PURIFI PTT5.25X04-NFA-01
4Ω
8ΩSubwoofer
| Nominal diameter | 5.25″ / 147 mm |
| Resonance | 29 Hz |
| Q factor | 0.24 |
| Sensitivity | 83 dB |
| Linear excursion | ± 9.8 mm |
| Program Power | 250 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 83dB
Thiele & Small parameters
- Resonance frequency (free air) fS 29Hz
- Mechanical quality factor QMS 6.50
- Electrical quality factor QES 0.25
- Total quality factor QTS 0.24
Large signal parameters
- Maximum linear excursion (one way) xmax 9.8mm
- Maximum excursion before damage xlim 14mm
- Air volume displaced at xmax VD 83cm³
- Power handling P 80W
- Program power Pmax 250W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.6Ω
- Inductance (1kHz) LE 0.39mH
- VC Diameter 39mm
- Winding height HVC 23.6mm
- Winding material Copper Clad Aluminum
Magnet
- Force factor Bl 7.9N/A
- Motor constant Bl/√RE 4.16N/√W
- Air gap height HAG 4mm
- Diameter 100mm
Diaphragm
- Effective diameter 104mm
- Effective area SD 84.9cm²
- Moving mass MMS 23.3g
- Moving mass (without air load) MMD 22.7g
- Material Proprietary Fiber Mix
Suspensions
- Stiffness KMS 0.787N/mm
- Compliance CMS 1270µm/N
- Equivalent volume to the compliance VAS 13L
- Mechanical resistance RMS 0.66N·s/m
Dimensions
- Nominal diameter 5.25″
- 147mm
- Overall diameter 147mm
- Baffle cutout diameter 121mm
- Overall depth 79mm
- Flange thickness 4mm
- Mounting depth 75mm
- Volume occupied by the driver 0.3L
- Net weight 1.75kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
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