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Helix

Helix Ci5 W165FM-S3 - Compose Series 6.5" Midbass Woofer

Helix Ci5 W165FM-S3 - Compose Series 6.5" Midbass Woofer

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Product Description

SPECIAL ORDER ITEM

Features

  • 6.5” / 165 mm advanced midbass with exceptional sound performance and versatile physical integration options 

  • High efficiency and 3 Ohms technology for maximized power output of the amplifier 

  • Silicon coated paper cone for excellent impulse response and unmatched frequency response 

  • Integrated phase plug for improved upper midrange reproduction, reduced compression effects, and increased thermal power handling of the voice coil

  • Engineered for maximum flexibility – delivers impressive depth and stunning dynamics in both 2-way and 3-way system configurations

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

  • Specially shaped rubber surround for high linear cone excursion 

  • Large 1.46” / 37 mm voice coil ensures minimum thermal compression and 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 highest efficiency and extremely low distortion

  • 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 RMS / Max - 125 / 175 Watts

  • Impedance Z - 3 Ω

  • DC resistance Re - 3.1 Ω

  • Frequency response - 50 Hz - 5,000 Hz

  • Resonance frequency Fs - 50 Hz

  • Mechanical Q factor Qms - 2.38

  • Electrical Q factor Qes - 0.50

  • Total Q factor Qts - 0.41

  • Compliance Cms - 742 µm/N

  • Equivalent air volume Vas - 17.9 L

  • Force factor B*I - 5.2 Tm

  • Sensitivity SPL - 92 dB @ 2.83 V / 1m

  • Cone area Sd - 131 cm²

  • Moving mass Mms - 14.0 g

  • Cone material - Silicon coated paper cone

  • Mechanical resistance Rms - 1.83 kg/s

  • Voice coil diameter ø - 37 mm

  • Voice coil winding height - 13.7 mm

  • Max. linear excursion – Xmax +/- 3.9 mm

  • Outer diameter ø - 165 mm / 6.5"

  • Installation diameter ø - 142 mm / 5.59"

  • Installation depth - 66.8 mm / 2.63"

  • Features - ProConnect terminal,

Compatibility

  • FlexMount165

  • WireKits

Scope of delivery

  • 2 x Ci5 W165FM-S3

  • 2 x Mounting material