PURIFI PTT8.0X04-NAB-01
4Ω
8ΩSubwoofer
| Nominal diameter | 8″ / 221 mm |
| Resonance | 26 Hz |
| Q factor | 0.36 |
| Sensitivity | 86.6 dB |
| Linear excursion | ± 9.3 mm |
| Program Power | 350 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 86.6dB
Thiele & Small parameters
- Resonance frequency (free air) fS 26Hz
- Mechanical quality factor QMS 5.30
- Electrical quality factor QES 0.38
- Total quality factor QTS 0.36
Large signal parameters
- Maximum linear excursion (one way) xmax 9.3mm
- Maximum excursion before damage xlim 15mm
- Air volume displaced at xmax VD 219cm³
- Power handling P 90W
- Program power Pmax 350W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.5Ω
- Inductance (1kHz) LE 0.18mH
- VC Diameter 52mm
- Winding height HVC 23.6mm
- Winding material Copper Clad Aluminum
Magnet
- Force factor Bl 8N/A
- Motor constant Bl/√RE 4.28N/√W
- Air gap height HAG 5mm
- Diameter 140mm
Diaphragm
- Effective diameter 173mm
- Effective area SD 235cm²
- Moving mass MMS 43.2g
- Moving mass (without air load) MMD 40.5g
- Material Black Anodized Aluminum
Suspensions
- Stiffness KMS 1.11N/mm
- Compliance CMS 900µm/N
- Equivalent volume to the compliance VAS 70.4L
- Mechanical resistance RMS 1.32N·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
SpeakerSim
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