Sigma GMC-STE-BKB Plus


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Sigma guitars have been the go-to brand for music enthusiasts who are on a budget but still want high-quality acoustic guitars. One of their prized possessions, the Sigma GMC-STE-BKB PLUS Acoustic Guitar, is a perfect example of why the brand has remained so popular among musicians.

The guitar features a body made from solid Sitka spruce on top, rosewood back and sides, and a modern C shaped mahogany neck. This combination of tonewoods ensures a balanced tone with clear highs, present midrange, and a nice warm low end.

The Sigma GMC-STE-BKB PLUS Acoustic Guitar also sports a Fishman Isys+ preamp system, which is known for delivering exceptional sound quality. The system includes a built-in tuner, making it ideal for gigging musicians who need to tune quickly.

This guitar is also extremely comfortable to play, thanks to its slim neck profile, low action, and 25.4” scale length. It allows quick and accurate fingerpicking, strumming, and playing complex chords with ease.

The guitar also comes with chrome die-cast tuners, which help ensure the guitar stays in tune, no matter how hard you play it. The instrument’s black finish gives it a sleek and professional look, making it perfect for any stage performance.

In conclusion, the Sigma GMC-STE-BKB PLUS Acoustic Guitar is an excellent choice for any musician who wants a quality guitar at an affordable price. It features a well-rounded sound, a comfortable playing experience, and reliable hardware. With its features, this guitar is perfect for beginners and advanced players alike, whether you play at home or on stage.

Sigma GMC-STE-BKB Plus properties

Product name GMC-STE-BKB Plus
Brand Sigma
Type String Instruments
String Instruments Acoustic Guitar
Number of Strings 6 pcs
Built-in Microphone Yes
Handedness Right-handed
Number of Frets 20
Cutaway Single Cutaway
Size 4/4
Pickguard Yes
Wood Type (front) Spruce
Wood Type (back) Mahogany
Wood Type (body sides) Mahogany
Wood Type (neck) Mahogany
Built-in Tuner Yes
Colour Black

Additional information


Product type

String Instruments

Number of Strings

Built-in Microphone


Number of Frets




Wood Type-front

Wood Type-back

Wood Type-body sides

Wood Type-neck

Built-in Tuner



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Frequently Asked Questions:

Q: What is the recommended string gauge for my Sigma GMc-Ste-Bkb Plus acoustic guitar?

A: The recommended string gauge for your Sigma GMc-Ste-Bkb Plus acoustic guitar would be 12-53. This set includes light to medium gauge strings that are suitable for beginners, intermediate players and those who prefer a lighter touch or have smaller hands. However, you should always consider your personal preferences and playing style when selecting string gauges.

How does the onboard tuner feature of the Sigma GMC-STE-BKB Plus ensure accurate and intuitive tuning for acoustic guitar players?

The onboard tuner feature of the Sigma GMC-STE-BKB Plus provides an accurate and intuitive tuning experience for acoustic guitar players. The built-in tuner allows you to quickly and easily tune your guitar without the need for an external tuner or tuning app. It features a high-quality, precision sensor that accurately detects the pitch of each note played on the guitar, ensuring that your instrument is in perfect tune. Additionally, the tuner's intuitive display shows the correct pitch for each string, making it easy to see which notes need to be adjusted. Overall, the onboard tuner feature of the Sigma GMC-STE-BKB Plus offers a convenient and reliable tuning solution that is essential for any acoustic guitar player looking to achieve accurate and consistent intonation.

How does the Sigma GMC-STE-BKB Plus differ from other acoustic guitars in terms of its unique bridge design and string spacing?

The Sigma GMC-STE-BKB Plus is a standout among acoustic guitars due to its distinctive bridge design and exceptional string spacing. Unlike traditional bridges, which are typically made from plastic or wood, the Sigma's bridge is crafted from high-quality bone material, providing superior tonal response and durability. Additionally, the bridge's unique shape provides a wider string spacing between the G and D strings, making it easier for players with larger hands to navigate the fretboard and deliver precise, articulate notes. This feature sets the Sigma apart from many other acoustic guitars on the market, catering to the needs of both advanced and beginner players alike.

How does the Boneite bridge with compensated saddle on the Sigma GMC-STE-BKB Plus contribute to its improved intonation and playability for acoustic guitar players?

The Boneite bridge with compensated saddle on the Sigma GMC-STE-BKB Plus contributes significantly to the improved intonation and playability for acoustic guitar players. The compensated saddle design ensures that each string is in tune at any point along the fretboard, eliminating any noticeable intonation issues. This means that chords and melodies played across multiple frets will sound clearer and more accurate. The Boneite material used for the bridge provides added durability and stability, reducing the risk of warping or cracking over time. Overall, this combination of features helps to enhance the overall playing experience for acoustic guitarists by providing greater accuracy, comfort, and longevity in the bridge design.