HELIX PURE P 3M
4Ω
Mid-range
| Nominal diameter | 3″ / 75 mm |
| Resonance | 130 Hz |
| Q factor | 0.45 |
| Sensitivity | 85.2 dB |
| Linear excursion | ± 2 mm |
| Program Power | 150 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 85.2dB
- Frequency response 400 - 5000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 130Hz
- Mechanical quality factor QMS 4.72
- Electrical quality factor QES 0.50
- Total quality factor QTS 0.45
Large signal parameters
- Maximum linear excursion (one way) xmax 2mm
- Air volume displaced at xmax VD 6cm³
- Power handling P 75W
- Program power Pmax 150W
Voice Coil
- Nominal impedance Z 4Ω
- DC resistance RE 3.3Ω
- Inductance (1kHz, estimated) LE 0.17mH
- VC Diameter 25mm
- Winding height HVC 8mm
Magnet
- Force factor Bl 4.4N/A
- Motor constant Bl/√RE 2.42N/√W
Diaphragm
- Effective diameter 62mm
- Effective area SD 30cm²
- Moving mass MMS 3.7g
- Moving mass (without air load) MMD 3.6g
Suspensions
- Stiffness KMS 2.41N/mm
- Compliance CMS 415µm/N
- Equivalent volume to the compliance VAS 0.54L
- Mechanical resistance RMS 0.63N·s/m
Dimensions
- Nominal diameter 3″
- 75mm
- Overall diameter 90mm
- Baffle cutout diameter 73mm
- Mounting depth 37mm
- Volume occupied by the driver (estimated) 0.1L
Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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