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Helix

Helix Ci3 W165FM-S2 - Compose Series 6.5" MidBass Speakers

Helix Ci3 W165FM-S2 - Compose Series 6.5" MidBass Speakers

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Product Description

Special Order Only

Features

  • 6.5” / 165 mm performance midbass which combines outstanding sound quality with versatile physical integration options

  • High efficiency and 2 Ohms technology for maximum power output of the amplifier

  • Unique Cenosphere coated paper cone for precise and detailed sound reproduction

  • High-tech polymer composite basket reinforced with glass beads for enormous rigidity and minimized ringing

  • Specially shaped rubber surround for high linear cone excursion

  • Polyurethane dustcap for optimized frequency response in the upper midrange area

  • 1” / 25 mm voice coil ensures high power handling

  • Automotive grade ProConnect connection terminal allows the use of conventional speaker cables or a fast, secure and fail-safe connection via optionally available WireKits

  • Powerful magnet system for high efficiency and optimum impulse response

  • Designed for the optionally available car-specific FlexMount165 adaptors which allow an acoustically optimized and professional integration in the original mounting location of the vehicle

  • Designed for optionally available, car-specific WireKits which allow a non-destructive integration

Technical data

  • Power handling - 100w RMS

  • Power Handling - 150w Peak

  • Impedance - Z - 2 Ω

  • DC resistance - Re - 1.8 Ω

  • Frequency response - 60 Hz - 3,500 Hz

  • Resonance frequency - Fs - 74 Hz

  • Mechanical Q factor - Qms - 3.92

  • Electrical Q factor - Qes - 0.92

  • Total Q factor - Qts - 0.74

  • Compliance - Cms - 370 µm/N

  • Equivalent air volume - Vas - 8.8 L

  • Force factor - B*I - 3.5 Tm

  • Sensitivity - SPL - 94 dB @ 2.83 V / 1m - 88 dB @ 1W / 1m

  • Cone area - Sd - 133 cm²

  • Moving mass - Mms - 12.5 g

  • Cone material - Paper with Cenosphere coating

  • Mechanical resistance - Rms - 1.48 kg/s

  • Voice coil diameter - ø - 25 mm

  • Voice coil winding height - 11.3 mm

  • Max. linear excursion - Xmax - +/- 3.7 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

Compatibility

  • FlexMount165

  • WireKits

Scope of delivery

  • 2 x Ci3 W165FM-S2

  • 2 x Mounting material