S280-6-282
Sandwich Bass
| Dome material | Sandwich |
| Application | Bass |
| Overall diameter | 280 MM |
| Cutout Diameter | 253 MM |
| Overall depth | 132.5 MM |
| Motor assembly depth | 49.5 MM |
| Motor assembly diameter | 120 MM |
Main Features
underhung motor design
55mm Titanium VC Former
Special Rubber Surround
Vented VC, Pole Piece & Spider
31 HZ - 1 KHZ in vented Box
Technology
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VENTED BOX DESIGN PARAMETERS:
Vb: 62L, Port diameter: 70mm, Length: 240mm, Fres: 25Hz, F-3dB: 38Hz, Q: 0.58 (optimal)
Vb: 91L, Port diameter: 70mm, Length: 90mm, Fres: 29.5Hz, F-3dB: 31Hz, Q: 0.50 (extended bass)
Vb: 54L, Port diameter: 70mm, Length: 170mm, Fres: 31Hz, F-3dB: 39Hz, Q: 0.61 (0.7dB Ripple @ 50Hz)
CLOSED BOX DESIGN PARAMETERS:
Vb: 39L, -5dB @ 40Hz, -17dB @ 20Hz, F-3dB: 50Hz, Q: 0.71 (typical)
Vb: 101L, -5dB @ 40Hz, -13dB @ 20Hz, F-3dB: 51Hz, Q: 0.50 (extended bass)
HIGHLIGHTS
11 inch sandwich cone bass with high efficiency for 3-way designs.
Large sized voice coil with 55mm titanium voice coil former.
Big, underhung 120mm Neodymium magnet system for very low distortion.
High mechanical Excursion.
Special multi spoke basket with improved airflow design.
Mechanical Data
| Specification | Value | Unit | |
| Overall diameter | 280 | mm | |
| Cutout diameter | 253 | mm | |
| Min. frontplate thickness | 9.0 | mm | |
| Overall depth | 132.5 | mm | |
| Motor assembly depth | 49.5 | mm | |
| Motor assembly diameter | 120 | mm | |
| Screwfitting | DIN 7984 / Ø 4.50 | mm | |
| Terminal | +: 6.3 x 0.8 / -: 4.8 x 0.8 | mm | |
| Shipping weight (pair) | 11 | Kg | |
| Shipping box size (pair) | 300/360/300 | mm | |
Thiele Small Parameters
| Specification | Value | Unit | |
| Efficiency | η0 | 76 | % |
| DC-resistance > | Re | 6.90 | Ohm |
| Resonance frequency | Fs | 20.74 | Hz |
| Equivalent volume of air | Vas | 208.68 | ltr |
| Mechanical Q | Qms | 4.38 | |
| Electrical Q | Qes | 0.23 | |
| Total Q | Qts | 0.22 | |
| Effective piston area | Sd | 415.48 | Cm2 |
| Moving mass | Mms | 69.06 | g |
| Suspension compliance | CMs | 0.85 | mm/n |
| Mechanical resistance | Rms | 2.06 | |
voice coil parameters
| Specification | Value | Unit | |
| Power handling | P | 150 | W |
| Linear excursion | Xmax | +/-6 | mm |
| Voice coil diameter | 55 | mm | |
| Voice coil former material | Ti | ||
| Voice coil material | Cu | ||
| Voice coil inductance | Le | 0.32 | mH |
| Force factor | Bl | 16.31 | N/A |
| Motor type | Underhung | ||
| Ferrofluid filling | No | ||
Frequency Response [db]
Impedance [OHM]
Distortion [%]
