
Born out of the increasingly demanding challenges of modern automobile technology and the HELIX-typical pursuit of intelligent solutions, we made the progressive redesign of proven universal speaker systems our mission. The result: our innovativeĀ HELIX COMPOSE platformĀ that, according to the motto "developed inside the vehicle, for the vehicle", combines classic universal speakers with the advantages of vehicle-specific systems.
Innovative materials and the latest technologies paired with smart, practical engineering - the best of both worlds in harmony: high efficiency, fantastic sound quality and enormous dynamics that fit in any vehicle. HELIX COMPOSE - universal speakers evolved.
Our HELIX COMPOSE i7 series represents uncompromising high-end for an outstanding sound experience in the automobile. With obvious influence of the high-end sister brandĀ BRAX, the i7 speaker series is completely made in Germany and optimized for uncompromising music enjoyment. All speaker impedances are perfectly matched for the combination with ourĀ HELIXĀ andĀ MATCH amplifiers, guaranteeing maximum performance at any time. In addition, HELIX COMPOSE introduces four new mechanical technologies that offer unbeatable practical benefits.
Our i7 tweeter is equipped with a fine-meshed silk dome with visco-elastic Acronal coating on both sides, guaranteeing a brilliant and smooth treble response. In addition, the integration of pure lambās wool and dampened coupling volume enables a very low resonance frequency and allows a deep acoustic coupling.
FlexMount is a mounting system based on specially developed adaptor rings, allowing the installation of COMPOSE FlexMount speakers in an almost infinite number of vehicles. Thus, the universal tweeter effortlessly becomes a vehicle-specific tweeter, that can be easily installed in the original installation position of the vehicle in an acoustically optimized way with the matching FlexMount20 adaptor ring.
Our WireKits realize the connection of HELIX COMPOSE components to the original wiring harness, or optionally to the crossover, in the most comfortable way. With manufacturing according to the high standards of the automotive industry, these arrestable adaptor cables meet all requirements for the harsh environmental conditions that installers are facing in vehicles every day.
| ImpedanceĀ Ā | Z | 4 Ī© |
| DC resistanceĀ | ReĀ | 3.4 Ī© |
| Frequency responseĀ | Ā | 1,500 Hz - 30,000 Hz |
| Resonance frequencyĀ | FsĀ | 950 Hz |
| Sensitivity | SPLĀ | 91.0 dB @ 2.83V / 1m 88.0 dB @ 1W / 1m |
| Voice coil diameterĀ Ā | Ć | 20 mm |
| Cone materialĀ | Ā | Silk dome with coupling volume |
| Outer diameter | Ā | 32 mm / 1.26" |
| Installation diameter | Ā | 27.2 mm / 1.07" |
| Installation depth | Ā | 19 mm / 0.75"Ā |
| Ā Ā Ā | ||
| Recommended crossover frequencies for the highpassĀ Ā | ||
| SlopeĀ | Ā | Minimum crossover frequency |
| 6 dB/OctaveĀ | > 4,000 Hz | |
| 12 dB/OctaveĀ | > 3,000 Hz | |
| 24 dB/OctaveĀ Ā | > 2,500 Hz | |
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