PURIFI PTT4.0X08-NFC-01
4Ω
8Ω
Subwoofer
| Nominal diameter | 4″ / 125 mm |
| Resonance | 41 Hz |
| Q factor | 0.37 |
| Sensitivity | 81.8 dB |
| Linear excursion | ± 8.8 mm |
| Program Power | 200 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 81.8dB
Thiele & Small parameters
- Resonance frequency (free air) fS 41Hz
- Mechanical quality factor QMS 4.20
- Electrical quality factor QES 0.41
- Total quality factor QTS 0.37
Large signal parameters
- Maximum linear excursion (one way) xmax 8.8mm
- Maximum excursion before damage xlim 13.7mm
- Air volume displaced at xmax VD 50cm³
- Power handling P 60W
- Program power Pmax 200W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.4Ω
- Inductance (1kHz) LE 0.51mH
- VC Diameter 30mm
- Winding height HVC 21.6mm
- Winding material Aluminum
Magnet
- Force factor Bl 6.9N/A
- Motor constant Bl/√RE 2.73N/√W
- Air gap height HAG 4mm
- Diameter 90mm
Diaphragm
- Effective diameter 85mm
- Effective area SD 56.7cm²
- Moving mass MMS 11.7g
- Moving mass (without air load) MMD 11.4g
- Material Proprietary Fiber Mix
Suspensions
- Stiffness KMS 0.8N/mm
- Compliance CMS 1250µm/N
- Equivalent volume to the compliance VAS 5.7L
- Mechanical resistance RMS 0.73N·s/m
Dimensions
- Nominal diameter 4″
- 125mm
- Overall diameter 125mm
- Baffle cutout diameter 101mm
- Overall depth 78mm
- Flange thickness 4mm
- Mounting depth 74mm
- Volume occupied by the driver 0.23L
- Net weight 1.25kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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