HELIX PURE P 5B
4Ω
Mid Bass
| Nominal diameter | 5″ / 130 mm |
| Resonance | 71 Hz |
| Q factor | 0.44 |
| Sensitivity | 87.1 dB |
| Linear excursion | ± 3 mm |
| Program Power | 160 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 87.1dB
- Frequency response 60 - 5500Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 71Hz
- Mechanical quality factor QMS 5.82
- Electrical quality factor QES 0.47
- Total quality factor QTS 0.44
Large signal parameters
- Maximum linear excursion xmax 3mm
- Air volume displaced at xmax VD 24cm³
- Power handling P 80W
- Program power Pmax 160W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.5Ω
- Inductance (1kHz, estimated) LE 0.35mH
- VC Diameter 25mm
- Winding height HVC 12mm
Magnet
- Force factor Bl 5.6N/A
- Motor constant Bl/√RE 2.99N/√W
Diaphragm
- Effective diameter 100mm
- Effective area SD 79cm²
- Moving mass MMS 9.6g
- Moving mass (without air load) MMD 9.1g
Suspensions
- Stiffness KMS 1.92N/mm
- Compliance CMS 522µm/N
- Equivalent volume to the compliance VAS 4.5L
- Mechanical resistance RMS 0.73N·s/m
Dimensions
- Nominal diameter 5″
- 130mm
- Overall diameter 129mm
- Baffle cutout diameter 111mm
- Mounting depth 63mm
- Volume occupied by the driver (estimated) 0.26L
Export this driver to a simulation software:
Closed Box Simulator·
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