Helix CB C87.2-S3 - 8.7cm 2-way coax speaker

Helix CB C87.2-S3 - 8.7cm 2-way coax speaker

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HELIX CB C87.2-S3 HELIX COMPOSE. The perfect speaker for every composition. Arose from... more
Product information "Helix CB C87.2-S3 - 8.7cm 2-way coax speaker"

HELIX CB C87.2-S3

HELIX COMPOSE. The perfect speaker for every composition.

Arose from the increasingly demanding challenges of modern vehicle technology and the HELIX-typical pursuit of intelligent solutions, we made the progressive redesign of proven universal loudspeaker systems our mission. The result: The innovative HELIX COMPOSE platform, which combines classic universal speakers with the advantages of vehicle-specific systems according to the motto “developed in the car, for the car”. Innovative materials and the latest technologies paired with smart, practical engineering - the best of two worlds in harmony: very high efficiency, fantastic sound quality and enormous dynamics that fit into every vehicle. HELIX COMPOSE – universal loudspeaker thought ahead.

All the essentials for an exceptional sound experience

As the name suggests, our BASIC coaxial systems offer all the essentials for an exceptional sound experience in the automobile and therefore the perfect basis for entry into the world of HELIX COMPOSE. All components are ideally coordinated with each other and also form the perfect team with our HELIX and MATCH amplifiers, which guarantees maximum performance and power output at all times.

Maximum efficiency

HELIX COMPOSE stands for smart engineering and is based on the highly efficient 3 ohm technology, which harmonizes perfectly with all HELIX and MATCH amplifiers and at the same time enables a clearly noticeable increase in efficiency and maximum sound pressure. Individual models will also be available as an optional 2 ohm version, which, in conjunction with the appropriate amplifiers, will get the absolute maximum performance and power out of the respective loudspeaker component.

Powerful bass – precise

In the BASIC series, our COMPOSE woofer combines high efficiency with excellent sound quality. The light but stable polypropylene membrane ensures exceptional sound performance, while the torsion-resistant basket is equipped with additional ventilation openings for optimized cooling. A strong magnet system is installed for ideal impulse behavior, and the soft polyurethane dust cap guarantees an optimized frequency response in the upper midrange. Last but not least, the compact design is ideal for integration in confined spaces.

Treble with unique dynamics

Of course, when entering the HELIX COMPOSE sound world, precise highs are a must for an all-round successful music experience. The tweeter has a lightweight PEI dome and a highly efficient neodymium magnet - the result: unique dynamics in the tweeter reproduction and crystal-clear sound.

Features

  • 2-way coaxial speaker system that combines high efficiency with exceptional sound quality
  • 3 Ohm technology for maximized amplifier power delivery
  • Compact design for problem-free installation even in tight spaces
  • Tweeter
    • 13 mm tweeter with PEI dome for precise high-frequency reproduction
    • Very efficient neodymium magnet for an optimally linear magnetic flux
  • Midrange driver
    • 87 mm midrange driver with a light and at the same time enormously stiff polypropylene membrane for extraordinary sound performance
    • Torsion-resistant steel basket with additional ventilation openings for optimized cooling of the voice coil and maximum load capacity
    • Strong magnet system for optimal impulse response
  • Crossover
    • Integrated with 6 dB slope

Technical data

RMS / Max.  P 40 / 60 watts
Frequency range   110 Hz - 22,000 Hz
Impedance Z 3 Ω
Efficiency SPL 88 dB @ 2.83V / 1m
84 dB @ 1W / 1m
Outside diameter  ø 86.9mm
Installation diameter ø 79.0mm
Installation depth    42.0mm
   
Midrange  
Impedance Z 3 Ω
DC resistance Re 3.0 Ω
Resonance frequency Fs 92 Hz
Mechanical quality Qms 3.80
Electrical quality Qes 0.74
Overall quality  Qts 0.62
 Compliance Cms 820 μm/N
Equivalent volume Vas 1.5 L
Power factor B*l 2.9 Tm
Membrane area Sd 36 cm2
Moving mass Mms 3.6g
Mechanical resistance Rms 0.52 kg/s
Voice coil diameter  ø 25mm

Voice coil winding width

  8.3mm
Max. linear diaphragm stroke Xmax +/- 2.2mm
   
Tweeter  
Voice coil diameter ø 13mm
   
Features  
Tweeter   PEI dome and neodymium magnet
Midrange driver  

Injected polypropylene

Crossover   Integrated, 6 dB high pass

Scope of delivery

2 x CB C87.2-S3
1 x fastening material

quantity: 1 pair
Diameter (in cm): 8,7
Impedance (in Ohm): 3,0
Speaker Type: Coax-System
Speaker Features: 2 ways
Peak Power (in Watt): 60
Power RMS (in Watt): 40
Product group: Speaker
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