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Founded in 1968 by Arnie Nudell, John Ulrick and Cary Christie, Infinity has produced home and mobile/car audio products by innovating materials such as neodymium magnets and polypropylene cone and surround materials. In the mid-1970s, the firm used Walsh omni-directional tweeters, but went to EMITs (Electromagnetic Induction Tweeters) after it lost its license. Designer Nudell was responsible for loudspeakers that incorporated the EMIT/EMIM (midrange) ribbon drivers. These were flat (planar) quasi-ribbons that worked to move air based on the principal of electromagnetic repulsion. Variants were made, such as the EMIT-R or radial tweeter, and the SEMIT or super emit. The first high-end Infinity speakers were the Servo-static (using a servo to control the woofer movement) and the Quantum. The massive Infinity-IRS (Infinity Reference System) was considered the first ultra-high end system, at US$65,000 in the 1980s. It consisted of 76 EMIT tweeters, 36 EMIM midrange drivers, and twelve 12-inch polypropylene woofers in four towers. The Reference, and later Kappa series, were discontinued when Nudell sold Infinity to Harman Kardon and left to form Genesis Technologies, a high-end loudspeaker company

Infinity Lautsprecher:

• Diverse Infinity Modele
• Infinity Efficiency Series
• Infinity Reference Standard IRS Series
• Infinity Reference Standard Kappa
• Infinity Reference Standard Kappa X.1 X.2
• Infinity Reference Standard Quantum
• Infinity Reference 1981-1886
• Infinity Reference 1993
• Infinity Renaissance 1993
• Infinity Studio Monitor
• Infinity Reference 1978

Diverse Infinity Modele :