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Helix Compose i7 - Ci7 W165FM-S3
The HELIX COMPOSE i7 series represents uncompromising excellence, ensuring an excellent sound experience in your vehicle. With the obvious influence of its high-end sister brand BRAXIN, the i7 speaker series is manufactured entirely in Germany and optimized for uncompromising sound quality.
Compose i7 series uses only high-quality materials:
- The cones are UHD (ultra high damping crafter paper cone) paper cones
- The frames are made of a polymer composite, which is additionally reinforced with glass beads, resulting in a very rigid and reverberant-free material.
- Very powerful magnets
One of the key elements of the Compose series is a patented mounting system called FlexMount, which is based on specially developed speaker adapters.
This technology allows you to install i 7 speakers in an almost infinite number of car models by simply changing the adapter ring that fits your car.
The speaker is attached/removed from the adapter ring by rotating it, which causes the protrusions on the element to come loose from the adapter.
FlexMount adapter rings are either included with the speaker or can be purchased separately (be sure to check out our FlexMount selection).
The i7 series is compatible with all FlexMount, FlexConnect, ProConnect and WireKits adapters.
Specifications:
Power RMS / Max: 150 / 225 Watts
Impedance: 3 Ohm
DC resistance: 2.9 Ohm
Frequency response: 50 - 3500 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 ɥm/N
Equivalent air volume ( Left ): 11.6 L
Force factor ( B * I ): 4.8 Tm
Sensitivity ( SPL ): 92.0 db @ 2.83V/1m┃88.0 db @ 1W/1m
Cone area (Sd): 131 cm2
Moving mass (Mms): 14.8 g
Cone material: Ultra high damping crafted paper cone
Mechanical resistance ( Rms ): 1.83 kg/s
Voice coil diameter: 37 mm
Voice coil winding height: 13.4 mm
Max. linear excursion ( Xmax ): +/- 3.7 mm
Mounting Ø 142.0 mm
Mounting depth: 65.8 mm
Features: FlexConnect terminal, powerful push-pull neodymium magnet system and FlexMound 100