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The 10½” transducer SW270WA01 was designed specifically for high performance subwoofer applications where sound quality and low distortion are the priorities. It features the Wavecor Balanced Drive motor technology.
- Balanced Drive motor structure for optimal drive force symmetry resulting in largely reduced even order harmonic distortion
- Extremely large linear stroke, Xmax = ± 11 mm, ensuring low distortion at high output levels
- Very rigid air dried paper cone cone to ensure piston motion at high levels for reduced distortion
- 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 black fiber glass voice coil former to reduce mechanical losses resulting in better dynamic performance and low-level details
- Large motor with 2” voice coil diameter for better control and power handling
- 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 platedd motor parts for better heat transfer to the surrounding air
- Conex spider for better durability under extreme conditions
- Gold plated terminals to ensure long-term trouble free connection
Notes
Parameter
Before
burn-inAfter
burn-inUnit
Nominal size
10½
[inch.]
Nominal impedance
4
[ohm]
Recommended max. upper frequency limit
400
[Hz]
1, 3
Sensitivity, 2.83V/1m (calculated from T/S parameters)
88
[dB]
2
Power handling, short term, IEC 268-5, no additional filtering
[W]
2
Power handling, long term, IEC 268-5, no additional filtering
[W]
2
Power handling, continuous, IEC 268-5, no additional filtering
150
[W]
Effective radiating area, Sd
312
[sq.cm]
3, 6
Resonance frequency (free air, no baffle), Fs
28
[Hz]
Moving mass, incl. air (free air, no baffle), Mms
88
[g]
3
Force factor, Bxl
9.7
[N/A]
3, 6
Suspension compliance, Cms
0.37
[mm/N]
3, 6
Equivalent air volume, Vas
51
[lit.]
3, 6
Mechanical resistance, Rms
1.9
[Ns/m]
3, 6
Mechanical Q, Qms
8.1
[-]
3, 6
Electrical Q, Qes
0.53
[-]
3, 6
Total Q, Qts
0.49
[-]
4
Voice coil resistance, RDC
3.2
[ohm]
5
Voice coil inductance, Le (measured at 1 kHz)
1.4
[mH]
Voice coil inside diameter
51
[mm]
Voice coil winding height
28
[mm]
Air gap height
6
[mm]
Theoretical linear motor stroke, Xmax
±11
[mm]
Magnet weight
[g]
Total unit net weight excl. packaging
3.6
[kg]
3, 5
Krm
17
[mohm]
3, 5
Erm
0.61
[-]
3, 5
Kxm
10.5
[mH]
3, 5
Exm
0.75
[-]
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