Sigma JM-SG45 Slope-Shoulder Acoustic-Electric Guitar with case

Explore the Sigma JM-SG45 Acoustic-Electric Guitar

Sigma JM‑SG45 Slope‑Shoulder Acoustic‑Electric Guitar

Vintage looks. Modern playability. Reliable stage tone.

The Sigma JM‑SG45 gives you the richness of a slope‑shoulder dreadnought in a premium, stage‑ready package. Built with a solid Sitka spruce top and mahogany back and sides for a warm, balanced voice, this guitar combines classic acoustic tone with modern hardware and electronics you can trust on stage.

• Comfortable scale and neck with a 24.75‑inch scale and low‑profile mahogany neck, so it’s easy to play even during long sets.

• Stable, high‑quality hardware including Grover open‑gear tuners and bone nut and saddle, chosen for tuning stability and tone transfer.

• Clear, natural amplified sound via Fishman Sonitone electronics, plus a softshell case for safe transport—everything you need to gig out of the box.

• Traditional finish and styling with a polished gloss sunburst and ivoroid knobs for that timeless look.

Whether you’re performing in a café, on a larger stage, or recording acoustic tracks, the JM‑SG45 brings a professional level of tone, reliability, and value.

Key specifications 

• Body size: D‑14 Fret, slope‑shoulder dreadnought

• Construction: Dovetail neck joint

• Top: Solid Sitka spruce

• Back & sides: Mahogany

• Neck: Mahogany, low profile

• Nut & saddle: Bone

• Fingerboard & bridge: Micarta

• Scale length: 24.75 in / 628 mm

• Neck width at nut: 1‑3/4 in / 44.5 mm

• Truss rod: Two‑way adjustable

• Tuning machines: Grover nickel open‑gear

• Knobs: Ivoroid

• Electronics: Fishman Sonitone

• Softshell case: SSC‑D included

• Finish: Polished gloss with sunburst

• Strings: D’Addario EXP16

Exceptional Sound Quality

The Sigma JM-SG45 is designed with a focus on delivering outstanding sound quality. Featuring a solid Sitka spruce top and mahogany back and sides, this guitar produces rich, warm tones. Acoustic guitars can often lack the resonance that players seek, but the JM-SG45 overcomes this with its expertly crafted body shape and bracing pattern, resulting in a full-bodied sound that’s perfect for both strumming and fingerpicking. Therefore, musicians can enjoy a performance-ready instrument that will inspire creativity.

Versatile Playing Experience

One of the outstanding features of the Sigma JM-SG45 is its versatility. Because it is an acoustic-electric guitar, it allows players to connect to amplifiers or recording equipment effortlessly. The built-in electronics offer a natural sound that enhances live performances or studio recordings. Additionally, whether a beginner or an experienced player, the guitar’s slope-shoulder design provides comfort and ease of playability, so you can focus on your music rather than struggling with difficult instrument handling.

Included Protective Case

To ensure that your Sigma JM-SG45 stays in pristine condition, it comes with a protective case. This case is not only stylish but also offers durability and security for your guitar. Traveling musicians will appreciate the added protection as they transport their instrument to gigs or practice sessions. Having the case means you're ready to play your Sigma JM-SG45 wherever inspiration strikes, and it keeps your investment safe.

Inside Kathmandu Valley:

• Orders before 11 AM → Same-day delivery
• Orders after 11 AM → Next-day delivery

Outside Kathmandu Valley:

• Orders before 11 AM → Next-day delivery
• Orders after 11 AM → Delivered the day after tomorrow