{"product_id":"sigma-40-acoustic-guitar-ooo-4-4-full-size-solid-spruce-tone","title":"SIGMA 40 Acoustic Guitar OOO 4\/4 Full-Size - Solid Spruce Tone","description":"\u003cp\u003eIn this review of the SIGMA 40 Acoustic Guitar the bottom line is clear: this is a full-size OOO acoustic that suits both advancing beginners and budget-minded experienced players who want a warm, vintage-leaning tone without a high price. The handcrafted construction with a solid spruce top and sapele back and sides gives it a tonal depth and responsiveness that stands out for the category, while the included D'Addario EXP16 steel strings make it ready to play right away.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid spruce top:\u003c\/strong\u003e Provides an open, warm sound with strong mids and bass that improves with playing over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSapele back and sides:\u003c\/strong\u003e Offer a balanced, vintage-style resonance that supports the spruce top for a rich overall tone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOOO body shape:\u003c\/strong\u003e Delivers focused projection and comfortable playability for fingerpicking and light strumming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRosewood fingerboard and bridge:\u003c\/strong\u003e Enhance sustain and feel under the fingers for smoother chord transitions and articulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eD'Addario EXP16 strings included:\u003c\/strong\u003e The guitar arrives strung and tuned with long-lasting steel strings to minimize initial setup time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid tuners and natural gloss finish:\u003c\/strong\u003e Keep tuning stable and present an attractive, vintage-tinted look that wears well.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe SIGMA 40 is aimed at students moving beyond a starter instrument, home players who want a more resonant, handcrafted instrument, and gigging acoustic players seeking a reliable second guitar. Its 4\/4 full-size OOO body and slightly shortened scale make fretting comfortable for most hands while preserving full low end.\u003c\/p\u003e\u003cp\u003ePlayers who need a fitted electric-acoustic setup, advanced stage professionals seeking boutique-level appointments, or those requiring ornate appointments should look elsewhere; this model focuses on tone, build quality, and playability rather than electronics or high-end cosmetic flourishes.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAll-solid spruce top and sapele back produce a warm, full-bodied tone with good projection.\u003c\/li\u003e\n\u003cli\u003eHandcrafted construction and rosewood fingerboard give a pleasing feel and solid playability out of the box.\u003c\/li\u003e\n\u003cli\u003eIncludes D'Addario EXP16 strings and solid tuners, so the guitar is ready to play with stable tuning.\u003c\/li\u003e\n\u003cli\u003eAttractive vintage-tinted gloss finish that masks wear and looks refined on stage or at home.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOOO body offers less belly than a dreadnought, so players seeking maximum volume and bass may prefer a larger body.\u003c\/li\u003e\n\u003cli\u003eNo onboard electronics are included, limiting use for amplified performance without additional equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Length\u003c\/td\u003e\n\u003ctd\u003e39.9 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScale Length\u003c\/td\u003e\n\u003ctd\u003e24.9 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Length\u003c\/td\u003e\n\u003ctd\u003e19.4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Frets\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop \/ Back \u0026amp; Sides\u003c\/td\u003e\n\u003ctd\u003eSolid spruce top \/ sapele (eastern mahogany)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFingerboard \u0026amp; Bridge\u003c\/td\u003e\n\u003ctd\u003eRosewood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Strings\u003c\/td\u003e\n\u003ctd\u003eD'Addario EXP16 steel string set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe SIGMA 40 Acoustic Guitar is a well-built, great-value full-size OOO that excels for students and players wanting a warm, vintage-style acoustic without premium pricing. With a solid spruce top, sapele back and included D'Addario strings it offers reliable playability and a pleasing tone, making it an excellent choice as a main instrument for practice and small gigs.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDoes it come ready to play?\u003c\/strong\u003e\u003cbr\u003eYes, it ships with D'Addario EXP16 steel strings installed and solid tuners for stable tuning.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat body size is this and how does it sound?\u003c\/strong\u003e\u003cbr\u003eThe guitar is a 4\/4 full-size OOO body that yields a focused, warm tone with strong mids and good projection for its class.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre the top and sides solid wood?\u003c\/strong\u003e\u003cbr\u003eThe top is solid spruce and the back and sides are sapele (eastern mahogany), which together deliver richer resonance than laminated tops.\u003c\/p\u003e","brand":"SIGMA","offers":[{"title":"Default Title","offer_id":48638891262171,"sku":"B0881L6PNM","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71dV_xU9S9S._AC_SL1500.jpg?v=1778595251","url":"https:\/\/gearmusthave.com\/products\/sigma-40-acoustic-guitar-ooo-4-4-full-size-solid-spruce-tone","provider":"GearMustHave","version":"1.0","type":"link"}