PURIFI PTT8.0X08-NAB-01
4Ω
8Ω
Subwoofer
| Nominal diameter | 8″ / 221 mm |
| Resonance | 24 Hz |
| Q factor | 0.35 |
| Sensitivity | 86 dB |
| Linear excursion | ± 9.3 mm |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 86dB
Thiele & Small parameters
- Resonance frequency (free air) fS 24Hz
- Mechanical quality factor QMS 5.80
- Electrical quality factor QES 0.37
- Total quality factor QTS 0.35
Large signal parameters
- Maximum linear excursion (one way) xmax 9.3mm
- Maximum excursion before damage xlim 15mm
- Air volume displaced at xmax VD 219cm³
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.0Ω
- Inductance (1kHz) LE 0.33mH
- VC Diameter 52mm
- Winding height HVC 23.6mm
- Winding material Copper
Magnet
- Force factor Bl 10.7N/A
- Motor constant Bl/√RE 4.37N/√W
- Air gap height HAG 5mm
- Diameter 140mm
Diaphragm
- Effective diameter 173mm
- Effective area SD 235cm²
- Moving mass MMS 47.6g
- Moving mass (without air load) MMD 44.9g
- Material Black Anodized Aluminum
Suspensions
- Stiffness KMS 1.05N/mm
- Compliance CMS 950µm/N
- Equivalent volume to the compliance VAS 74.5L
- Mechanical resistance RMS 1.22N·s/m
Dimensions
- Nominal diameter 8″
- 221mm
- Overall diameter 221mm
- Baffle cutout diameter 193mm
- Overall depth 107mm
- Flange thickness 5mm
- Mounting depth 102mm
- Volume occupied by the driver 0.64L
- Net weight 3.5kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
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