
Sigma GMC Electro Black
Electro-acoustic guitar
The Sigma GMC Electro Black is a cutaway Grand OM-style electro-acoustic guitar designed to deliver a rich and powerful sound thanks to its solid Sitka spruce top. Its mahogany body, paired with a mahogany neck and micarta fingerboard, ensures both comfort and durability. It features a Fishman Presys II pickup system with a built-in tuner, making it ideal for live performance.
- ✓ Solid Sitka spruce top for excellent resonance
- ✓ Large OM cutaway mahogany body for optimal playing comfort
- ✓ Mahogany neck with durable micarta fretboard
- ✓ Chrome-plated, oil-bath tuners for improved tuning stability
- ✓ Fishman Presys II amplification system with built-in tuner
Technical data
| Model | GMC-STE-BKB |
| Kind | Grand OM cut-off |
| Table | Solid Sitka spruce |
| Back & ribs | Mahogany |
| Sleeve | Mahogany |
| Touch | Micarta |
| Nuts | Bone |
| Tuning fork | 25.4" (645 mm) |
| Nut width | 44.5 mm |
| Mechanics | Chrome-plated oil bath |
| Electronic | Fishman Presys II with built-in tuner |
Uses & Benefits
- Suitable for the stage thanks to its integrated amplification system
- Balanced and powerful sound for acoustic and amplified playing
- Optimal playing comfort thanks to its cutaway design and ergonomic handle
- High-quality materials ensuring durability and stability
- Easy tuning thanks to the oil-bath tuners and integrated tuner
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Sigma GMC Electro Black
Electro-acoustic guitar
The Sigma GMC Electro Black is a cutaway Grand OM-style electro-acoustic guitar designed to deliver a rich and powerful sound thanks to its solid Sitka spruce top. Its mahogany body, paired with a mahogany neck and micarta fingerboard, ensures both comfort and durability. It features a Fishman Presys II pickup system with a built-in tuner, making it ideal for live performance.
- ✓ Solid Sitka spruce top for excellent resonance
- ✓ Large OM cutaway mahogany body for optimal playing comfort
- ✓ Mahogany neck with durable micarta fretboard
- ✓ Chrome-plated, oil-bath tuners for improved tuning stability
- ✓ Fishman Presys II amplification system with built-in tuner
Technical data
| Model | GMC-STE-BKB |
| Kind | Grand OM cut-off |
| Table | Solid Sitka spruce |
| Back & ribs | Mahogany |
| Sleeve | Mahogany |
| Touch | Micarta |
| Nuts | Bone |
| Tuning fork | 25.4" (645 mm) |
| Nut width | 44.5 mm |
| Mechanics | Chrome-plated oil bath |
| Electronic | Fishman Presys II with built-in tuner |
Uses & Benefits
- Suitable for the stage thanks to its integrated amplification system
- Balanced and powerful sound for acoustic and amplified playing
- Optimal playing comfort thanks to its cutaway design and ergonomic handle
- High-quality materials ensuring durability and stability
- Easy tuning thanks to the oil-bath tuners and integrated tuner
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Electro-acoustic guitar
The Sigma GMC Electro Black is a cutaway Grand OM-style electro-acoustic guitar designed to deliver a rich and powerful sound thanks to its solid Sitka spruce top. Its mahogany body, paired with a mahogany neck and micarta fingerboard, ensures both comfort and durability. It features a Fishman Presys II pickup system with a built-in tuner, making it ideal for live performance.
- ✓ Solid Sitka spruce top for excellent resonance
- ✓ Large OM cutaway mahogany body for optimal playing comfort
- ✓ Mahogany neck with durable micarta fretboard
- ✓ Chrome-plated, oil-bath tuners for improved tuning stability
- ✓ Fishman Presys II amplification system with built-in tuner
Technical data
| Model | GMC-STE-BKB |
| Kind | Grand OM cut-off |
| Table | Solid Sitka spruce |
| Back & ribs | Mahogany |
| Sleeve | Mahogany |
| Touch | Micarta |
| Nuts | Bone |
| Tuning fork | 25.4" (645 mm) |
| Nut width | 44.5 mm |
| Mechanics | Chrome-plated oil bath |
| Electronic | Fishman Presys II with built-in tuner |
Uses & Benefits
- Suitable for the stage thanks to its integrated amplification system
- Balanced and powerful sound for acoustic and amplified playing
- Optimal playing comfort thanks to its cutaway design and ergonomic handle
- High-quality materials ensuring durability and stability
- Easy tuning thanks to the oil-bath tuners and integrated tuner






















