PURIFI PTT6.5X04-NAA-08
4Ω
8ΩSubwoofer
| Nominal diameter | 6.5″ / 176 mm |
| Resonance | 32 Hz |
| Q factor | 0.35 |
| Sensitivity | 84.5 dB |
| Linear excursion | ± 9.8 mm |
| Program Power | 250 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 84.5dB
Thiele & Small parameters
- Resonance frequency (free air) fS 32Hz
- Mechanical quality factor QMS 7.50
- Electrical quality factor QES 0.37
- Total quality factor QTS 0.35
Large signal parameters
- Maximum linear excursion (one way) xmax 9.8mm
- Maximum excursion before damage xlim 14.5mm
- Air volume displaced at xmax VD 130cm³
- Power handling P 80W
- Program power Pmax 250W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.7Ω
- Inductance (1kHz) LE 0.36mH
- VC Diameter 39mm
- Winding height HVC 23.6mm
- Winding material Copper Clad Aluminum
Magnet
- Force factor Bl 7.8N/A
- Motor constant Bl/√RE 4.06N/√W
- Air gap height HAG 4mm
- Diameter 100mm
Diaphragm
- Effective diameter 130mm
- Effective area SD 133cm²
- Moving mass MMS 29.8g
- Moving mass (without air load) MMD 28.6g
- Material Black Anodized Aluminum
Suspensions
- Stiffness KMS 1.22N/mm
- Compliance CMS 820µm/N
- Equivalent volume to the compliance VAS 20.5L
- Mechanical resistance RMS 0.81N·s/m
Dimensions
- Nominal diameter 6.5″
- 176mm
- Overall diameter 176mm
- Baffle cutout diameter 148mm
- Overall depth 89mm
- Flange thickness 4mm
- Mounting depth 85mm
- Volume occupied by the driver 0.31L
- 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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