5¾” High Performance Steel Frame Subwoofer Units.
Suitable for dedicated subwoofer applications and as low frequency transducers in 2½-, 3- and multi-way speaker systems.
- Balanced Drive motor structure for optimal drive force symmetry resulting in largely reduced even order harmonic distortion
- Large linear stroke, ensuring low distortion at high output levels
- Rigid paper cones to ensure piston motion even at high levels - for reduced distortion
- Rigid steel 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 fiber glass voice coil former to reduce mechanical losses resulting in better dynamic performance and low-level details
- Large motor structures for better control and power handling
- Built-in alu field-stabilizing rings 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
- Conex spider for better durability under extreme conditions
- Gold plated terminals to ensure long-term trouble free connection
- Delivered with foam gasket attached for hassle-free mounting and secure cabinet sealing
Notes
Parameter
SW146WA01
SW146WA02
Unit
Before burn-in
After burn-in
Before burn-in
After burn-in
Nominal size
5¾
5¾
[inch.]
Nominal impedance
4
8
[ohm]
Recommended max. upper frequency limit
500
500
[Hz]
1, 3
Sensitivity, 2.83V/1m (calculated from T/S parameters)
88
85
[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
55
55
[W]
Effective radiating area, Sd
85
85
[sq.cm]
3, 6
Resonance frequency (free air, no baffle), Fs
51
54
[Hz]
Moving mass, incl. air (free air, no baffle), Mms
18.3
16.2
[g]
3
Force factor, Bxl
5.9
7.8
[N/A]
3, 6
Suspension compliance, Cms
0.54
0.54
[mm/N]
3, 6
Equivalent air volume, Vas
5.5
5.5
[lit.]
3, 6
Mechanical resistance, Rms
0.61
0.61
[Ns/m]
3, 6
Mechanical Q, Qms
9.5
9.0
[-]
3, 6
Electrical Q, Qes
0.50
0.57
[-]
3, 6
Total Q, Qts
0.48
0.53
[-]
4
Voice coil resistance, RDC
3.0
6.3
[ohm]
5
Voice coil inductance, Le(measured at 1 kHz)
0.90
1.5
[mH]
Voice coil inside diameter
32
32
[mm]
Voice coil winding height
16
16
[mm]
Air gap height
4
4
[mm]
Theoretical linear motor stroke, Xmax
±6
±6
[mm]
Magnet weight
[g]
Total unit net weight excl. packaging
1.1
1.1
[kg]
3, 5
Krm
0.40
3.0
[mohm]
3, 5
Erm
0.96
0.78
[-]
3, 5
Kxm
9.4
9.1
[mH]
3, 5
Exm
0.71
0.77
[-]
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