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21" Aluminum moulding frame
| Model Code | JCH-21-8 |
| Outer diameter (O.D.) | Φ545 |
| Damper assy diameter (d1) | Φ183 |
| Full height (H) | 173mm |
| Effective height(H1) | 139mm |
| Riveting diameter | P145 6-Φ6.5 |
| Mounting sizes | Φ520 8-Φ8.0 |
size:10''-21''
Speaker parts aluminum frame