SIGMA 40” Acoustic Guitar, OOO, 4/4 Full-Size, with D'Addario EXP16 Strings, Solid Spruce Top, Vintage Tinted Gloss, Mahogany Back & Sides, Right(10A)
Condition: New
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Availability:
Only 9 left in stock, order soon!
Arrives
Thursday, Jun 25
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Size: 39.9"
Features
- Specs - Total Length: 40.1; Scale Length: 24.9; Total Body Length: 19.5; Number of Frets: 20; D'Addario EXP16 (Phosphor bronze) steel string; Neck radius: 320R. (=12.6 inches)
- Handcrafted - The SIGMA acoustic guitar features handcrafted sturdy construction w/ solid Spruce top, Sapele (Mahogany) back & sides. Rosewood fingerboard & bridge. Natural Gloss finished body w/ protective top binding. Beautifully designed OOO body.
- Warm, Rich Tone - New SIGMA models give more than a generous nod to vintage instruments, but they have modern elements to their sound and produce an open, warm tone with clear highs, crisp mids, and balanced lows. SIGMA guitar remains responsive and retains its tonal integrity, which are perfect for musicians-in-the-making or advanced players to play like the pros.
- Quality, Authenticity, Affordability - Exquisitely designed with about 40-inch length, comfortably befit both beginning and experienced guitarists. Every detail matters. SIGMA provides the best quality for everyone on the music journey.
- Every Sigma guitar is carefully inspected before shipping to ensure top quality.
Brand: SIGMA
Color: Vintage Tinted
Top Material Type: Spruce Wood
Body Material: Mahogany, Metal, Rosewood
Back Material Type: Sapele
Neck Material Type: Sapele Wood
Fretboard Material Type: Rosewood
Guitar Pickup Configuration: no
String Material Type: Stainless Steel
Hand Orientation: Right
Top Material Type: Spruce Wood
Body Material Type: Mahogany, Metal, Rosewood
Back Material Type: Sapele
Neck Material Type: Sapele Wood
Fretboard Material Type: Rosewood
String Material Type: Stainless Steel
Material Type: Mahogany Wood, Sapele Wood, Spruce Wood
Guitar Pickup Configuration: no
Hand Orientation: Right
Guitar Bridge System: Fixed
Number of Strings: 6
Item Dimensions L x W x H: 39.9"L x 15.2"W x 4.2"H
String Nut Width: 1.75 Inches
Item Weight: 8.3 Pounds
Item Dimensions: 39.9 x 15.2 x 4.2 inches
Instrument Size: 39.9"
Brand Name: SIGMA
UPC: 812309028483
Manufacturer: Sigma
Manufacturer Part Number: SIG10AVTS
Included Components: Not Included
Instrument: guitar
Color: Vintage Tinted
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Jun 25
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: 39.9"
I am thoroughly impressed and enjoying this OOO guitar with vintage finish. This was purchased to be my beater parlor guitar. The top is solid bookmatched spruce, my top is very nice. The sides and back look like ply sapele. Finish is ok, the bridge has some sharp corners, looks like stained walnut but I don’t mind for the price. The neck is very nice, satin, feels good no fret issues or sharp corners. Haven’t adjusted the truss rod or nut or saddle but everything from the box seems to work. Intonation is spot on. I can’t believe the quality for the price. Tuners are ok. Even without a professional setup It’s a very nice guitar. Good luck, hope it helps you enjoy music.
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Reviewed in the United States on January 24, 2024 by Waka waka
Size: 39.9"
I've been playing for 20+ years and bought this for my son to take to school for guitar class. Was gonna go with a Yamaha but after reading the reviews for both brands I decided to go with this guitar and I'm glad I did. Was packaged perfectly, as for the guitar not to receive damage during shipment. The string height was perfect right out of the box, just tune and play. And with it's solid top and quality construction it sounds just as good as it plays. Tuners work fine and hold tune, intonation was great and I was just really surprised and impressed on the amount of quality you get for the money. I highly suggest this for a beginner or even a beat around, camp guitar for anyone regardless of experience. Sigma is a great brand and you won't be disappointed.
