Nominal impedance is 4 ohm for WF146WA01 and 8 ohm for WF146WA02. Otherwise the two models are identical.
WF146WA01/02 are mid/woofers designed for demanding bass and midrange applications. They work equally well for high-end hi-fi, high quality home theater systems, and top multimedia setups.
Powering is by a large 90 mm magnet structure that ensures good efficiency and optimal T/S parameters.
WF146WA01/02 are very good choices for compact 2-way speaker systems or even as midrange in multi-way systems.
- Alu field-stabilizing ring inside magnet assembly for reduced high-level distortion
- Vented voice coil former for reduced distortion and compression
- New vented chassis for lower air flow speed reducing audible distortion
- Heavy-duty black fiber glass voice coil bobbin to increase power handling and reduce mechanical losses resulting in better dynamic performance and low-level details
- Large motor system with 1¼” voice coil diameter and 90 mm magnet for better control, power handling, and efficiency
- Black magnet parts for better heat transfer to increase power handling
- New progressive suspension with specially designed Conex damper (spider) for long durability under extreme operating conditions
- Gold plated terminals to prevent oxidation, for long-term reliable connection
Notes
Parameter
WF146WA01
WF146WA02
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
3.5
3.5
[kHz]
1, 3
Sensitivity, 2.83V/1m (average SPL in range 200 - 1,000 Hz)
90
87.5
[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
95
95
[sq.cm]
3, 6
Resonance frequency (free air, no baffle), Fs
56
58
[Hz]
Moving mass, incl. air (free air, no baffle), Mms
10.4
9.7
[g]
3
Force factor, Bxl
5.1
6.4
[N/A]
3, 6
Suspension compliance, Cms
0.78
0.78
[mm/N]
3, 6
Equivalent air volume, Vas
10.0
10.0
[lit.]
3, 6
Mechanical Q, Qms
7.0
7.0
[-]
3, 6
Electrical Q, Qes
0.45
0.54
[-]
3, 6
Total Q, Qts
0.42
0.51
[-]
4
Voice coil resistance, RDC
3.2
6.3
[ohm]
5
Voice coil inductance, Le (measured at 10 kHz)
0.24
0.39
[mH]
Voice coil inside diameter
32
32
[mm]
Voice coil winding height
11
11
[mm]
Air gap height
5
5
[mm]
Magnet weight
400
400
[g]
Total unit net weight excl. packaging
1.03
1.03
[kg]
3, 5
Krm
0.19
0.14
[mohm]
3, 5
Erm
0.96
1.03
[-]
3, 5
Kxm
4.9
8.2
[mH]
3, 5
Exm
0.69
0.69
[-]
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