Wavecor SW280WA03 11″ low profile, alu cone subwoofers, 4Ohm
Overview:
SW280WA03 woofer designed for dedicated sub bass applications. They work equally well for high-end hi-fi, high quality home theater systems, and top multimedia setups. Innovative, very shallow design, with motor structure mounted “inside” the cone. Recommended for high end audio applications, where build-in depth is limited. Typical applications are for high performance in-wall and theater systems.
Features:
- New innovative design with cone wrapped around the motor structure to reduce overall dept
- Rigid alu cone to ensure piston motion at high drive levels
- Venting through holes in spider ring reduced distortion and compression
- Vented chassis for lower air flow speed reducing audible distortion
- Internal alu ring for stabilizing the magnetic field leading, to lower high-SPL distortion
- Vented heavy-duty black fiber glass voice coil bobbin to reduce mechanical losses resulting in better dynamic performance and low-level details
- Large motor structure with 1.5” voice coil diameter and 135 mm magnet for better control and efficiency
- Black-anodized magnet structure steel parts for increased heat dissipation and power handling
- Long linear stroke motor for reduced distortion at high levels
- Linear suspension with specially designed CONEX damper (spider) for long durability under extreme operating conditions
- 4-layer voice coil for increased control and better performance in small volumes
Nominal Specification:
Parameter | SW280WA03 | Unit | |
Before burn-in | After burn-in | ||
Nominal size | 11 | [inch.] | |
Nominal impedance | 4 | [ohm] | |
Recommended max. upper frequency limit | 300 | [kHz] | |
Sensitivity, 2.83V/1m (average SPL in range 200 – 1,000 Hz) | 88.5 | [dB] | |
Power handling, short term, IEC 268-5, no additional filtering | 2,000 | [W] | |
Power handling, long term, IEC 268-5, no additional filtering | 400 | [W] | |
Power handling, continuous, IEC 268-5, no additional filtering | 200 | [W] | |
Effective radiating area, Sd | 321 | [sq.cm] | |
Resonance frequency (free air, no baffle), Fs | 34.5 | 34 | [Hz] |
Moving mass, incl. air (free air, no baffle), Mms | 105 | [g] | |
Force factor, Bxl | 12.5 | [N/A] | |
Suspension compliance, Cms | [mm/N] | ||
Equivalent air volume, Vas | [lit.] | ||
Mechanical resistance, Rms | 0.25 | 0.25 | [Ns/m] |
Mechanical Q, Qms | 9.5 | 9.3 | [-] |
Electrical Q, Qes | 0.50 | 0.49 | [-] |
Total Q, Qts | 0.47 | 0.46 | [-] |
Voice coil resistance, RDC | 5.9 | [ohm] | |
Voice coil inductance, Le (measured at 1 kHz) | 0.20 | [mH] | |
Voice coil inside diameter | 39 | [mm] | |
Voice coil winding height | 17 | [mm] | |
Air gap height | 5 | [mm] | |
Magnet weight | 1.4 | [g] | |
Total unit net weight excl. packaging | 3.9 | [kg] | |
Krm | [mohm] | ||
Erm | [-] | ||
Kxm | [mH] | ||
Exm | [-] |
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