Helix Compose Basic 130mm / 5,25″ - 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 for car use.
Power handling RMS / Max. P 70 / 105 Watts
Frequency response 80 Hz - 22,000 Hz
Impedance Z 3 Ω
Sensitivity SPL 90 dB @ 2.83V / 1m
86 dB @ 1W / 1m
Outer diameter ø 130.0 mm / 5.12"
Installation diameter ø 118.0 mm / 4.65"
Installation depth 51.4 mm / 2.02"
Midrange
Impedance Z 3 Ω
DC resistance Re 3.0 Ω
Resonance frequency Fs 92 Hz
Mechanical Q factor Qms 4.28
Electrical Q factor Qes 1.18
Total Q factor Qts 0.92
Compliance Cms 303 μm/N
Equivalent air volume Vas 4.0 L
Force factor B*l 3.8 Tm
Cone area Sd 97 cm2
Moving mass Mms 9.7 g
Mechanical resistance Rms 1.33 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 C130.2-S3
1 x Mounting material