Related Manuals for McIntosh C48
Summary of Contents for McIntosh C48
- Page 1 McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com Audio Preamplifier Owner’s Manual...
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Page 2: Safety Instructions
The lightning flash with arrowhead, within an equilateral The exclamation point within an equilateral triangle is triangle, is intended to alert the user to the presence of intended to alert the user to the presence of important uninsulated “dangerous voltage” within the product’s en- operating and maintenance (servicing) instructions in the closure that may be of sufficient magnitude to constitute literature accompanying the appliance. -
Page 3: Table Of Contents
Thank You Customer Service Front Panel: Your decision to own this McIntosh C48 Audio Pre- If it is determined that your McIntosh product is in amplifier ranks you at the very top among discrimi- need of repair, you can return it to your Dealer. You Front Panel Displays, Controls, Push-buttons and Jack .............. -
Page 4: General Information
McIntosh Products please visit the McIntosh Web to the C48 Audio Preamplifier. Site at www.mcintoshlabs.com. to Source Components. A 1/8 2. The Main AC Power going to the C48 and any inch stereo mini phone plug is Data Connector and Cable Information... -
Page 5: Introduction
All Circuitry provides an ideal rate of change with control Fully regulated Power Supplies and a special R-Core eight Inputs on the C48 can be matched in level, so rotation. Power Transformer ensure stable noise free operation there are no abrupt changes in volume levels between even though the power line varies. -
Page 6: Dimensions
Dimensions Dimensions The following dimensions can assist in determining the best location for your C48. There is additional information on the next page pertaining to installing the C48 into cabinets. Front View of the C48 " 44.45cm " 6" 13.69cm 15.24cm... -
Page 7: Installation
Installation Installation " 3/16 The C48 can be placed upright on a table or shelf, 43.66cm standing on its four feet. It also can be custom in- stalled in a piece of furniture or cabinet of your C48 Front Panel choice. -
Page 8: Connections
Rear Panel Connections Rear Panel Connections The identification of Rear Panel Connections for the C48 Audio Preamplifier is located on a separate folded sheet contained in the Owner’s Manual Packet. Refer to separate sheet “Mc2B” for the Rear Panel Connections. -
Page 9: Connecting Components
Remote Control. With an external sensor connected POWER CONTROL OUTPUT 2 Jack to the Balanced (Left and Right) Inputs. to the C48, remote control operation of the system is Power Amplifier (Secondary Room) Power Control 19. Optionally Connect an Audio Cable from the C48 possible from another room and/or when the C48 is In Jack. -
Page 10: Remote Control Push-Buttons
Output 1 or 2 Scrolls through the available C48 Inputs Scrolls through the Selects one of the eight available C48 Inputs available Audio Sources Note: Push-buttons whose function is not identified above are for use with other McIntosh Products. -
Page 11: How To Use The Remote Control
Press and release the Channel Up p Ports. or Down q Push-button to seek the next available Note: If at any time the C48 seems unresponsive to station. Press and hold a Channel Up p or Down q HR072 Remote Control Commands press the Push-button to seek continuously from station to sta- Push-button first. -
Page 12: Front Panel Displays, Controls, Push-Buttons And Jack
Connection for low STANDBY/ON impedance dynamic Push-button with headphones, for indicator, switches private listening the C48 ON or OFF (Standby) and resets the microprocessors TRIM Push-button MONO with indicator, MUTE Push-button with indicator, allows combines the Left and... -
Page 13: Setup
Firmware. The Version of the enjoyment of superb audio without the need for fur- Firmware in the C48 can be identified at any time by SETUP: SOURCE INPUT ther adjustments. If you wish to make changes to the utilizing the Setup Mode. -
Page 14: Input Level Adjustment
Setup Mode is active. Then press “SRVR : DIGITAL 1” appears on the Front Panel levels resulting in the need to readjust the C48 Volume the OUTPUT 2 / MENU ► Push-button to select Information Display. Refer to figure 8. Record Control when switching between different sources. -
Page 15: Display Brightness
Display Brightness Passthru 4. Rotate the INPUT Control until “LEVEL: SRVR The C48 can be part of a Multichannel Sound System The Front Panel Information Display Brightness may _._” appears on the Front Panel Information for SACD, DVD-Audio and Home Theater. The Right be changed from the default setting. -
Page 16: Power Control Triggers 1 And 2
2 Outputs function the same as the MAIN Power Refer to figure 14. tion: SOURCE” appears. Refer to figure 17. Control Jack, switching On/Off with the C48. Trigger SETUP: TRIG1 OUTPUT SETUP: PASSTHRU 1 and 2 are also reassignable to activate when the ACC... -
Page 17: Comm Port Baud Rate
NORMal McIntosh Control Codes. The Second Set of seconds. equipment connected to the Rear Panel RS232C con- Control Codes the C48 will respond to is referred to as D. The “Mc” Push-button flashes twice. nector. The speed at which the C48 communicates Note: To reset the Remote Control to normal the ALTernate Codes. -
Page 18: How To Operate The C48
Refer to positions relative to the Loud- VOLUME Upp or Downq Push-buttons on the Re- figures 50, 51, 52 and 53. To switch OFF the C48 press speakers. Use the Balance mote Control for the desired listening level. Refer to... - Page 19 How to Operate the C48 Control to adjust the Trim Level to -2.5dB. Refer EQUALIZER MODE BALANCE: 50 dB to figure 58. The built-in five band Frequency Equalizer provides ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ more precise adjustment of sound than Bass and TRIM LEVEL: -2.5dB...
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Page 20: Equalizer Bypass
Volume Level. Input Source. The LED above the MONO Push- JUST Control to vary or make button will illuminate. Refer to figure 50. The C48 changes. Refer to figure 50. DIGITAL AUDIO DISPLAY remembers for each selected Input whether the Mode The Remote Control TRIM is Stereo or Mono. - Page 21 CONTROL OUTPUT 1 /OUTPUT 2 Jacks on the rear Press the MUTE Push-button, on the C48 Front Panel panel of the C48. To stop the Audio and Power Control or on the Remote Control, to Mute the Audio in all...
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Page 22: Equalizer Controls
KETTLE DRUMS PASSTHRU LARGE HARP Figure 69 GUITAR The C48 OUTPUT 1 / OUTPUT 2 Front Panel Push- VIOLIN buttons are active when in the Passthru Mode. The STRINGS VIOLA other of the Front Panel Controls and Push-buttons are CELLO... -
Page 23: Usb Input Operation With A Computer
2. To switch the C48 back on press the cycles On is connected to the rear panel USB D/A connector. The STANDBY/ON Push-button Note: This can be performed with the C48 On or in the C48 USB Input is compatible with both PC Computers Standby Mode. -
Page 25: Photos
Photos... -
Page 26: Specifications
Maximum Voltage Output Phono MC, 5mV Standby Power, less than 0.5 watts 8V RMS Unbalanced, 16V RMS Balanced Note: Refer to the rear panel of the C48 for the correct voltage. Voltage Gain Sensitivity (for rated output) High Level to Record Output: 0dB... -
Page 27: Packing Instruction
017937 Plastic foot needed, please call or write Customer Service Depart- 400159 #10-32 x 3/4” screw ment of McIntosh Laboratory. Refer to page 4. Please 404080 #10 Flat washer see the Part List for the correct part numbers. FOAM PLUG... - Page 28 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. 04122800...
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