S280-18-282N
The Accuton S280-18-282N is an esoteric 11 inch (280mm) bass drive unit primarily intended for medium sized 3 way designs and studio monitors of the highest quality.
This high end driver features an ultra stiff ceramic sandwich cone with a soft rubber long throw surround. The large Neodymium magnet and 55mm titanium former yield very low distortion levels. The unique multi spoke chassis design offers incredible rigidity whilst maximising airflow around the rear of the diaphragm.
The spider, pole and voice coil former are fully ventilated for minimal compression. This driver has a substantial power rating of 150 watts and with a peak excursion of 12mm offers effortless and highly accurate bass reproduction.
With an impedance of 18 Ohms this driver is ideal for tube amps or for a parallel bass array.
Full datasheets can be downloaded from the bottom of this page.
Vented:
Vb: 55L, Port diameter: 70mm, Length: 190mm, Fres: 29Hz, F-3dB: 33Hz, Q: 0.58 (optimal)
Vb: 75L, Port diameter: 70mm, Length: 114mm, Fres: 29.5Hz, F-3dB: 29.5Hz, Q: 0.50 (extended bass)
Vb: 45L, Port diameter: 70mm, Length: 227mm, Fres: 30Hz, F-3dB: 36Hz, Q: 0.61 (0.7dB Ripple @ 50Hz)
Infinite baffle:
Vb: 17L, -9dB @ 40Hz, -20dB @ 20Hz, F-3dB: 50Hz, Q: 0.71 (typical)
Vb: 43L, -6dB @ 40Hz, -15dB @ 20Hz, F-3dB: 51Hz, Q: 0.50 (extended bass)
A matching passive radiator is available : Accuton P280
| Resonant frequency (fs) | 18Hz | DC resistance (Re) | 18.5Ω |
| Mechanical Q factor (Qms) | 6.87 | Power handling | 150W |
| Electrical Q factor (Qes) | 0.27 | Sensitivity (2.83V/1m) | 88dB |
| Total Q factor (Qts) | 0.26 | Chassis diameter | 280mm |
| Equivalent volume (Vas) | 226L | Cutout diameter | 252mm |
Click icons to download :
Data 
3D View (large file)
Dimensions
Built to order - contact us for a lead time.