
Sigma GM-1 Electro
Electro-acoustic guitar
The Sigma GM-1 Electro is a Grand OM-style electro-acoustic guitar designed to deliver a rich, balanced tone thanks to its solid Sitka spruce top. Its mahogany body and neck ensure excellent resonance and stability. Equipped with a Fishman Presys II pickup system with a built-in tuner, it perfectly meets the needs of musicians both on stage and in the studio.
- ✓ Solid Sitka spruce table
- ✓ Mahogany back and sides
- ✓ Mahogany neck with micarta fingerboard
- ✓ Chrome-plated, oil-bath mechanical components
- ✓ Fishman Presys II amplification system with built-in tuner
- ✓ Scale length 25.4" (645 mm) and nut width 44.5 mm
Technical data
| Model | GM-1E Grand OM |
| 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 Fishman system with integrated tuner
- Balanced tone and optimal projection thanks to the solid spruce top
- Playing comfort is ensured by the medium scale length and standard nut width
- Robustness and stability thanks to the selected materials (mahogany, micarta, bone)
- Professional finish with oil-bath tuners for precise tuning
Original: $768.81
-65%$768.81
$269.08More Images





Sigma GM-1 Electro
Electro-acoustic guitar
The Sigma GM-1 Electro is a Grand OM-style electro-acoustic guitar designed to deliver a rich, balanced tone thanks to its solid Sitka spruce top. Its mahogany body and neck ensure excellent resonance and stability. Equipped with a Fishman Presys II pickup system with a built-in tuner, it perfectly meets the needs of musicians both on stage and in the studio.
- ✓ Solid Sitka spruce table
- ✓ Mahogany back and sides
- ✓ Mahogany neck with micarta fingerboard
- ✓ Chrome-plated, oil-bath mechanical components
- ✓ Fishman Presys II amplification system with built-in tuner
- ✓ Scale length 25.4" (645 mm) and nut width 44.5 mm
Technical data
| Model | GM-1E Grand OM |
| 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 Fishman system with integrated tuner
- Balanced tone and optimal projection thanks to the solid spruce top
- Playing comfort is ensured by the medium scale length and standard nut width
- Robustness and stability thanks to the selected materials (mahogany, micarta, bone)
- Professional finish with oil-bath tuners for precise tuning
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Electro-acoustic guitar
The Sigma GM-1 Electro is a Grand OM-style electro-acoustic guitar designed to deliver a rich, balanced tone thanks to its solid Sitka spruce top. Its mahogany body and neck ensure excellent resonance and stability. Equipped with a Fishman Presys II pickup system with a built-in tuner, it perfectly meets the needs of musicians both on stage and in the studio.
- ✓ Solid Sitka spruce table
- ✓ Mahogany back and sides
- ✓ Mahogany neck with micarta fingerboard
- ✓ Chrome-plated, oil-bath mechanical components
- ✓ Fishman Presys II amplification system with built-in tuner
- ✓ Scale length 25.4" (645 mm) and nut width 44.5 mm
Technical data
| Model | GM-1E Grand OM |
| 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 Fishman system with integrated tuner
- Balanced tone and optimal projection thanks to the solid spruce top
- Playing comfort is ensured by the medium scale length and standard nut width
- Robustness and stability thanks to the selected materials (mahogany, micarta, bone)
- Professional finish with oil-bath tuners for precise tuning






















