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FOUNTEK FW222 Speaker Driver Midwoofer Aluminium 75W 8 Ohm 87dB 50Hz - 3kHz Ø20.3cm
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Fountek FW222
Speaker Driver Midwoofer Aluminium 75W 8 Ohm 87dB 50Hz - 3kHz Ø20.3cm
The Fountek FW222 is a Ø20.3 "cm (8") midwoofer driver incorporating an anodised aluminium cone with an inverted dome and integral grille. The bowl is fully open under the spider for minimal compression at high output levels. Featuring a large maximum linear excursion, this driver supports high power handling and provides low distortion and good transient response.
Technical characteristics
| Specifications | |
|---|---|
| Speaker driver type | Midwoofer |
| Nominal diameter | Ø30.5cm (12") |
| Power handling | RMS : 75W Max : 150W |
| Impedance | 8Ω |
| Frequency response | 50Hz - 3kHz |
| Senstivity | 87dB 1W/1m |
| Voice coil diameter | Ø50mm |
| Voice coil height | 20mm |
| Thiele-Small Parameters | |
|---|---|
| Resonant frequency (Fs) | 34.6Hz |
| DC Resistance (Re) | 6.8Ω |
| Mechanical quality coefficient (Qms) | 2.61 |
| Electromagnetic quality coefficient (Qes) | 0.609 |
| Total quality coefficient (Qts) | 0.493 |
| Compliance equivalent volume (Vas) | 47.7L |
| Mechanical compliance of suspension (Cms) | 0.7mm/N |
| Force factor (BL) | 8.7Tm |
| Diaphragm mass inc. airload (Mms) | 30.246g |
| Diaphragm + Voice coil mass (Mmd) | 28.382g |
| Max linear excursion (Xmax) | ±7mmmm |
| Surface area of cone (Sd) | 219cm² |
| Magnetic flux density (B) | 1.0T |
| Material | |
|---|---|
| Cone | Aluminum |
| Voice coil wire | Copper |
| Voice coil former | Aluminum |
| Voice coil layers | 2 |
| Magnet | Ferrite |
| Mounting informations | |
|---|---|
| Total external diameter | Ø223.5mm |
| Depth | 95mm |
| Cutout diameter | Ø189mm |
| Number of fixation holes | 6 |
| Speaker Power (W RMS) | 75.0 |
| Speaker Type | Midbass |
| Impedance (Ω) | 8 |
| Loudspeaker diameter (mm) | 203.0 |
| Diaphragm type | Aluminium |
| Efficiency / Sensitivity (dB) | 87.0 |
| Max Linear Excursion (Xmax) (mm) | 7.0 |
| Lowest frequency (Hz) | 50 |
| Highest frequency (Hz) | 3000 |
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