Cort GA5F Koa Natural Overview + OMB Tech

Original price was: $1,132.Current price is: $1,029.


You can pay in multiple monthly installments!


OMB tech mounted on the GA5F acoustic guitar, will take your playing experience to a whole new level of fun, challenge your imagination and develop your creativity as a musician.
With the OMB tech you can enjoy the accompaniment of a full size virtual band, following your chord progression in real time without changing the way you play and your original guitar sound.
You can control all parts of the band – style, mix, tempo, drum fill, record and more while you are playing.
You could also play different solo sounds i.e. violin, sax, organs, vocals, synth, from your iPad /iPhone, DAW or favorite keyboard.
The combination of the OMB technology with the beautiful sound and touch of the GA5F inspires your playing like never before.

The Cort Grand Regal Acoustic GA5F is bold, attractive, and supremely versatile. Sporting an all-koa finish, it displays a stunning natural grain pattern together with warm and balanced tones. Those tones strike the perfect blend of a larger and smaller acoustics thanks to the modern Auditorium shape. Designed to sit between a dreadnought and Grand Concert in size, this easy-playing form is the perfect performance workhorse – equally suited to strumming, fingerpicking and flatpicking.


Featuring koa back and sides, together with a solid spruce top with koa veneer, the GA5F promises rich and warm tones – with a defined high-end sparkle and bold mid-range. Its solid spruce top allows for robust projection and volume, but for those times you need a bit extra there’s the advanced Fishman electronics. They reproduce the natural character of the GA5F, together with EQ and phase options for sound-sculpting. Complete with premium appointments like an ovangkol fretboard, genuine bone nut and saddle, and ebony bridge pins for enhanced resonance and sustain – the GA5F is the ideal “do-anything” acoustic for modern players

Full Description

Auditorium Cutaway Body:

The Cort Grand Regal Acoustic GA5F features a body shape known as the Grand Auditorium, which strikes a perfect balance between the larger Dreadnought and the more intimate Grand Concert. With a body depth of 117mm (4 5/8″), an upper bout width of 292mm (11 1/2″), and a lower bout width of 405mm (16″), this guitar is designed to provide exceptional versatility. Whether you prefer strumming and flatpicking or fingerstyle playing, the Grand Regal can accommodate a variety of playing styles. Its well-balanced tone and projection make it an excellent choice for the versatile acoustic player who seeks a single guitar that can deliver a range of sounds.

Genuine Bone Nut & Saddle:

Crafted from water buffalo bone, the nut and saddle of the Grand Regal GA5F ensure the most natural and transparent transfer of string vibrational energy into the body and neck. This material is renowned for its ability to enhance the sustain and resonance of the guitar, resulting in a rich and dynamic tone. The use of bone also contributes to the instrument’s longevity, providing exceptional durability and resistance to wear. With the authentic bone nut and saddle, you can expect a guitar that not only performs at its best but also delivers a beautifully balanced and resonant sound.

45㎜(1 ¾”) Nut Width:

The Cort Grand Regal GA5F boasts a slightly wider nut width of 45mm (1 ¾”). This wider spacing between the strings makes it easier for fingerstyle players to navigate the fretboard without sacrificing comfort or accuracy. Whether you’re executing complex chord formations or intricate fingerpicking patterns, the wider nut width offers a generous amount of space for your fingers to maneuver. You’ll enjoy increased precision and control, allowing you to fully express your musicality and artistry.

Ebony Bridge Pins:

In addition to the bone saddle, the Grand Regal Series is equipped with ebony bridge pins. These pins contribute to the guitar’s overall tonal excellence by enhancing string vibration and resonance. Ebony is a dense and durable wood known for its ability to transmit vibrations effectively, resulting in a more natural and lush sound. With the combination of the bone saddle and ebony bridge pins, the Grand Regal GA5F offers an enhanced level of tonal clarity, projection, and sustain. Prepare to experience an exceptional instrument that produces a rich and vibrant acoustic sound.

