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The Vero HCA•29 Headphone Amplifier is the world’s first high current, battery powered Class A/B headphone amp housed with MIT’s Multipole™ Technology. It features twenty-nine poles of articulation.
Until now, MIT’s Multipole Technology has only been housed within the little “boxes” found on all of MIT Cables’ award-winning products. For the first time ever, MIT is integrating this technology inside an amplifier.
Bruce Brisson, founder and president of MIT Cables is fully engaged in the research and development of new products to fit into a more modern audio listeners lifestyle. The Vero HCA•29 Headphone Amp is MIT Cable’s latest breakthrough product with MIT’s Multipole Technology inside. Designed in collaboration with Aaron Reiff, former Chief Engineer at Lucasfilm’s Skywalker Sound and former audio engineer at Capitol Studios in the iconic Hollywood Capitol Records building.
Vero HCA 29 and HCA 50ex Headphone Amplifier (PDF)
MIT Cables founder Bruce Brisson began purposefully designing audio cables in the 1970’s after encountering the sonic problems inherent in cables typical of the day. He later founded Music Interface Technologies in 1984 after patenting and licensing his early designs to other manufacturers, producing some of the audio industry’s most ground-breaking and seminal products.
MIT Cables core audio cable technology is our exclusive Poles of Articulation, named after the fact that every audio cable has a single point where it is most efficient at storing and transporting energy. At this point in the audio frequency spectrum, the cable will articulate best, and represents the cables’ particular Articulation Pole.
Graph A: Represents the bandwidth of the audible range of the human ear. We will use this graph to describe how well a cable articulates across the audible bandwidth. The 50% line serves as our baseline for articulation response.
(as referenced in The Impedance Domain)*
A properly built AC filter will not only attenuate unwanted noise on the AC power line, but it will also optimize the power factor.
The best way to attenuate unwanted noise is to create a very low impedance (a zero of impedance across the load which acts as an attenuation pole to the noise) surrounding the frequency (or frequencies) of the undesirable noise. In the case of audio, that would be at any frequency other than the power line frequency. This is best accomplished by placing a tuned circuit in parallel, around the load. MIT was awarded this patent in November 9, 1993: number 5,260,862.
Also important is the Power Factor which is a (dimensionless) number between 0 and 1. When power factor is equal to 0, the energy flow is entirely reactive, and stored energy in the load returns to the source on each cycle. When the power factor is 1, all the energy supplied by the source is consumed by the load and nothing is reflected back to the source. MIT was awarded a patent on this technology regarding audio in July 13, 1993: number 5,227,962.