Helix Ci7 W165FM-S3 6.5" midbass speakers
Helix Ci7 W165FM-S3 6.5" midbass speakers
Helix Ci7 W165FM-S3 6.5" midbass speakers

Helix Ci7 W165FM-S3 6.5" midbass speakers

Ci7 W165FM-S3

Helix 6.5" midbass speakers

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
  • Powerful magnet system for highest efficiency and extremely low distortion
  • Made in Germany

 

Technical data

Power handling RMS / Max. P
150 / 225 Watts
Impedance  Z 3 Ω
DC resistance  Re 2.9 Ω
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"

 


Regular price$799.00
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