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McIntosh XRT28 manual

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Table of contents for the manual

  • Page 1

    XRT28 Owner ’s Manual McIntosh Laboratory , Inc. 2 Chambers Street Binghamton, New Y ork 13903-2699 Phone: 607-723-3512 F AX: 607-724-0549 Loudspeaker System[...]

  • Page 2

    2 IMPOR T ANT SAFETY INSTRUCTIONS! PLEASE READ THEM BEFORE OPERA TING THIS EQUIPMENT . W ARNING - TO REDUCE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. NO USER-SERVICEABLE P ARTS INSIDE. REFER SERVICING T O QUALIFIED PERSONNEL. 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. F[...]

  • Page 3

    3 Customer Service T echnical Assist ance Please T ake A Moment Thank Y ou Copyright 2003 © by McIntosh Laboratory , Inc. The serial number , purchase date and McIntosh Dealer name are important to you for possible insurance claim or future service. The spaces below have been provided for you to record that information: Y our decision to own this [...]

  • Page 4

    4 McIntosh Acoustic Engineers have refined the line source Column Loudspeaker System concept to provide superior sound reproduction in a full range system. The Loudspeaker System utilizes a patented Column Design 1 with multiple four inch Midrange LD/HP 2 Mag- netic Circuit Design Driv- ers and one inch soft dome T weet- ers. Refer to figure 1. Sin[...]

  • Page 5

    5 Introduction and Performance Features Performance Features • Patented LD/HP T echnology The McIntosh Low Frequency and Midrange Loudspeaker Elements feature the patented LD/HP Magnetic Circuit Design. This design, when compared to conventional Loudspeaker Elements, reduces distortion significantly . It also increases power handling and efficien[...]

  • Page 6

    6 The following dimensions can assist in determining the best location for your XR T28 Loudspeaker System. XRT28 Dimensions 77- 1/8 " 195.90cm 16 -3/8 " 41.59cm 28" 71.12cm Front V iew of the XR T28 Loudspeaker System Rear V iew of the XR T28 Loudspeaker System 3 -15/16 " 10.00cm 4 -1/2 " 1 1.43cm Side V iew of the XR T28 L[...]

  • Page 7

    7 Dimensions 9" 22.86cm Front View of the XR T28 Loudspeaker System End V iew and Base of the XR T28 Loudspeaker System 11 - 15/16 " 30.32cm 23 -7/8 " 60.64cm 3 -3/8 " 8.57cm 6 -1/2 " 16.51cm 9 -5/8 " 24.45cm 13 -1/16 " 33.18cm 9 -3/16 " 23.34cm 7" 17.78cm 7/8 " 2.22cm 1 -3/8 " 3.49cm 2 -1/8 &q[...]

  • Page 8

    8 Introduction to Inst allation The XR T28 Loudspeaker System weight is 139.5 pounds (63.4kg) net. It requires two or more persons to safely handle during the assembly and placement. The XR T28 is supplied with a McIntosh Column Base. Follow the in- structions below for unpacking the Loudspeaker System and attaching the Column Base. It is recommend[...]

  • Page 9

    9 Inst allation Loudspeaker placement in a room can greatly affect performance. The XR T28 Loudspeaker is designed for both Music and Home Theater Systems. The optimal method for selecting speaker locations includes the use of a real time spectrum analyzer operated by an experienced system installer . An uncompromising installation would take into [...]

  • Page 10

    10 How to Prepare Hookup Cables The McIntosh XR T28 Loudspeaker System utilizes bind- ing posts for speaker wire connections. Prepare the Loud- speaker Hookup Cables that attach to the Power Amplifier Output T erminals: Bare wire cable ends: Carefully remove sufficient insulation from the cable ends, refer to figures 19, 20 & 21. If the cable i[...]

  • Page 11

    11 How to Connect using a single Amplifier[...]

  • Page 12

    12 McIntosh Single Channel Amplifier Number One How to Prepare Hookup Cables How to Connect using two Amplifiers 1. Remove jumpers between the MID and LOW COMmon (-) Binding Posts and the MID and LOW 4 S (+) Binding Posts. The removed jumpers should be re- tained for possible future use. Note: For Midrange and High Fr equency operation, jumpers mus[...]

  • Page 13

    13 How to Connect using two Amplifiers[...]

  • Page 14

    14 McIntosh Single Channel Amplifier Number One How to Prepare Hookup Cables How to Connect using three Amplifiers McIntosh Single Channel Amplifier Number T wo McIntosh Single Channel Amplifier Number Three The McIntosh XR T28 Loudspeaker System utilizes bind- ing posts for speaker wire connections. Prepare the Loud- speaker Hookup Cables that att[...]

  • Page 15

    15 How to Connect using three Amplifiers[...]

  • Page 16

    16[...]

  • Page 17

    17 Notes[...]

  • Page 18

    18 Specifications Specifications System Driver Complement T wo 10 inch LD/HP 2 W oofers with magnetic shielding T wenty 4 inch LD/HP 2 Midranges with magnetic shielding Sixteen 1 inch Soft Dome T weeters with magnetic shielding Impedance 4 ohms Nominal Frequency Response 16Hz - 20kHz Sensitivity 88dB (2.8V/1m) Crossover Frequencies 300Hz 2,000Hz Po[...]

  • Page 19

    19 Packing Instructions In the event it is necessary to repack the equipment for shipment, the equipment must be packed exactly as re- ceived. Failure to do so will result in shipping damage. Use the original shipping carton and interior parts only if they are in good serviceable condition. If a shipping car- ton or any of the interior part(s) are [...]

  • Page 20

    McIntosh Laboratory , Inc. 2 Chambers Street Binghamton, NY 13903 The continuous improvement of its products is the policy of McIntosh Laboratory Incorporated who reserve the right to improve design without notice. Printed in the U.S.A. McIntosh Part No. 04086401[...]