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Born as the entry line to the legendary CF Martin, SIGMA is back to the US market.
The all-new SIGMA from St. Louis Music is a ‘Modern Classic’.
It gives more than a generous nod to vintage instruments, but they have modern elements to their sound and produce an open, warm tone with comfortable playability.
Now, the all-new SIGMA series is exclusive on Amazon USA.
The Best Gift for Beginner & Intermediate
Exquisitely designed in many styles, the all-new SIGMA guitars befit both beginner and intermediate guitarists on their music journeys.
✔️QUALITY: Crafted with carefulness in every detail, SIGMA comes with the premium solid woods on top.
✔️ATTRACTIVE: As a generous nod to vintage instruments, SIGMA focuses on making guitars decent in every aspect, tonally & structurally.
✔️AFFORDABLE: Aspiring to extend the joyfulness to every guitar fan, SIGMA is dedicated to the real bang for your buck.
- Solid Spruce Top
- Sapele (Mahogany) Back and Sides
- Premium D’Addario EXP16 Coated Phosphor Bronze Acoustic Guitar Strings
- Total Length: 39.9”, Scale Length: 24.9”, Body Length: 19.4”.
- Neck radius: 320R =12.6"
Premium Wood Materials
The SIGMA acoustic guitar features handcrafted sturdy construction w/ solid spruce top with Sapele (Mahogany) back & sides, and rosewood fingerboard & bridge. Sapele is renowned for the consistent and balanced tonal output, compatible with a diverse range of playing styles. The rosewood bridge and fingerboard ensure the strong conductivity and resist the pressure of the string without deformation easily.
D'Addario EXP16 Strings
As the most popular acoustic guitar string, the D'Addario Phosphor Bronze Acoustic Guitar Strings, made in USA, are renowned for warm, bright, balanced, and long-lasting tone and also comfortable playability. These strings feature a precision wound corrosion proof phosphor bronze wire, carefully drawn around a hexagonally shaped high-carbon steel core. SIGMA never disappoints you.
Fine Craftsmanship
SIGMA fingerboard features wear-resistance, high density, comfortable feeling, befitting both the beginners and the seasoned players. The lower action allows the guitarists to press the string easily. Made by Sapele (Mahogany), with professional grinding and polishing, the matte finish neck avoids the sticky feeling. The neck and body are precisely connected to ensure the stability and sound transmission.
Every Detail Matters
Crafted by seasoned technicians by using well-chosen solid wood materials. Every detail is explored to craft the beautiful SIGMA guitar. Just play with confidence!
Play in a Breeze
SIGMA guitars provide a fantastic playability. Stay at home or go outdoors grab your guitar and pick up a tune by ear or even earning callouses on the tips of your fingers! There is nothing better.
The Best Gift
No matter you are a beginner or a seasoned guitar player, SIGMA guitar never disappoints you. It could be a gift for yourself and your friends alike. Let’s play guitars!
Share the Joyfulness
At a beautiful dusk, strike a relaxing chord with the SIGMA guitar outdoor. Sing songs and have chats. A true happiness lays behind a good relationship with your beloved one.
D L
2025-08-07 11:14:39
This guitar has the most wonderful, Wonderful, dynamic sound!!!…and beautiful! Highly recommend. Glad I purchased…YOU should, too!!!
Bruce
2025-06-01 16:25:07
A very nice guitar. I had been looking for a 000 acoustic that was affordable and had a solid spruce top. This one ticks both of those boxes. I had read reviews on youtube and all of them were favorable. This guitar will need some setup,but was very playable out of the box.The action will need to come down some for my preferences, but I'll do that when I change out the plastic saddle and nut with bone. That was probably my worst gripe: plastic nut,saddle and pins,but it's fairly straight forward for me to change those during setup. I will also change the string gauge down to a lighter set and add my soundhole pickup.All in all, it's a good bargain for the price for a solid top guitar.
Mr Ken
2025-05-24 09:43:37
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.
Sheridan
2025-05-20 18:57:14
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%.
TRACKER
2025-03-14 18:11:27
Arrived good condition, packaged well, not tuned. Tuned well...to my ears the first pass was thin sounding but good sustain. Changed to Martin Medium silked strings and it was magic. Great buy on this guitar for the price point. I needed a 000 for a bit more volume and this fit the bill perfectly without having to amp. It needed a little dressing of the fret ends were sharp but not a real issue. Also, the back of the neck needed a smooth brillo pad sanding to take a little roughness off in a small spot but again, minor. When all done , it has an equal amount of tone & sustain to my performance guitars @ 5 x the price of this one. If this one gets smashed or stolen...I would immediately replace it with a new one. Up Date : I have played this guitar now long enough to say it rates in playability and tone to my guitars costing 30x as much. My application is primarily playing assisted living /rest homes where softer tone is best....when I travel this is the guitar I use. If it gets broken or other wise damaged, I will just buy a new one. It plays best with Medium strings in my experience. I use silked medium strings. Best buy on the net that that I have found for the price point. If its an entry level Martin ...it sounds exactly like my 000 Eric Clapton.
Anonymous
2025-01-09 12:52:50
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steven
2024-12-02 12:13:59
Beginners do not buy, guitar was used had a few places on it, usually you get a allen wrench to adjust the truss rod, it wasn't in it. Plastic was already pulled off pick guard, and when you tried to tune it, the strings was laying on the neck after you brought it up to tune, I work on guitars, I bought two of these from other places, only good thing about the guitars the sound but you can't play it unless you know how to go, and file down the nut, the truss Rod was so tight that it pulled the neck backwards, look like teenagers put it together, I really don't believe this is a real Sigma guitar, after you take it apart and put it back together and does have a good sound that's the reason I give it one star, I'm going to stop now I'm tired of writing a book, this place is going on my crap list, not to never buy again, when I buy from someone that ain't no good, I don't go back for seconds. I About messed up and bought two of them.
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