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Helix CB C690.2-S3 - 3Ohm
Helix Compose Basic 6 x 9” - 2-way coaxial speaker.
Helix Basic is the most affordable model in the Compose series and offers a great price/quality ratio!
Like other Compose models, Basic was developed in-car, which means it has been optimized specifically for in-car use.
One of the key elements of the Compose series is a patented mounting system called FlexMount, which is based on specially developed speaker adapters.<br>
This technology allows you to install Compose Basic speakers in an almost infinite number of car models by simply changing the adapter ring that fits your car.
Specifications:
Power handling RMS / Max. P 100 / 150 Watts
Frequency response 50 Hz to 22,000 Hz
Impedance Z 3 Ω
Sensitivity SPL 94 dB @ 2.83V / 1m
90dB @ 1W/1m
Outer diameter ø 235.0 x 164.0 mm / 9.25 x 6.46”
Installation diameter ø 218.4 x 150.6 mm / 8.60 x 5.93”
Installation depth 74.8 mm / 2.95"
Woofer
Impedance Z 3 Ω
DC resistance Re 3.1 Ω
Resonance frequency Fs 56 Hz
Mechanical Q factor Qms 3.73
Electrical Q factor Qes 0.63
Total Q factor Qts 0.54
Compliance Cms 420 μm/N
Equivalent air volume Vas 24.7 L
Force factor B*l 5.7 Tm
Cone area Sd 205 cm2
Moving mass MMS 19.1 g
Mechanical resistance Rms 1.81 kg/s
Voice coil diameter ø 25 mm
Voice coil winding height
9.0 mm
Max. linear excursion Xmax +/- 2.0 mm
Tweeter
Voice coil diameter ø 25 mm
Features
Tweeter Silk Dome and neodymium magnet
Midbass
Injected polypropylene cone
Crossover Integrated, 6 dB highpass