Martin GPC-28E Sitka Spruce - Natural
SKU: 23535304575

Martin GPC-28E Sitka Spruce - Natural

Sale price$1421.55 Regular price$1579.50
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Description

Martin GPC-28E Sitka Spruce - NaturalThe Martin Grand Performance Cutaway acoustic is designed with access and comfort in mind with unmistakable Martin sound and character. The 2018 GPC 28E is a Sitka Spruce top, Indian Rosewood back and sides acoustic with a cutaway at the 14th fret. It features forward shifted scalloped X bracing and Herringbone binding for enhanced appearance. As part of the 2018 Reimagined Standard series, this GPC 28E features Martin's new High Performance Taper

The Martin Grand Performance Cutaway acoustic is designed with access and comfort in mind with unmistakable Martin sound and character.  The 2018 GPC-28E is a Sitka Spruce top, Indian Rosewood back and sides acoustic with a cutaway at the 14th fret.  It features forward shifted scalloped X-bracing and Herringbone binding for enhanced appearance.   As part of the 2018 Reimagined Standard series, this GPC-28E features Martin's new High Performance Taper neck profile and an aging toner top.  The GPC-28E is offered with the choice of electronics: either the LR Baggs Anthem or Fishman Aura VT Enhance systems.  Offered in gloss natural, Sunburst, or Ambertone sunburst, the GPC-28E is an incredible spruce/rosewood acoustic for the player who wants extended fret access.  

Specs

Body Top: Sitka Spruce
Body Back/Sides East Indian Rosewood
Neck Material: Select Hardwood
Fingerboard Material: Ebony
Body Shape: Grand Performance 14 Fret Cutaway
Fingerboard Radius: 16"
Neck Profile: Modified Low Oval w/ High Performance Taper
Scale Length: 25.4"
Bracing: Non-Scalloped w/ Forward Shifted X Brace
Nut: 1 3/4" Bone
Electronics: Fishman Aura VT Enhance
Case: Ply Hardshell
 
Shipping Notes
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  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 23535304575

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4.3 ★★★★★
Based on 314 reviews
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Product Reviews
A
Verified Purchase
Amazon Customer
Pawtucket, US
★★★★★ 1
There seems to be a chronic problem with the provided dispensing pump.
Size: 1 Gallon + Tool, Set name: Off-Road Formula
I looked at online reviews of the product performance and was impressed by its purported ability seal tire punctures. While the product may (or may not) perform well, the provided dispensing pump is pathetically unsuited for the application and it is impossible to clear the pump once the material clogs the small dispensing port. Some of the reviews indicated this but i assumed that they were not very mechanical inclined customers. The product, by design, has particulates, of varying sizes, suspended in the liquid sealant. The port on pump is very small and easily becomes blocked with the sealant and particulates that cannot be cleared; even when following the instructions to do so. It is very irresponsible for the manufacturer to continue selling this item with inevitable relative failure of the pump as this is the only way to get the sealant into a tire.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 2, 2025
V
Verified Purchase
VT
Whiting, US
★★★★★ 5
Good for ebike tires
Size: 1 Gallon + Tool, Set name: Small Tire/Bicycle Formula
Got it for my son’s older ebike that my wife rides now. He kept on popping tubes, maybe because of his weight. Anyhow, I fixed it up for my wife and put some FlatOut in it to prevent flats. Seems to work so far. Got the off road FlatOut for my ebike’s fat tires. Easy to add to the tires. The pump clogs up but it’s easy to clean. I will always add this to all tires moving forward!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026
B
Verified Purchase
Brian ward
Pawtucket, US
★★★★★ 5
Easy to use and works great
Size: 1 Gallon + Tool, Set name: Off-Road Formula
Easy to use
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
K
Verified Purchase
KW
Chelsea, US
★★★★★ 5
Worked on slow leak… one month already!!!
Style: 18oz
Edit: Still holding proper pressure at 2-months !!! Had a slow leak where my tire went from 44psi to ~18psi over 2-3 days… Dashboard light would let me know every few days that I had a tire problem and I would inflate the tire back up to 44psi… Anyway, I used this product and filled air back to 44 psi and it’s held the pressure for a month already !!!! Be sure to deflate tire to ~15 PSI before adding the product… it only took about 30 seconds to empty the container into my tire with the tire pressure low. Very happy with this product !!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
K
Verified Purchase
Kindle Customer
Natrona Heights, US
★★★★★ 5
Excellent stuff!
Style: 18oz
Used this on a Z-Trac with a flat and it fixed it and has held up for over 8 months.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026

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