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Infinity REF1200S - EZFit 6-1/2” Coaxial car audio speaker Shallow Mount
Focal 25A4 10" Access Subwoofer
Focal 21WX
8″ Multimagnet Subwoofer
21cm (8″) subwoofer, Multiferrite magnet. 21 WX combines smaller dimensions and limited inner volume for deep, high-impact bass reproduction.
Features:
- 8" Single 4 ohm Utopia Be Subwoofer
- Multiferrite magnet.
- "W" Cone woofer is made up of a foam and glass composite
- Rubber surround
- Zamak (zinc alloy) basket
- 2-Layer Kapton voice coil former
- Multi-ferrite magnet structure
- High power handling
- For compact closed box
More Information
| Model |
21WX |
| Manufacturer |
Focal |
| Weight |
8.800000 |
| Subwoofer Size |
8" |
| RMS Power Rating |
250 W |
| Max Power Rating |
500 W |
| Frequency Response (Hz) |
29 Hz – 500 kHz |
| Sensitivity (dB @ 2.83V/1M) |
86.5 dB |
| Cone Material |
W |
| Surround Type |
Rubber |
| Nominal Impedance: |
4Ω |
| DC Resistance |
3.4 ohms |
| VC diameter |
50 mm |
| VC Height |
25mm |
| Former |
Aluminum |
| Layers |
2 |
| Wire |
Copper |
| Inductane |
1.13 mH |
| Xmax - Inch(mm) |
8.5 mm |
| Magnet |
15x45 mm |
| Magnet Weight |
1.3 kg |
| Flux Density |
0.85 T |
| Gap Height |
8mm |
| Voice Coil Type |
2 Layer |
| Voice Coil wire |
Copper |
| Fs-Free Air Resonance (Hz) |
36.63 Hz |
| Vas (Liter) |
18.8 I |
| Qts |
0.6 |
| Qes |
0.77 |
| Qms |
2.81 |
| Re (Ω)[series] |
3.4 ohm |
| Sd (cm2) |
208.67 cm2 |
| Cms (mm/N) |
3.07E-04 m/N |
| Mms (g) |
61.4 g |
| Le (mH) |
19.19 mH |
| BL |
7.9 N/A |
| SPL |
82.63 dB/W/m |
| Woofer |
Composite sandwich “W” cone |
