HELIX Ci7 W165FM-S3 - 6.5" Hi-End Midrange Woofer Pair, FlexMount | 3

$795.00
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HELIX COMPOSE. The perfect speaker for any composition. 

Born out of the increasingly demanding challenges of modern automobile technology and the HELIX-typical pursuit of intelligent solutions, we made the progressive redesign of proven universal speaker systems our mission. The result: our innovative HELIX COMPOSE platform that, according to the motto "developed inside the vehicle, for the vehicle", combines classic universal speakers with the advantages of vehicle-specific systems. Innovative materials and the latest technologies paired with smart, practical engineering - the best of both worlds in harmony: high efficiency, fantastic sound quality and enormous dynamics that fit in any vehicle. HELIX COMPOSE - universal speakers evolved.

Read more info here.

Features

  • 6.5” / 165 mm high-end midbass which combines outstanding sound performance with versatile physical integration options
  • High efficiency and 3 Ohms technology for maximized power output of the amplifier
  • Ultra High Damping (UHD) crafted paper cone for outstanding impulse response and unmatched frequency response
  • 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
  • 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
  • Made in Germany

Technical Data

Power handling RMS / max. P
 150 / 225 Watts
Impedance  Z 3 ?
DC resistance  Re 2.9 ?
Frequency response   50 Hz - 3,500 Hz
Resonance frequency  Fs 60 Hz
Mechanical Q factor  Qms 3.00
Electrical Q factor  Qes 0.68
Total Q factor Qts 0.55
Compliance Cms 480 µm/N
Equivalent air volume Vas 11.6 L
Force factor  B*I 4.8 Tm
Sensitivity SPL 92 dB @ 2.83 V / 1m
88 dB @ 1W / 1m
Cone area  Sd 131 cm²
Moving mass  Mms 14.8 g
Cone material   Ultra-high damping (UHD) crafted paper cone
Mechanical resistance  Rms 1.83 kg/s
Voice coil diameter ø 37 mm
Voice coil winding height   13.4 mm
Max. linear excursion  Xmax +/- 3.7 mm
Outer diameter ø 165 mm / 6.5"
Installation diameter ø 142 mm / 5.59"
Installation depth   65.8 mm / 2.59"
Features   ProConnect terminal,
FlexMount165

 Compatibility

  • FlexMount165
  • WireKits

Scope of delivery

2 x Ci7 W165FM-S3
2 x Connection cable
2 x Mounting material

HELIX COMPOSE. The perfect speaker for any composition. 

Born out of the increasingly demanding challenges of modern automobile technology and the HELIX-typical pursuit of intelligent solutions, we made the progressive redesign of proven universal speaker systems our mission. The result: our innovative HELIX COMPOSE platform that, according to the motto "developed inside the vehicle, for the vehicle", combines classic universal speakers with the advantages of vehicle-specific systems. Innovative materials and the latest technologies paired with smart, practical engineering - the best of both worlds in harmony: high efficiency, fantastic sound quality and enormous dynamics that fit in any vehicle. HELIX COMPOSE - universal speakers evolved.

Read more info here.

Features

  • 6.5” / 165 mm high-end midbass which combines outstanding sound performance with versatile physical integration options
  • High efficiency and 3 Ohms technology for maximized power output of the amplifier
  • Ultra High Damping (UHD) crafted paper cone for outstanding impulse response and unmatched frequency response
  • 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
  • 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
  • Made in Germany

Technical Data

Power handling RMS / max. P
 150 / 225 Watts
Impedance  Z 3 ?
DC resistance  Re 2.9 ?
Frequency response   50 Hz - 3,500 Hz
Resonance frequency  Fs 60 Hz
Mechanical Q factor  Qms 3.00
Electrical Q factor  Qes 0.68
Total Q factor Qts 0.55
Compliance Cms 480 µm/N
Equivalent air volume Vas 11.6 L
Force factor  B*I 4.8 Tm
Sensitivity SPL 92 dB @ 2.83 V / 1m
88 dB @ 1W / 1m
Cone area  Sd 131 cm²
Moving mass  Mms 14.8 g
Cone material   Ultra-high damping (UHD) crafted paper cone
Mechanical resistance  Rms 1.83 kg/s
Voice coil diameter ø 37 mm
Voice coil winding height   13.4 mm
Max. linear excursion  Xmax +/- 3.7 mm
Outer diameter ø 165 mm / 6.5"
Installation diameter ø 142 mm / 5.59"
Installation depth   65.8 mm / 2.59"
Features   ProConnect terminal,
FlexMount165

 Compatibility

  • FlexMount165
  • WireKits

Scope of delivery

2 x Ci7 W165FM-S3
2 x Connection cable
2 x Mounting material

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