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At A Glance
- Construction
- Dovetail Neck Joint
- Body
- Dreadnought Body
- Nut Width
- 43mm (1 11/16")
- Top
- Solid Spruce Top
- Back & Sides
- African Mahogany (Okoume)
- Neck
- Mahogany (Palaquium)
- Binding
- Ivory body binding
- Fretboard
- Ovangkol Frets
- Frets
- 20 Frets
- Scale
- 643mm (25.3")
- Inlay
- White dot inlay
- Rosette
- Multiple Rosette
- Bridge
- Ovangkol
- Strings
- D'Addario EXP16 Strings
- Bracing
- Advanced Scalloped X-Bracing
- Additional
- Left handed, 12 strings available
- Finish
- Open Pore
Cort built the EARTH70-OP as part of its Earth Series, a line positioned as the brand's homage to vintage acoustic guitars. The series aimed to capture the look, sound, feel, and playability of those instruments, and the EARTH70 sat within that line as a dreadnought-body flattop suited to both flatpicking and fingerstyle players.
The guitar is built around a solid spruce top with advanced scalloped X-bracing and African mahogany (Okoume) back and sides — a construction pairing consistent with the Earth Series' use of time-tested classic materials. The mahogany (Palaquium) neck joins the body via a dovetail neck joint and carries an Ovangkol fretboard and bridge, 20 frets, white dot inlays, a multiple rosette, and ivory body binding. The nut width measures 43mm (1 11/16") and the scale length 643mm (25.3"). The guitar ships strung with D'Addario EXP16 strings. The EARTH70-OP was also available in a left-handed configuration and as a 12-string variant. The open pore finish is indicated by the OP suffix in the model designation.
Owners requiring setup adjustments, fret work, or guidance on sourcing compatible replacement parts — including bridge saddles, nuts, or tuning machines sized to this instrument's specifications — should consult a qualified luthier or guitar technician.
STRAIGHT TALK
What Stands Out
Keep In Mind
From the people who own them
Nothing in The Vault is for sale. These records exist so the instruments stay documented after the manufacturer moves on — and the most useful part of that record is what owners add to it.
Owner photos
Put yours on the record.
The catalog shot showed one finish, under one light, a long time ago. Yours has been played. Photos from owners are what the next person finds when they are trying to identify a part, match a finish, or work out whether the one they just bought is really what the seller said it was.
What do you know about this one?
Specs only go so far. What actually fits, what breaks first, what the factory got right and what everyone ends up changing — that lives with the people who own them, not in a datasheet. Post what you know and it stays on this page for whoever comes looking next.
Build Your Complete System
Manufacturer-verified compatible cameras, recorders, mounts, accessories, and licenses for this product. Adjust quantities and add the entire bundle to your cart in one click.
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Gear Help, Handled
From spec questions to full builds — players who have lived this gear since 2007.
Since 2007
Fit & Compatibility
- Bridge, tuner, and nut fit confirmed for your guitar
- Pickup and electronics compatibility checks
- Pedal power and amp/cab impedance matching
Mods & Upgrades
- Upgrade paths for the guitars you already own
- Wiring, routing, and hardware swap guidance
- Advice from people who actually do the mods
The Vault
- Discontinued and EOL guitars kept on record
- Specs, history, and known part compatibility
- Share your builds and mods with the community
