ESB 9.1T-28

Main Features - TCA System for back air flow control which reduces turbulence, noise, and controls the damping of the dome. - Pole cup CNC machined from a solid piece of ultra-low-carbon steel. - Main magnet made from N52H neodymium, best both for the magnetic force in relation to the mass, and for high temperatures support (120° F vs. 80° F of a standard neodymium magnet). - Magnet plate made of ultra-low-carbon steel. - Secondary or superior magnet used to stabilize and regulate the magnetic flux and concentrate it only in front of the voice coil, increasing efficiency, manageable power, distortion and bandwidth. - Pure copper ring helps reduce the inductance of the voice coil so that it offers minimal resistance during high frequency reproduction. This means better high-frequency response, enabling the speaker to reproduce high-frequency sounds more accurately. Reduced inductance contributes to better handling of rapid transitions of audio signals. This improves the speaker's ability to more accurately reproduce transient sound pulses. - FCA System: a special structure to control the flow of air moved by the dome. This creates a periodic damping resistance and dictates that the release of the energy accumulated in the movement of the dome occurs in a controlled and fast manner, without creating persistent oscillations. This contributes to a more precise and faithful response to the audio source and accuracy, and the overall quality of the audio experience. - Super light aluminum voice coil uses a high-strength aluminum alloy to reduce its thickness and its weight. The winding is also aluminum with a pure copper “skin”. This results in a perfect combination of resistance and weight of the wire. - Pure Japanese silk dome resin impregnated with integrated suspension. This catenary profile dome is made in a single piece that also includes the suspension. This greatly reduces the weight, allowing the tweeter to reproduce very high frequencies. The absence of joints prevents break-up and/or vibrations. - Felt ring to eliminate any deleterious vibration. - Light stainless steel grill for dome protection. - The faceplate isn’t just cosmetic, but acts as an acoustic lens. Its shape dramatically reduces side refractions an unwanted occurrence in a car installations where windows create harmful refractions. - Super flexible cables with high silver content to reduce electrical connection losses. - Aluminum threaded fixing ring. - Finishing stainless steel ring (optional).