New
SD21-125XB
Features
- 5″ Voice coil
- 7200 Watts peak power handling
- Ferrite magnet
- Precision circular wire geometry
- Die cast aluminum chassis
General Specifications
General Specifications
| Nominal Diameter | 533 mm (21 in) |
|---|---|
| Nominal Impedance | 8 Ω |
| Nominal Power Handling | 1800 W(AES) |
| Continuous Program Power Capacity | 3600 W |
| Sensitivity | 96 dB |
| Frequency Range | 30-200 Hz |
| Voice Coil Diameter | 127 mm (5 in) |
| Voice Coil Material | Copper Wire (In/Out) |
| Former Material | Glass Fiber |
| Effective Piston Diameter | 395 mm (15.5 in) |
| Flux Density | 1.2 T |
Physical Information
Physical Information
| Magnet Material | Ferrite |
|---|---|
| Basket Material | Aluminium |
| Surround Material | Cloth |
| Cone Material | Paper |
| Dust Cap Material | Paper |
| Spider Material | Double Silicone |
| Gasket | EVA |
| Pole Design | T-Pole |
| Woofer Cone Treatment | Treatment |
Parameters
Parameters
| Fs | 35 Hz |
|---|---|
| Re | 5.2 Ω |
| Qms | 10.0 |
| Qes | 0.40 |
| Qts | 0.38 |
| BL | 30.4 Tm |
| Mms | 333.6 g |
| Mmd | 241.0 g |
| Vas | 345.6 lt |
| Sd | 1645cm2 |
| Le | 1.31 mH |
| Eff (η₀) | 1.56% |
| Cms | 0.09 mm/N |
| Xmax | 11.25 mm |
| Hag | 13.5 mm |
| Hvc | 36.1 mm |
Mounting And Shipping Information
Mounting And Shipping Information
| Diameter | 539.3 mm (21.2 in) |
|---|---|
| Baffle Cutout Diameter | 491.2 mm (19.3 in) |
| Mounting Hole Diameter | 518 mm (20.4 in) |
| Bolt Circle Diameter | 8 x Ø (7-11) mm |
| Depth | 268.0 mm (10.6 in) |
| Flange and Gasket Thickness | 17.5 mm (0.7 in) |
| Net Weight | N/A kg |
| Shipping Units | 1 |
| Shipping Weight | N/A kg |
| Shipping Box | 600 x 600 x 350 mm 23.6 x 23.6 x 13.8 in |
Service Kit
Service Kit
| Recone Kit | N/A |
|---|
