McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York C22 Stereophonic Preamplifier Owner’s Manual 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.
The lightning flash with arrowhead, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. WARNING - TO REDUCE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. IMPORTANT SAFETY INSTRUCTIONS! PLEASE READ THEM BEFORE OPERATING THIS EQUIPMENT. 1. Read these instructions. 2. Keep these instructions. 3.
Thank You Customer Service General Information Your decision to own this McIntosh C22 Stereophonic Preamplifier ranks you at the very top among discriminating music listeners. You now have “The Best.” The McIntosh dedication to “Quality,” is assurance that you will receive many years of musical enjoyment from this unit. Please take a short time to read the information in this manual. We want you to be as familiar as possible with all the features and functions of your new McIntosh.
General Information, Cable Information, Introduction and Performance Features Connector and Cable Information XLR Connectors Below is the Pin configuration for the XLR Balanced Input and Output Connectors on the C22. Refer to the diagrams for connections: PIN 1: Shield/Ground PIN 2: + Signal PIN 3: - Signal PIN 1 PIN 2 PIN 2 PIN 1 PIN 3 PIN 3 Power Control Connectors The C22 Power Control Output Jacks send Power On/ Off Signals when connected to McIntosh Components.
Dimensions Dimensions The following dimensions can assist in determining the best location for your C22. Front View of the C22 17-1/2" 44.5cm 5-3/8" 13.7cm 6" 15.2cm Side View of the C22 15-7/8" 40.32cm 5/8" 1.6cm 14-1/2" 36.83cm 3/16" 0.5cm Rear View of the C22 17" 4-13/16" 12.2cm 13/16" 2.1cm 43.2cm 2" 4-5/8" 5.1cm 10-1/2" 26.7cm 1-15/16" 4.9cm 11.7cm 13-1/4" 33.
Installation Installation The C22 can be placed upright on a table or shelf, standing on its four feet. It also can be custom installed in a piece of furniture or cabinet of your choice. The four feet may be removed from the bottom of the C22 when it is custom installed as outlined below. The four feet together with the mounting screws should be retained for possible future use if the C22 is removed from the custom installation and used free standing.
Rear Panel Connections OUTPUTS 1 (Balanced) send signals to a Power Amplifier and is controlled by the C22 Front Panel OUT 1 Switch Connect the C22 power cord to a live AC outlet.
How to Connect the C22 How to Connect the C22 The C22 has the ability to automatically switch power On/Off to McIntosh Source Components via the Power Control connections. The Data Port Connections allow for the remote operation of basic functions using the C22 Remote Control. The connection instructions below, together with the C22 Input and Output Connection Diagrams located on the separate folded sheet “Mc1A/1B”, are an example of a typical audio system.
How to use the Remote Control How to use the Remote Control The supplied Remote Control is capable of directly controlling the functions of contemporary McIntosh Source Components connected to the C22 Tube Preamplifier. Press to Power the C22 ON Power To Switch the C22 On or Off press the appropriate Power Push-button on the Remote Control.
Front Panel Displays, Controls, Switches and Jack BALANCE Control allows the adjustment of the relative volume balance between channels INPUT SELECTOR Control selects the desired audio signals for listening and recording TREBLE Control provides 10dB boost or cut with a center flat position BASS Control provides 10dB boost or cut with a center flat position 10 VOLUME Control adjusts the listening level for both channels Indicates when the C22 is connected to an active AC Outlet TONE BYPASS when activa
How to Operate How to Operate Power On The Red LED located above the word “STEREOPHONIC” nomenclature on the Front Panel lights to indicate the C22 is connected to an active AC Outlet. To Switch On the C22, momentarily press downward the POWER Rocker Switch on the Front Panel or the appropriate Power Push-button on the Remote Control. During the Tube Warm Up time (when first switched ON), the Front Panel INPUT and MODE SELECTOR LEDs will flash and the Audio Outputs will be muted.
How to Operate, con’t How to Operate, con’t Phono Cartridges, Moving Coil (MC) and Moving Magnet (MM). The resistive load for the MC Input is selectable from 10 ohms to 1,000 ohms. The capacitive load for the MM Input is selectable from 50 picofarads to 350 picofarads. Select the Phono Load setting using the Front Panel MC or MM Control for the cartridge type connected to the C22. Choose the value closest to the recommended load value specified by the Phono Cartridge Manufacturer.
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Specifications Specifications Frequency Response +0, -0.5dB from 20Hz to 20,000Hz +0, -1dB from 10Hz to 100,000Hz Total Harmonic Distortion 0.08% from 20Hz to 20,000Hz Rated Output (Output 1 and 2) 2.5V Unbalanced, 5V Balanced Maximum Voltage Output 8V RMS Unbalanced, 16V RMS Balanced Sensitivity (for rated output) High Level, 450mV unbalanced, 900mV balanced Phono MM, 4.5mV Phono MC, 0.
Packing Instructions Packing Instructions In the event it is necessary to repack the equipment for shipment, the equipment must be packed exactly as shown below. It is very important that the four plastic feet are attached to the bottom of the equipment. This will ensure the proper equipment location on the bottom pad. Failure to do this will result in shipping damage. Use the original shipping carton and interior parts only if they are all in good serviceable condition.
McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, NY 13903 www.mcintoshlabs.com 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.