Infinity 4.1t manual

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Table of contents for the manual

  • Page 1

    16 THE AUDIO CRITIC Floor-Standing 4-Way Speaker with P owered Subwoofer Infinity “Intermezzo” 4.1t Infinity Systems, Inc., a Harman Interna- tional Company , 250 Crossways Park Drive, W oodbury , NY 11797. V oice: (800) 553-3332. Fax: (516) 682-3523. W eb: www .infinitysystems.com. Intermezzo 4.1t floor -standing 4-way loudspeaker system with [...]

  • Page 2

    ISSUE NO. 28 • SUMMER/F ALL 2002 17 describe the subject of this issue ’ s loud- speaker review , the Infinity “Inter- mezzo ” 4.1t, by appropriately tying together function and music. The 4.1t is simultaneously an intermediate speaker in I nfinity ’ s home theater lines, positioned between the higher-priced P relude MTS and the lo wer-pr[...]

  • Page 3

    18 THE AUDIO CRITIC mode tracking po wer supply po wering a class-AB amplifier . The power supply ’ s output voltage tracks the audio signal in such a way as to mini - miz e output device power dissipation. Quoting the 4.1t’ s owners manual: “The result is an extremely efficient audio amplifier that does not compro- mise audio performance.”[...]

  • Page 4

    ISSUE NO. 28 • SUMMER/F ALL 2002 19 The I ntermezzo 4.1t ’ s horizontal and vertical off-axis frequency re- sponses ar e shown in F igs. 2 through 4, r espectively . The horizontal off-axis cur ves with 15° increments in F ig. 2 are well-behaved but exhibit r olloff above 12 kHz at angles of 30° and be- yond. The system ’ s vertical off-axi[...]

  • Page 5

    20 THE AUDIO CRITIC woofers using 12" to 15" diameter dri - vers indicate a ratio of about 28 dB be- tw een the nearfield sound pressure and that measur ed in the farfield (usually 2 m gr ound-plane measurements, which correspond to 1 m free-field measur e- ments); i.e., the nearfield pressure is 28 dB louder than the farfield pressure. F[...]

  • Page 6

    ISSUE NO. 28 • SUMMER/F ALL 2002 21 Use and Listening T ests Although each Infinity Intermezz o 4.1t is quite heavy at 93 lbs., they were r elatively easy to unpack and move ar ound. Without spikes at- tached, they could be walked ar ound on my listening room ’ s carpet without much difficulty for positioning. O nce set up , the 4.1t ’ s pr e[...]

  • Page 7

    22 THE AUDIO CRITIC fr equency , level, and width, are on the front of each system, accessible with a supplied screwdriver through small holes. N ow to the inter esting part: how did they sound? In a wor d, excellent! Interestingly , their sound was ex- tremely close to my refer ence system ’ s on almost everything I listened to. I often had a ha[...]