Helix Compose Basic 165mm / 6,5″ - 2-way coaxial speaker.
Helix Basic is the most affordable and best value for money model in the Compose range!
As with other Compose models, the Basic is designed to be stationary in the car, which means that it is optimised specifically for car use.
Power handling RMS / Max. P 80 / 120 Watts
Frequency response 60 Hz - 22,000 Hz
Impedance Z 3 Ω
Sensitivity SPL 92 dB @ 2.83V / 1m
88 dB @ 1W / 1m
Outer diameter ø 166.0 mm / 6.54"
Installation diameter ø 143.0 mm / 5.63"
Installation depth 61.4 mm / 2.42"
Midrange
Impedance Z 3 Ω
DC resistance Re 3.0 Ω
Resonance frequency Fs 65 Hz
Mechanical Q factor Qms 4.78
Electrical Q factor Qes 0.93
Total Q factor Qts 0.78
Compliance Cms 480 μm/N
Equivalent air volume Vas 12.9 L
Force factor B*l 4.1 Tm
Cone area Sd 139 cm2
Moving mass Mms 12.5 g
Mechanical resistance Rms 1.09 kg/s
Voice coil diameter ø 25 mm
Voice coil winding height
8.9 mm
Max. linear excursion Xmax +/- 2.5 mm
Tweeter
Voice coil diameter ø 20 mm
Features
Tweeter Silk dome and neodymium magnet
Midbass &br />
Injected polypropylene cone
Crossover Integrated, 6 dB highpass
Scope of delivery
2 x CB C165.2-S3
1 x Mounting material