PURIFI PTT4.0X04-NFC-01
4Ω
8ΩSubwoofer
| Nominal diameter | 4″ / 125 mm |
| Resonance | 38 Hz |
| Q factor | 0.30 |
| Sensitivity | 82 dB |
| Linear excursion | ± 8.8 mm |
| Program Power | 200 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 82dB
Thiele & Small parameters
- Resonance frequency (free air) fS 38Hz
- Mechanical quality factor QMS 4.50
- Electrical quality factor QES 0.32
- Total quality factor QTS 0.30
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 4Ω
- DC resistance RE 3.8Ω
- Inductance (1kHz) LE 0.38mH
- VC Diameter 30mm
- Winding height HVC 21.6mm
- Winding material Aluminum
Magnet
- Force factor Bl 6N/A
- Motor constant Bl/√RE 3.08N/√W
- Air gap height HAG 4mm
- Diameter 90mm
Diaphragm
- Effective diameter 85mm
- Effective area SD 56.7cm²
- Moving mass MMS 12.8g
- Moving mass (without air load) MMD 12.5g
- Material Proprietary Fiber Mix
Suspensions
- Stiffness KMS 0.709N/mm
- Compliance CMS 1410µm/N
- Equivalent volume to the compliance VAS 6.4L
- Mechanical resistance RMS 0.66N·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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