Product overview
HELIX COMPOSE. The perfect speaker for any composition.
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 innovative HELIX COMPOSE platform 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.
The Sound Sensation for sophisticated music lovers
The HELIX COMPOSE i5 series is the link between i7 and i3 , created for sophisticated music lovers with a sparked ambition for a true hi-fi experience. A lovechild of phenomenal sound and unmatched practicality: Developed with the vision of unique speaker highlights that are also true problem solvers. All speaker impedances are perfectly matched for the combination with our HELIX and MATCH amplifiers, guaranteeing maximum performance at any time. In addition, we implemented our COMPOSE-exclusive mechanical technologies that offer unbeatable practical benefits.
Brilliant treble with excellent dispersion characteristics
Despite the larger diameter of 25 mm / 1”, the Ci5 T25FM-CA has an excellent wide dispersion and off-axis response, allowing the creation of an impressive sound image and soundstage – even in OEM installation spots. With its ceramic-coated aluminum dome, it features a balanced frequency response and excellent decay characteristics. As a result, high frequencies are reproduced even more clearly and realistically. The sturdy aluminum housing with integrated grille provides optimal protection for the delicate dome, while the high-efficiency neodymium magnet ensures a linear magnetic flow. In true COMPOSE fashion, the design’s integration-friendly approach stands out: with its compact dimensions and flexible mounting options, including various mounting pods supplied, this tweeter is perfectly equipped to meet diverse installation requirements.
FlexMount25 – Universal meets car-specific
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 FlexMount25 adaptor ring.
WireKits – Plug & Play at its best
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.
Key features
- 1” / 25 mm advanced tweeter with ceramic-coated aluminum dome for balanced frequency response and excellent decay characteristics
- Sturdy aluminum housing with integrated grille for optimum protection of the delicate tweeter dome
- Highly efficient neodymium magnet for high magnetic flux linearity
- Compact design and various mounting options for numerous installation demands
- Mounting pods for flush mount and angle mount included in delivery
- Designed for the optionally available car-specific FlexMount25 adaptors which allow an acoustically optimized and professional integration in the original mounting location of the vehicle
- Designed for optionally available, car-specific WireKits which allow a non-destructive integration
Technical specifications
| Impedance | 4 Ω |
|---|---|
| DC resistance | 3.2 Ω |
| Frequency response | 2,000 Hz – 25,000 Hz |
| Resonance frequency | 1800 Hz |
| Sensitivity | 94.0 dB @ 2.83V / 1m / 91.0 dB @ 1W / 1m |
| Voice coil diameter | 25 mm |
| Cone material | Aluminum with ceramic coating |
| Outer diameter | 40 mm / 1.57" |
| Installation diameter | 38 mm / 1.50" |
| Installation depth | 11.7 mm / 0.46" |
| Slope | Minimum crossover frequency |
| 6 dB/Octave | > 4,000 Hz |
| 12 dB/Octave | > 3,000 Hz |
| 24 dB/Octave | > 2,500 Hz |
What you are ordering
The exact HELIX model shown above, APEX catalogue SKU CI21002. Review the listed inputs, outputs, impedance and system requirements before ordering.
Technical information verified against the official Audiotec Fischer product page.
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