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Infinity IRS Reference Standard

High Fidelity Loudspeaker System

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Infinity IRS Reference Standard


  • Type: 3 way, 10 driver loudspeaker system

    Frequency Response: 24Hz to 32kHz

    Recommended Amplifier: 100W (minimum)

    Crossover Frequency: 150, 5000Hz

    Impedance: 4Ω

    Bass: 2 x 300mm polypropylene

    Midrange: 4 x EMIM

    Tweeter: 4 x EMIT

    Grille: cloth

    Finish: solid oak and veneers

    Dimensions: 1606 x 662.5 x 362.5mm

    Weight: 53kg

    Price: USD $4500 (1978)

    Year: 1978

  • Type: 3 way, 54 driver loudspeaker system

    Frequency Response: 15Hz to 45kHz

    Recommended Amplifier: 100 to 500W

    Crossover Frequency: 70, 4500Hz

    Impedance: 4Ω

    Bass: 6 x 12" IMG

    Midrange: 12 x EMIM

    Tweeter: 36 x EMIT

    Finish: rosewood, black

    Weight: 681kg

    Price: USD $60,000 (1996)

    Year: 1987


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