The Profi Line, with its premium-quality components, is one of the most highly touted car speaker systems in history, as the numerous first place honors awarded in tests and reviews in the worldwide car audio press demonstrate. As with all the company’s product lines, Rainbow is dedicated to continuous development and improvement of the Profi Line, resulting in an ultimate auditory combination, with plasticity and front staging. The highest possible resolution definition with superb dynamic range and pulse response ensures sound reproduction of complex audio passages even at extreme volume levels.
- 4 inch Woofer
- 26mm Silk VOF Tweeter
- max. 110 Watt
The Tweeter
- Tweeter dome made of stamped, ultraviolet-withstanding, natural fiber silk mixture
- Fabric surround for controlled cone motion
- Tweeter dome sound-coated by hand
- Felt pad underneath tweeter dome to prevent turbulence
- Vented voice coil former with flexible stainless steel lead wires
- Connected acoustic volume for low-resonance frequency and superior linear frequency response
- Ferrofluid-free magnet system for fast and precise pulse response
- 8-holed backplate to connect tweeter to the acoustic volume
- High-efficiency neodymium magnet with reversible magnet energy at temperatures up to 175 degrees Celsius
The Crossover
- Profi Line crossovers are remarkable for their intrinsic features. Fitted with lowimpedance and low-distortion foil capacitors, they provide high saturation, excellent fidelity, and faithful phase linearity throughout the treble range. The low-impedance, low-stray coils ensure minimum ...
Read more [+]The Profi Line, with its premium-quality components, is one of the most highly touted car speaker systems in history, as the numerous first place honors awarded in tests and reviews in the worldwide car audio press demonstrate. As with all the company’s product lines, Rainbow is dedicated to continuous development and improvement of the Profi Line, resulting in an ultimate auditory combination, with plasticity and front staging. The highest possible resolution definition with superb dynamic range and pulse response ensures sound reproduction of complex audio passages even at extreme volume levels.
- 4 inch Woofer
- 26mm Silk VOF Tweeter
- max. 110 Watt
The Tweeter
- Tweeter dome made of stamped, ultraviolet-withstanding, natural fiber silk mixture
- Fabric surround for controlled cone motion
- Tweeter dome sound-coated by hand
- Felt pad underneath tweeter dome to prevent turbulence
- Vented voice coil former with flexible stainless steel lead wires
- Connected acoustic volume for low-resonance frequency and superior linear frequency response
- Ferrofluid-free magnet system for fast and precise pulse response
- 8-holed backplate to connect tweeter to the acoustic volume
- High-efficiency neodymium magnet with reversible magnet energy at temperatures up to 175 degrees Celsius
The Crossover
- Profi Line crossovers are remarkable for their intrinsic features. Fitted with lowimpedance and low-distortion foil capacitors, they provide high saturation, excellent fidelity, and faithful phase linearity throughout the treble range. The low-impedance, low-stray coils ensure minimum power loss at the crossovers. Palladium-plating ensures the best possible connections, and the variable tweeter level attenuation in combination with the HALO-system prevents excessive treble output.
The Woofer & Midrange
- Special plastic compound basket with extreme stiffness for resonance-free operation
- Palladium-plated screw terminals for high quality, large diameter cables
- Extremely flexible surface refined lead wires fixed via glue-points to guarantee rattle- and break-free operation
- Butyl rubber surround for controlled cone motion and low distortion
- Natural fiber cone for authentic and brilliant sound reproduction
- Innovative dust cap formed of reinforced natural fiber for optimal frequency response
- Machined aluminum phase plug for phase correction around the crossover frequencies and additional cooling for magnet motor
- High temperature 37 mm voice coil former of black kapton for minimal current loss and maximum excursion
- Duroplastic backed and vented voice coil with temperature-resistant glue
- Vented spider to avoid compression
- Vented magnet system for better magnet motor cooling and vented dust cap to prevent thermal on
- Optimized ferror-ceramics magnet for high sensitivity with additional cooling via aluminum backplate
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