Wavecor SW280WA02 11″ low profile, die cast, flat cone subwoofer, 8Ohm
OVERVIEW:
11” High Performance Low Profile Subwoofer Units. Innovative design with dual rubber surround suspension and flat sandwich cone. Recommended for high end audio applications, where build-in depth is limited. A typical application is for high performance in-wall systems.
FEATURES:
- Dual surround suspension and flat cone design to minimize build-in depth
- Glass fiber / PMI foam sandwich cone to maximize bending stiffness leading to improved freqiuency response
- Innovative dual cone design to allow magnet mounting “inside” the cone resulting in reduced overall depth
- Balanced Drive motor structure for optimal drive force symmetry resulting in largely reduced even order harmonic distortion
- Rigid die cast chassis with extensive venting for lower air flow speed, reducing audible distortion
- Vented center pole with dual flares for reduced noise level at large cone excursions
- Heavy-duty vented fiber glass voice coil former to reduce mechanical losses resulting in better dynamic performance and low-level details
- Built-in alu field-stabilizing ring for reduced distortion at high levels
- Low-loss suspension (high Qm) for better reproduction of details and dynamics
- Black plated motor parts for better heat transfer to the surrounding air
- Gold plated terminals to ensure long-term trouble free connection
- Delivered with foam gasket attached for hassle-free mounting and secure cabinet sealing
NOMINAL SPECIFICATIONS:
Parameter | SW280WA02 | Unit | |
Before burn-in | After burn-in | ||
Nominal size | 11 | [inch.] | |
Nominal impedance | 8 | [ohm] | |
Recommended max. upper frequency limit | 400 | [kHz] | |
Sensitivity, 2.83V/1m (average SPL in range 200 – 1,000 Hz) | 83 | [dB] | |
Power handling, short term, IEC 268-5, no additional filtering | – | [W] | |
Power handling, long term, IEC 268-5, no additional filtering | – | [W] | |
Power handling, continuous, IEC 268-5, no additional filtering | 200 | [W] | |
Effective radiating area, Sd | 335 | [sq.cm] | |
Resonance frequency (free air, no baffle), Fs | 26.9 | [Hz] | |
Moving mass, incl. air (free air, no baffle), Mms | 134.2 | [g] | |
Force factor, Bxl | 16.6 | [N/A] | |
Suspension compliance, Cms | 0.26 | [mm/N] | |
Equivalent air volume, Vas | 41.4 | [lit.] | |
Mechanical resistance, Rms | 3.7 | [Ns/m] | |
Mechanical Q, Qms | 6.1 | [-] | |
Electrical Q, Qes | 0.52 | [-] | |
Total Q, Qts | 0.48 | [-] | |
Voice coil resistance, RDC | 6.3 | [ohm] | |
Voice coil inductance, Le (measured at 10 kHz) | – | [mH] | |
Voice coil inside diameter | 39 | [mm] | |
Voice coil winding height | 17 | [mm] | |
Air gap height | 5 | [mm] | |
Magnet weight | 4.9 | [g] | |
Total unit net weight excl. packaging | – | [kg] | |
Krm | – | [mohm] | |
Erm | – | [-] | |
Kxm | – | [mH] | |
Exm | – | [-] |
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