Solid Sitka Spruce D Body Acoustic Guitar | SD-90S
- Model: SD-90S
- Body Shape: D Body Acoustic Guitar
- Top Wood: Solid Sitka Spruce
- Fingerboard: Black Walnut
- Bridge: Black Walnut
- Inlays: Dot Inlays
- Tuning Machines: Silver Die-cast Tuners
- Strings: D’Addario Acoustic Strings
- Size: Standard Acoustic Guitar
- Finish: Natural Wood
Product Description
Product Overview
The BeatBulk SD-90S is a professional-grade, standard-size dreadnought model engineered to meet the strict benchmarking requirements of global distributors and music brands. As a prominent choice within our Solid Top Acoustic Guitars portfolio, this instrument integrates a premium solid Sitka spruce top with a classic D-body shape. This material architecture delivers exceptional acoustic projection, a balanced low-end velocity response, and superior long-term tonal development, making it highly competitive for entry to mid-level market placement.

Technical Specifications
| Parameter | Industrial Technical Specification (Model: SD-90S) |
| Model Number | SD-90S |
| Body Shape | Dreadnought (D Body) Acoustic Guitar |
| Size | Standard Acoustic Guitar |
| Top Wood | Solid Sitka Spruce |
| Fingerboard & Bridge | Premium Black Walnut |
| Inlays | Precision Dot Inlays |
| Tuning Machines | Silver Die-cast Tuners |
| Strings | Factory-Installed D’Addario Acoustic Strings |
| Finish | Natural Wood Finish |
Product Highlights & Mechanical Kinetics
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Premium Acoustic Architecture: The solid Sitka spruce top configuration ensures crisp articulation and rapid dynamic response. Over time, the seasoned solid wood top undergoes cell maturation, enhancing the resonance profile and increasing the instrument’s commercial asset value.
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Stable Component Performance: The integration of a black walnut fingerboard and bridge delivers high dimensional stability under varying humidity levels, offering a smooth playing feel and consistent action.
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Out-of-the-Box Tuning Reliability: Equipped with premium silver die-cast tuners and factory-installed D’Addario acoustic strings, the SD-90S guarantees precise intonation stability and uniform string tension directly out of the shipping batch.
B2B Supply Chain & Commercial Options
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OEM & Private Label Programs: Complete manufacturing optimization for custom headstock logo engraving, branded labels, and tailored finish adjustments to align with your private label brand inventory.
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Industrial Batch Packaging: To ensure zero physical defect rates during international transit, each unit is packed in a protective acoustic gig bag, surrounded by shock-absorbing foam inserts, and compiled into reinforced export-grade master shipping cartons.
Sourcing & Sizing Framework
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Wholesale Operations: Designed for high-volume inventory scaling. Explore our complete Wholesale Acoustic Guitars catalogue for bulk tier discounts.
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Cross-Category Sourcing: For distributors auditing comprehensive string instrument portfolios, our streamlined Bulk Buy Guitars gateway offers instant pricing structures for combined shipping containers.
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