Bluetooth & Home Speaker Grille in 304 Stainless Steel (AISI 304 (1.4301)) is used for protecting the drivers of Bluetooth, bookshelf and home-theater speakers with a domed perforated metal grille that clears the cone at full excursion. The alloy gives good general corrosion resistance in atmosphere and fresh water and is essentially non-magnetic (annealed), with a practical service limit of approx. +450 °C continuous.
Alloy Properties
| Grade designation | AISI 304 (1.4301) |
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| Magnetic response | Essentially non-magnetic (annealed) |
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| Service temperature | approx. +450 °C continuous |
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| Corrosion characteristic | Good general corrosion resistance in atmosphere and fresh water |
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Specifications of Bluetooth & Home Speaker Grille Available in 304 Stainless Steel
| Speaker size | Grille diameter (mm) | Hole diameter (mm) | Dome height (mm) | Mounting holes | Thickness (mm) |
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| 2 in | 56 | 1.0 | 4 | 0 | 0.5 |
| 3 in | 82 | 1.2 | 6 | 0 | 0.6 |
| 4 in | 108 | 1.5 | 8 | 4 | 0.6 |
| 6.5 in | 172 | 2.0 | 12 | 4 | 0.8 |
| 8 in | 214 | 2.0 | 14 | 6 | 0.8 |
Where 304 Stainless Steel Bluetooth & Home Speaker Grille Is Used
- Portable speaker brands: front grilles on rugged Bluetooth speakers.
- Hi-fi & home theater: removable driver guards on bookshelf and in-wall speakers.
- Pro audio: woofer guards for PA cabinets and studio subwoofers.
- DIY & repair: universal grilles sized by driver diameter.
Ordering Bluetooth & Home Speaker Grille in 304 Stainless Steel
- Driver size: Order by driver size (2–8 in) and the cut-out diameter.
- Dome height: Must exceed the cone's maximum forward excursion plus a safety gap.
- Fixing: Clip-in for flush designs; screw ears for removable guards.
Mistakes to Avoid with Bluetooth & Home Speaker Grille
- A flat grille on a long-throw woofer, which the cone strikes on bass peaks.
- Hole diameter too small relative to the panel, causing whistle at high output.