koa Acoustic Guitar Hero Mobile

The Solid Wood Secret

Core-GA Formosan Koa

Core-GA Formosan Koa

Core-GA Formosan Koa

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DESCRIPTION

Solid Formosan koa back and sides make this Grand Auditorium come alive – the entire body vibrates as one instrument, not just the top. Combined with a solid spruce top, the Core-GA Formosan Koa delivers the full resonance and harmonic richness that only all-solid wood construction can provide. That's the solid wood secret.

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Cort Core GA Koa Acoustic Guitar Story 1

Cort Core GA Koa Acoustic Guitar Story 1 Mobile

All Solid Tonewoods, No Compromises

The Core-GA Formosan Koa uses all solid woods to deliver dynamic tone that matures over time. The solid Formosa koa back and sides add rich warmth in the low to mid frequencies with smooth, natural highs, complementing the solid spruce top's natural power and nuance.

Cort Core GA Koa Acoustic Guitar Story 2

Cort Core GA Koa Acoustic Guitar Story 2 Mobile

Responds to How You Play

The solid Formosan koa's back & sides deliver a wider dynamic range that lets you shape the sound with your touch. Dig in for a bold, projecting tone or play softly for a smooth, refined voice. The solid wood construction means the entire guitar responds to your playing style.

Cort Core GA Koa Maple Acoustic Guitar Story 3

Cort Core GA Koa Maple Acoustic Guitar Story 3 Mobile

Ready to Amplify, Anywhere

The discreet side-mounted controls and onboard preamp give you a clean acoustic tone on any stage. It’s easy to dial in, with volume and tone controls right at your fingertips.

Cort Core GA Koa Maple Acoustic Guitar Story 4

Cort Core GA Koa Maple Acoustic Guitar Story 4 Mobile

Solid Materials, No Shortcuts

From the genuine bone nut and saddle to the dovetail neck joint and all-solid woods, every detail on this guitar is built for tone and built to last.

Cort Core GA Koa Maple Acoustic Guitar Story 5

Cort Core GA Koa Maple Acoustic Guitar Story 5 Mobile

Grand Auditorium Versatility

The GA body shape delivers the best of both worlds – the intimate response of a concert guitar with the projection of a dreadnought. Whether you're fingerpicking intricate passages or strumming full chords, this balanced design adapts to your musical style without fighting you.

Core GA Formosan Koa Headstock back features

Vintage Open-Gear Tuners

Smooth operation with classic aesthetics for precise tuning control.

Core OC Maple Guitar Body closeup on bridge

Rosewood Bridge & Fingerboard

Dense hardwood materials that enhance sustain and playing comfort.

Hand-Scalloped X-Bracing

Traditional bracing technique that maximizes top vibration for enhanced resonance.

Core OC Maple insde of the soundhole with fishman pickup

Fishman® Presys VT Electronics

Professional-grade preamp with volume and tone controls for reliable amplified performance.

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“To I”, Demo by Sanghyeok Chun

Cort Core GA Formosan Koa Acoustic Guitar Lifestyle 10

Cort Core GA Formosan Koa Acoustic Guitar Lifestyle 9

Cort Core GA Formosan Koa Acoustic Guitar Lifestyle 8

Cort Core GA Formosan Koa Acoustic Guitar Lifestyle 7

Cort Core GA Formosan Koa Acoustic Guitar Lifestyle 6

Cort Core GA Formosan Koa Acoustic Guitar Lifestyle 12

Cort Core GA Formosan Koa Acoustic Guitar Lifestyle 13

Cort Core GA Formosan Koa Acoustic Guitar Lifestyle 11

Cort Core GA Formosan Koa Acoustic Guitar Lifestyle 4

Cort Core GA Formosan Koa Acoustic Guitar Lifestyle 5

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Support & Documentation

Acoustic guitar manual How to adjust neck truss rod

Contact us to get more information about this instrument or to ask questions.

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Core-GA Formosan Koa

Specifications

Overview
Top Material	Solid Spruce
Back & Sides Material	Solid Formosan Koa
Body Shape	Grand Auditorium
Body Finish	Semi Gloss
Construction	Dovetail Neck Joint at 14Fret
Bracing Pattern	Hand Scalloped X-Bracing
Scale Length	25.5″ (648mm)
Electronics	Fishman® Presys VT
Body Binding Material	Aged White ABS
Rosette	Black & Aged White ABS
Bridge Material	Rosewood
Bridge Pin Material	Black with White dot
Saddle	Genuine Bone
Neck Material	Mahogany
Neck Shape	C Shape
Neck Finish	Semi Gloss
Nut Material	Genuine Bone
Nut Width	1 3/4″ (44.5mm)
Fingerboard Material	Rosewood
Fingerboard Radius	15.75″ (R400)
Number of Frets	20 Frets
Inlay	N/A
Tuning Machines	Vintage Open Gear
Strings	Elixir® Phosphor Bronze Nanoweb Light 12-53
Colors	Light Burst Top Semi Gloss (LBSG)

Headstock
Headstock Shape	Gold Head Shape
Headplate Material	Black ABS
Head Back Plate Material	N/A
Headplate Logo Style	2025 New Cort Logo
Headplate Logo Material	Mother-of-Pearl
Headplate Inlay Material	Abalone, Mother-of-Pearl
Head Binding Material	N/A
Head Purfling Material	N/A
Headplate Finish	Semi Gloss
Head Volute	N/A

Neck
Neck Thickness	1st Fret: 21.5mm / 8th Fret: 22.0mm
Neck Heel Shape	Triangle Heel Shape
Neck Heel Cap	Aged White ABS
Fingerboard Inlay Material	N/A
Fingerboard Binding Material	N/A
Fingerboard Purfling Material	N/A
Truss Rod	Dual Acting / 4mm Wrench
Fret type	2.0mm Width
Side Position Mark	Dot

Body
Sound Port (Hole)	95mm
Bracing Material	Spruce
Bridge String Spacing	54.1mm
Body Purfling Material	N/A
Back Strip Material	N/A
Bevel Cut	N/A
Endpiece Material	N/A
Cutaway Style	Venetian

Accessories
Case	Cort Gigbag
Label	Paper Label
Pickguard	N/A

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