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Australia wide flat rate shipping is $15.95. Larger or heavier items may cost more; we will confirm when your order is processed. In stock items are dispatched within 1 to 2 business days. Report transit damage within 24 hours with photos so we can lodge a freight claim.
A standalone midbass driver is not a complete component speaker set. The HELIX Ci3 W165FM-S3 is a 165 mm, 3 ohm driver pair with FlexMount165 and ProConnect, intended for a system with the appropriate tweeters, filtering and amplification.
| Power handling RMS / max. | P |
100 / 150 Watts |
| Impedance | Z | 3 Ω |
| DC resistance | Re | 3.0 Ω |
| Frequency response | 60 Hz to 3,500 Hz | |
| Resonance frequency | Fs | 70 Hz |
| Mechanical Q factor | Qms | 4.17 |
| Electrical Q factor | Qes | 1.05 |
| Total Q factor | Qts | 0.84 |
| Compliance | Cms | 454 µm/N |
| Equivalent air volume | Vas | 11.2 L |
| Force factor | B*I | 4.0 Tm |
| Sensitivity | SPL | 92 dB @ 2.83 V / 1m 88 dB @ 1W / 1m |
| Cone area | Sd | 133 cm² |
| Moving mass | Mms | 11.3 g |
| Cone material | Paper with Cenosphere coating | |
| Mechanical resistance | Rms | 1.18 kg/s |
| Voice coil diameter | ø | 25 mm |
| Voice coil winding height | 10.5 mm | |
| Max. linear excursion | Xmax | plus or minus 3.2 mm |
| Outer diameter | ø | 165 mm / 6.5" |
| Installation diameter | ø | 142 mm / 5.59" |
| Installation depth | 60.7 mm / 2.39" | |
| Features | ProConnect terminal, FlexMount165 |
Confirm the intended active or passive system and required crossover parts. Check the exact adaptor, wiring and installation clearance rather than assuming vehicle fitment.
Listed by the Australian distributor:
Your purchase is covered by the Australian Consumer Law. Contact Frankies for the warranty terms that apply to this exact model.
No tweeters or crossovers appear in the supplied contents. The distributor lists two Ci3 W165FM-S3 drivers and mounting material. Plan the other system components separately.
Impedance: Z 3 Ω.
Installation diameter: ø 142 mm / 5.59".
Confirm the intended active or passive system and required crossover parts. Check the exact adaptor, wiring and installation clearance rather than assuming vehicle fitment.
The Australian distributor lists 2 x Ci3 W165FM-S3, 2 x Mounting material.
Your purchase is covered by the Australian Consumer Law. Contact Frankies for the warranty terms that apply to this exact model.
Quick answers to our most common customer questions.
Servicing the Illawarra and surrounding areas for over 30 years, Frankies Auto Electrics is a multi-award winning service provider and retail outlet, covering all aspects of auto electrical work and in-car entertainment. From sales and installations, electrical diagnostics and fault finding, upgrades and additions, our team of qualified sales people, technicians and installers are on hand to help.
Albion Park Rail
69 Princes Highway, Albion Park Rail, NSW Australia 2527
South Nowra
4/142 Princes Highway, South Nowra, NSW Australia 2541
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