Fishman® Presys EQ:

The Cort Grand Regal GA5F comes fitted with the Fishman® Presys electronics system, providing you with a wide range of sonic possibilities. The system features a 3-band EQ, LED tuner, and Phase control, allowing you to tailor your sound to suit different playing situations or amplification needs. Whether you’re performing on stage, recording in the studio, or practicing at home, the Fishman® Presys EQ ensures that your guitar’s natural acoustic tone is faithfully reproduced. This versatile system offers sonic flexibility while providing convenient and easy-to-use controls. Experience the freedom to shape your sound and achieve professional-level results with the Fishman® Presys EQ.


  • Product Name: Cort Grand Regal Acoustic GA5F, Koa Natural
  • Product Code: GA5F-KOA NAT


  • Construction: Dovetail
  • Body: Grand Auditorium Cutaway – Venetian
  • Top: Solid Sitka Spruce with Koa Veneer
  • Back & Sides: Koa

Neck & Fretboard

  • Neck: Mahogany
  • Heel Shape: Triangle
  • Head Plate: Koa
  • Binding: ABS White
  • Fretboard: Ovangkol 15.75″ (400㎜)
  • Frets: 20
  • Scale: 25.5″ (648㎜)
  • Inlay: Abalone, MOP
  • Nut Width: 1 3/4″ (45㎜)

Hardware & Electronics

  • Nut & Saddle: Bone
  • Tuners: Die-Cast
  • Rosette: BK, WH, Abalone
  • Bridge: Ovangkol w/ Ebony Pins
  • Pickups: Fishman® Sonicore
  • Electronics: Fishman® Presys
  • Strings: D’Addario Nickel Bronze 10-47
  • Bracing: Hand Scalloped X-Bracing


Additional information


Flamed Mahogany OP, Natural

Voted Best Guitar Innovation

2000% Project Backing

Word of Mouth

Guitar players share their OMB impressions

Frequently Asked Questions

OMB is suitable for all levels – beginners, midrange and performers.

The OMB guitar is designed as an out of the box solution and it is easy to start enjoying the band accompaniments. When receiving it, you will need to go through a short learning curve, watch the tutorials, and mainly learn the basic options the app offers.
As any other musical instrument, the more you dive into it, learn and try, the more possibilities will open.

All you need is an iPad / iPhone and you’re ready to start.

The OMB guitar is just like any other guitar, you connect it to the amp through the ¼ inch jack. It can also be used as a regular guitar.
The digital virtual band accompaniment comes out of the app. Use the headphone jack on your mobile device or iPad to connect it to an amp/speaker (Regular ⅛ inch aux cable).
If your device doesn’t have a headphone jack, use a converter dongle from the charging port to the headphone jack.
This way you get 2 channels, one for the guitar and one for the digital accompaniment and can reach a perfect balance.

You can download the Xmure app here: Link
1) Tap the icon on the top right
2) Tap the wagon cart
3) You can now scroll down through the different styles/genres and listen to a demo of each one.

OMB does not teach how to play, it enhances your playing, adding fun and creativity! Beginners gain immediate gratification and sense of accomplishment. Mid-level players get a better understanding on how a song is built and an amazing practicing experience. Pros can use it live or in the studio.

The OMB guitar can connect to any Midi software, DAW, Midi keyboard or app and control them.
If our OMB or Xmure App are not enough for your professional needs, we recommend connecting the guitar to an external module such as Ketron.
We have a collaboration with one of the best companies in the world for sound arrangers and as an OMB user you can get special discounts on those products.

Feel free to check them out: Sound modules on the OMB Shop

Most users of any level are happy with the options the app provides. If that is not enough for your professional needs, you can consider working with an external module such as Ketron: Sound modules on the OMB Shop

30 days money back guarantee for kits and pedals
14 days money back guarantee for guitars
Check out our full policy here – OMB Shop Terms & Conditions

The installation is simple, any professional installer in your area can easily do the installation.

On most acoustic and electric guitars.

Absolutely! If you have experience in installation and soldering, you are welcome to do it yourself: OMB Video Tutorials

We are here for you

Zoom/video calls with live demo – Try our products online!

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