| Nominal Impendance (ohm) 4 |
4 |
4 |
4 |
| Power Handling Wrms |
100 |
120 |
140 |
| Max. Trans. Pwr Handling Wrms |
300 |
500 |
600 |
| Sensitivity (2.83 V/1M) dB |
89 |
90 |
91 |
| Frequency response Hz |
50-4200 |
45 – 3000 |
35 – 3000 |
| Resonant Freq. Fs Hz |
82 |
56 |
45 |
| Voice Coil Diameter mm (inch) |
54 (2.1) |
54 (2.1) |
54 (2.1) |
| Voice Coil Height mm (inch) |
10.50 (0.41) |
10.50 (0.41) |
11 (0.47) |
| Voice Coil Type/Former |
Aluminium |
Aluminium |
Aluminium |
| Voice Coil Wire |
Hexatech™ Aluminium |
Hexatech™ Aluminium |
Hexatech™ Aluminium |
| DC Resistance (ohm) |
3.2 |
3 |
3 |
| Voice Coil Induct. @1 kHz (mH) |
0.21 |
0.21 |
0.22 |
| Magnet System |
Hybrid rear vented |
Hybrid rear vented |
Hybrid rear vented |
| HE-Magnetic Gap Height mm (inch) |
4 (0.16) |
4 (0.16) |
4 (0.16) |
| B-Flux Density (T) |
0.83 |
0.83 |
0.83 |
| BL Product/BXL |
4.16 |
4.2 |
4.2 |
| Max. Linear Ex./Xmax mm (inch) |
7 ± 3.5mm (0.28 ± 0.14) |
7 ± 3.5mm (0.28 ± 0.14) |
7 ± 3.5mm (0.28 ± 0.14) |
| Suspension Compliance CMS – mm/N |
0.57 |
0.78 |
1.1 |
| Electrical Q Factor QES |
0.63 |
0.59 |
0.56 |
| QTS |
0.46 |
0.45 |
0.44 |
| QMS |
1.74 |
1.8 |
2.08 |
| Mech. Resistance RMS- N . S / M |
1.98 |
1.96 |
1.5 |
| Moving Mass MMS – gr/ounce |
6.8 |
9.9 |
11 |
| Equiv. Can Air Load VAS – L (cu.ft3) |
3.17 (0.11) |
8.87 (0.31) |
21 (0.74) |
| Effective Piston Area SD sq.cm (sq.inch) |
64 (9.92) |
90 (13.95) |
119 (18.45) |
| Cone Type |
One-piece formed |
One-piece formed |
One-piece formed |
| Cone Material |
DPC |
DPC |
DPC |
| Unit Diameter mm(inch) |
109 (4.3) |
135 (5.25) |
165 (6.50) |
| Mounting Depth mm (inch) |
28.5 (1.12) |
60 (2.36) |
61 (2.40) |
| Mounting Cutout |
93 (3.6) |
120 (4.72) |
141 (5.55) |
| Net Wight Kg (lb) |
0.53 (1.1716) |
0.60 (1.32) |
0.60 (1.32) |