PURIFI PTT4.0X08-NAC-03
4Ω
8Ω
Subwoofer
| Nominal diameter | 4″ / 125 mm |
| Resonance | 43 Hz |
| Q factor | 0.39 |
| Sensitivity | 81.7 dB |
| Linear excursion | ± 8.8 mm |
| Program Power | 200 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 81.7dB
Thiele & Small parameters
- Resonance frequency (free air) fS 43Hz
- Mechanical quality factor QMS 4.10
- Electrical quality factor QES 0.43
- Total quality factor QTS 0.39
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 6.5Ω
- Inductance (1kHz) LE 0.56mH
- VC Diameter 30mm
- Winding height HVC 21.6mm
- Winding material Aluminum
Magnet
- Force factor Bl 7N/A
- Motor constant Bl/√RE 2.75N/√W
- Air gap height HAG 4mm
- Diameter 90mm
Diaphragm
- Effective diameter 85mm
- Effective area SD 56.7cm²
- Moving mass MMS 11.9g
- Moving mass (without air load) MMD 11.6g
- Material Black Anodized Aluminum
Suspensions
- Stiffness KMS 0.862N/mm
- Compliance CMS 1160µm/N
- Equivalent volume to the compliance VAS 5.3L
- Mechanical resistance RMS 0.79N·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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