What type of wood is used for the back and sides of the Sigma ST Series SDM-ST?

The Sigma ST Series SDM-ST features mahogany for both the back and sides, which contributes to its warm and resonant tone.

Is the Sigma ST Series SDM-ST suitable for fingerstyle playing?

Yes, the dreadnought body shape of the Sigma ST Series SDM-ST provides a balanced tone with ample volume, making it suitable for fingerstyle playing as well as strumming.

Does the Sigma ST Series SDM-ST come with a built-in pickup?

No, the Sigma ST Series SDM-ST does not have a built-in pickup, as it is designed as a purely acoustic guitar.

What is the neck material of the Sigma ST Series SDM-ST?

The neck of the Sigma ST Series SDM-ST is made from mahogany, which offers durability and a comfortable playing feel.

How many frets does the Sigma ST Series SDM-ST have?

The Sigma ST Series SDM-ST is equipped with 20 frets, providing a full range of notes for versatile playing.

Sigma ST Series SDM-ST

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Page last updated Jan 25, 2026

Pricing and availability

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Price

Average Price: $568

Standard/Professional

$200

$601+

Price Tier

In the Steel-string Acoustic Guitars category, Sigma ST Series SDM-ST is priced in the upper end of the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

Budget

Standard

High-end

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Description

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Discover the Sigma ST Series SDM-ST, a steel-string acoustic guitar that seamlessly blends classic craftsmanship with modern playability, making it a perfect companion for both budding musicians and seasoned performers. Crafted with precision, the SDM-ST features a solid Sitka spruce top, delivering a bright and resonant tone that enhances your every strum. The mahogany back and sides not only add warmth to the sound but also offer a timeless aesthetic that appeals to traditionalists and contemporary players alike.

The SDM-ST’s neck is designed for comfort, allowing easy access to all frets and promoting smooth transitions between chords and solos. Its fingerboard, made from Indian rosewood, provides a rich, tactile playing experience and complements the guitar's tonal balance. Whether you’re strumming in a cozy living room or performing on stage, this guitar offers a sound that is both powerful and articulate.

Enhanced with a high-gloss finish, the Sigma ST Series SDM-ST is as visually striking as it is sonically pleasing. The attention to detail in its construction ensures durability and reliability, so you can focus on what truly matters: making music.

Key Features:

Solid Sitka spruce top for bright and resonant tone
Mahogany back and sides for added warmth and classic aesthetic
Comfortable neck profile for easy playability
Indian rosewood fingerboard for a rich playing experience
High-gloss finish for visual appeal and durability

Product specs

Brand	Sigma
Model	ST Series SDM-ST
Year	2010s
Active Preamp	No
Back Material	Mahogany
Body Shape	Dreadnought
Color Family	Natural, Tan
Fretboard Material	Micarta
Neck Material	Mahogany
Number of Frets	20
Number of Strings	6-String
Offset Body	Non-Offset Body
Pickup	None
Right / Left Handed	Right Handed
Sides Material	Mahogany
String Type	Steel
Top Material	Spruce

FAQs

What type of wood is used for the back and sides of the Sigma ST Series SDM-ST?: The Sigma ST Series SDM-ST features mahogany for both the back and sides, which contributes to its warm and resonant tone.
Is the Sigma ST Series SDM-ST suitable for fingerstyle playing?: Yes, the dreadnought body shape of the Sigma ST Series SDM-ST provides a balanced tone with ample volume, making it suitable for fingerstyle playing as well as strumming.
Does the Sigma ST Series SDM-ST come with a built-in pickup?: No, the Sigma ST Series SDM-ST does not have a built-in pickup, as it is designed as a purely acoustic guitar.
What is the neck material of the Sigma ST Series SDM-ST?: The neck of the Sigma ST Series SDM-ST is made from mahogany, which offers durability and a comfortable playing feel.
How many frets does the Sigma ST Series SDM-ST have?: The Sigma ST Series SDM-ST is equipped with 20 frets, providing a full range of notes for versatile playing.