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Reviewed in the United States on August 10, 2025 by Joseph Midkiff
Size: 39.9"
I ordered this at a discount since the box was damaged. the guitar inside was in perfect condition. I could not find a scratch on it or anything wrong with it. The box is very heavy and kept the guitar safe despite the external damage. The guitar itself only required some tension on the truss rod to achieve a perfect low action. The guitar has a nice rich sound low E thru high E and is very clear and articulate. The tuners are very good and it stays in tune. Fit and finish is excellent in my opinion. In conclusion. the quality of the materials, the excellent fit and finish, the attention to detail, the Martin inspired design. All of this makes this guitar an outstanding value. A great choice for your first guitar or as addition to your collection.
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Reviewed in the United States on June 28, 2024 by Mr Ken
Size: 39.9"
When the first guitar arrived (which I later exchanged), it looked fine outwardly—the only issue was that the strings were rusted. I thought, "Okay, that's no big deal; I was planning to replace the strings anyway." I tuned it up and played a bit, only to hear a buzzing sound caused by fret buzz. My years of guitar experience told me I needed to adjust the truss rod in the neck; and wouldn't you know it? The rod had absolutely no tension and just kept spinning freely. So, I contacted Amazon to request an exchange. When the second guitar finally arrived, it was in the ghastly condition you see in the photos—a complete waste of a month and a half of my time.
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Reviewed in the United States on May 4, 2026 Reviewed in the United States on May 4, 2026 by yunxiao ni
Size: 39.9"
I am a beginner guitar player and I love both the look and feel of this SIGMA guitar. I received this guitar just few days ago. It is well packed, and the shipping is fast, thanks Amazon! As I am new to the guitar world, I asked my friend, who has been played guitars for more than 10 years, for advice and teaching. He mentioned SIGMA is a brand with history and the quality should be good and reliable. We tried the guitar together today, and he said it was beyond his expectation. The name-brand Grover tuners is big plus to him. To his understanding, the low-price guitar always comes with cheap plastic tuners that cannot hold tunes stably. Grover tuners do their job perfectly. Also, D'addario string is a fairly good one with fine quality. He played the guitar to test the sound. I think it is decent but not sure if it good or not, but he said, it is a much more refined sound than that of most of the cheap guitars. He shot a short strumming clip. That sounds beautiful for me indeed. Just one hope that if it comes with a bag, that would be great. That said, it is acceptable and understandable it is without accessories in the price though. Bottom line, if you are looking for a great name guitar at an affordable price, I highly recommend this guitar. It is definitely worthy of the purchase! Made by solid wood materials, along with these high-class tuners and strings, my friend said this guitar should be more than 300 bucks😁 Overall I am pleased to have this guitar and hope to play like a pro ASAP! 😉
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Reviewed in the United States on September 13, 2020 Reviewed in the United States on September 13, 2020 by Anonymous
Size: 40”
Bought this guitar for my time at AIT in the Army. I would say this is probably one of the best guitars you can buy for under $200. The built in tuner works ok I’ve been playing for 20 years so I’m very picky about my guitars. I had to adjust the neck a little bit but not much. It came with a hex to adjust it
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Reviewed in the United States on September 20, 2025 by collin plancich
Size: 41”
After seeing and playing the respectable Sigma 3/4 Junior and 000 guitars I had to go ahead and try the solid mahogany top dreadnought. However, unlike the others I was a little disappointed. The fit and finish was subpar and I feel the gloss choked out any real mahogany tone from the top, leaving the tone somewhat hollow with no low end. It came very playable right out of the box and feels good in hand. If someone were to fall in love with one I would expect them to have a guitar that plays well and lasts a long time. However, at this price point Yamaha is going to handily beat out Sigma in the dreadnought category regarding build quality and tone 100%.
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Reviewed in the United States on December 4, 2024 by Sheridan
Size: 39.9"
I read all of the glowing reviews and against my better judgement decided to take a chance and guess what, my better judgement was correct and I should’ve listened to it. The strings were badly corroded, the top color was a gaudy yellow orange color, the neck had a pronounced back bow and the nail in the coffin was the totally non adjustable truss rod. It just spun like it was not connected to anything or broken. 😞 Been working on guitars for 25 years so I have a bit of knowledge on how it’s supposed to work. I’m happy for all the folks who got good ones but just wanted to let everyone know that there are some clunkers in the system so buyer beware! Thankfully Amazon has a great return system.
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Reviewed in the United States on April 23, 2026 by Edgar L. Whitney