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RuiYu manufactures 21 inch aluminum speaker baskets using precision die casting technology. Designed for high power woofer drivers and professional audio systems, these large speaker baskets provide excellent structural rigidity, vibration resistance and reliable performance for OEM loudspeaker manufacturers.
| Item | Specification |
|---|---|
| Product Name | 21 Inch Aluminum Speaker Basket |
| Material | ADC12 Aluminum Alloy |
| Manufacturing Process | High Pressure Die Casting |
| Surface Treatment | Powder Coating / Painting |
| Application | Professional PA System / High Power Woofer / Subwoofer |
| OEM Service | Available |
| Size Range | 21″ |
Designed for large woofer drivers, the 21 inch aluminum basket provides strong mechanical support to maintain driver alignment under high vibration conditions.
The rigid aluminum structure and reinforced design help improve durability for demanding professional audio applications.
Precision manufacturing ensures consistent dimensions and reliable assembly for high performance speaker systems.
RuiYu provides customized solutions including tooling development, surface treatment and mass production.
Detailed dimensions of our 12 inch aluminum speaker basket for OEM speaker manufacturers
| Parameter | Value |
| Code | P535-775 |
| D (mm) | 540.7 |
| d1 (mm) | 533 |
| d2 (mm) | 488 |
| D2 (mm) | 490 |
| d3 (mm) | 220 |
| H (mm) | 183 |
| h (mm) | 150 |
| D1 (mm) | 120 |
| Mounting Holes（mm） | 8*521*6.5 |
| Damper Hole(mm) | 6*156/176*6.5 |
| Spec Size (mm) | 535 |
| Inch | 21″ |
Hundreds of standard aluminum speaker basket molds available for 21" frames—eliminating high upfront tooling fees and shortening lead times.
High-pressure die casting using high-purity aluminum alloy (ADC12) for rigid, low-resonance chassis structure.
Shot blasting and precision deburring to ensure smooth edges and uniform surface finish.
Precision CNC turning on outer diameters and paper cone mounting surfaces to ensure exact roundness, perfect seating, and tight height tolerances.
Durable powder coating, satin black, or textured finishes providing corrosion resistance and clean aesthetics.
Strict flatness checks on mounting faces and critical dimension inspection to guarantee seamless speaker driver assembly.
Full OEM/ODM support for custom mold development and custom powder coating colors tailored to your brand identity.
Heavy-duty protective packaging with custom foam separators and export pallets to prevent damage during international transport.
🔊 PA Speaker Systems (Public Address & Commercial Audio)
🎤 Professional Audio & Stage Monitors
🎸 Bass Guitar Amplifiers & Instrument Cabinets
🚗 High-Power Subwoofer Systems
🏭 OEM / ODM Loudspeaker Manufacturing
“Demonstration of 12-inch aluminum die-cast basket integrated into a complete woofer driver assembly.”
Got questions about our 21-inch aluminum speaker baskets? Find quick answers regarding materials, mold options, custom finishes, and ordering terms below.
21 inch aluminum speaker baskets are designed for high power woofer drivers, professional PA systems, subwoofers and large-format audio equipment requiring strong structural support.
The aluminum die cast structure provides high rigidity, dimensional stability and good vibration resistance, helping maintain accurate speaker driver alignment during high excursion operation.
RuiYu uses high pressure die casting technology with precision tooling to produce aluminum speaker baskets with consistent dimensions and reliable quality for OEM production.
Existing speaker basket models are produced according to fixed mold dimensions. For new projects, RuiYu can develop customized tooling based on customer drawings, specifications and application requirements.
The standard production lead time for 12-inch aluminum speaker baskets is approximately 30 days. Our Minimum Order Quantity (MOQ) is $3,000 USD per order, supporting scalable batch production for global loudspeaker manufacturers.
Send us your requirements today. Our team will respond within 48 hours with catalog pricing and CAD support.
