Audio Control Center
C45
Owner’s Manual
McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 FAX: 607-724-0549
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.
The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.
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.Heed all warnings.
4.Follow all instructions.
5.Do not use this apparatus near water.
6.Clean only with a dry cloth.
7.Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
8.Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
9.Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
10.Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.
To prevent the risk of electric shock, do not remove cover or back. No user serviceable parts inside.
11.Only use attachments/accessories specified by the manufacturer.
12.Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or
sold with the apparatus. When a cart
is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
13.Unplug this apparatus during lightning storms or when unused for long periods of time.
14.Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
15.Do not expose this equipment to dripping or splashing and ensure that no objects filled with liquids, such as vases, are placed on the equipment.
16.To completely disconnect this equipment from the a.c. mains, disconnect the power supply cord plug from the a.c. receptacle.
17.The mains plug of the power supply cord shall remain readily operable.
2
Thank You
Your decision to own this McIntosh C45 Audio Control Center 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.
Please Take A Moment
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:
Serial Number:
Purchase Date:
Dealer Name:
Technical Assistance
If at any time you have questions about your McIntosh product, contact your McIntosh Dealer who is familiar with your McIntosh equipment and any other brands that may be part of your system. If you or your Dealer wish additional help concerning a suspected problem, you can receive technical assistance for all McIntosh products at:
McIntosh Laboratory, Inc.
2 Chambers Street
Binghamton, New York 13903
Phone: 607-723-1545
Fax: 607-723-3636
Customer Service
If it is determined that your McIntosh product is in need of repair, you can return it to your Dealer. You can also return it to the McIntosh Laboratory Service Department. For assistance on factory repair return procedure, contact the McIntosh Service Department at:
McIntosh Laboratory, Inc.
2 Chambers Street
Binghamton, New York 13903
Phone: 607-723-3515
Fax: 607-723-1917
Copyright 2003 ♥ by McIntosh Laboratory, Inc.
Table of Contents |
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Safety Instructions ............................................................ |
2 |
Thank You and Please Take a Moment ............................. |
3 |
Technical Assistance and Customer Service ..................... |
3 |
Table of Contents .............................................................. |
3 |
Important Information ....................................................... |
4 |
Connector Information ...................................................... |
4 |
Introduction ....................................................................... |
5 |
Performance Features ....................................................... |
5 |
Dimensions ........................................................................ |
6 |
Installation ........................................................................ |
7 |
Connections |
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Rear Panel Connections ..................................................... |
8 |
How to Connect for Power Control ................................... |
9 |
How to Connect for Data Control and Remote Operation 10 |
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How to Connect for Two Channel Operation ................... |
11 |
How to Connect for Six Channel Operation .................... |
12 |
Front Panel Features |
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Front Panel Controls, Displays, Push-buttons, |
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and Switch ....................................................................... |
14 |
Setup |
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How to Operate the Setup Mode ...................................... |
15 |
Default Settings................................................................ |
15 |
Display Brightness and Firmware Version ....................... |
16 |
Country Code and Tune ................................................... |
16 |
Re-Title Inputs and Level Adjustments ............................ |
17 |
6 Channel 1 and 2 Inputs ................................................. |
18 |
Balanced Input ................................................................. |
18 |
2 Channel Sub .................................................................. |
19 |
Power Control Triggers .................................................... |
19 |
Auto Tone......................................................................... |
19 |
Remote Control Selection ................................................ |
20 |
Operation |
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How to Operate the C45 .................................................. |
21 |
Remote Control Push-buttons .......................................... |
24 |
How to Operate by Remote Control ................................. |
25 |
Additional Information |
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Preamplifier Specifications .............................................. |
26 |
TM1 AM/FM Tuner Module |
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Introduction ...................................................................... |
27 |
Performance Features ...................................................... |
27 |
C45 Rear Panel and RAA1 Top Panel |
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and Antenna Connections ............................................... |
28 |
How to Connect Antenna Components............................. |
29 |
Tuner Operation |
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How to Operate the Tuner ................................................ |
30 |
How to Optimize AM Reception ...................................... |
32 |
Additional Information |
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Tuner Specifications ........................................................ |
34 |
Packing Instructions ......................................................... |
35 |
3
Important Information
1.It is recommended that a qualified professional assist you in the choice and installation of a McIntosh Audio System for your home.
2.Before making any connections to the C45, make sure that the Main POWER Switch is in the Off position. When the C45 and other McIntosh Components are in their Standby Mode the Microprocessor’s Circuitry inside each component is active and communication is occurring between them. Failure to do so could result in malfunctioning of some or all of the system’s normal operations.
3.The optional McIntosh TM1 AM/FM Tuner Module can be added to the C45 Audio Control Center. The TM1 is available from your McIntosh Dealer and can be installed at any time, usually while you wait. Refer to page 27 for additional information on the TM1.
4.The following Connecting Cable is available from the McIntosh Parts Department:
Data and Power Control Cable Part No. 170-202
Six foot, 2 conductor shielded, with two 1/8 inch stereo mini phone plugs.
5.For additional connection information, refer to the owner’s manual(s) for any component(s) connected to the C45.
6.Up to four McIntosh Sensors or Keypads can be wired in parallel for remote operation.
7.When a McIntosh WK-2 Keypad or a R649 Sensor is to be connected to the McIntosh C45 Audio Control Center that uses a RJ-45 Connector Plug instead of the “F” Coax Connector, connect the Center Conductor to Pin 1 and the Shield Conductor to Pin 2. Refer to the illustration below.
Shielded Cable Data Signal |
Pin 1 |
Pin 8 |
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“F” Connector |
Data Ground |
RJ-45 |
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(to Pin 2) |
Plug |
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8.The Power Control Signal present at the ACC(B) Jack is controllable by either using the ACC ON or ACC OFF Push-buttons on the Remote Control or by assignment when in the Setup Mode. For additional information refer to page 19 “Power Control Triggers” in this manual.
9.Balanced and Unbalanced Inputs and Outputs can be mixed. For example, you may connect signal sources to Unbalanced Inputs and send signals from the Balanced Outputs. You can also use Balanced and Unbalanced Outputs simultaneously, connected to different Power Amplifiers.
10. Sound Intensity is measured in units called Decibels and “dB” is the abbreviation.
Connector Information
XLR Connectors
Below is the Pin configuration for the XLR Balanced Input and Output Connectors on the C45. Refer to the diagram for connection:
PIN 1: Shield/Ground
PIN 2: + Signal PIN 3: - Signal
Power Control and Trigger Connectors
The C45’s Power Control Outputs provide a 5 volt signal. Use a 1/8 inch stereo mini phone plug to
connect to the Power Control Input on |
Positive |
other McIntosh Components. |
N/C |
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Ground |
Data and IR Port Connectors
The C45’s Data Port Output provides Remote Control Signals and the IR Input
Port allows for the connection of other brands IR Sensors. Use a 1/8 inch stereo mini phone plug to connect to the Data Port Inputs on McIntosh Source Units.
Keypad Terminal Connector
To use a WK-3 or WK-4 Keypad with the C45, connect the shield and four leads of a shielded 4 conductor cable to a RJ-45 Connector Plug, according to the numbers listed below. There is a numbered connector built-in to each Keypad, which has a different pin out.
C45 RJ-45 |
WK-3 and WK-4 Keypad |
1. Signal Data |
1. Supply Voltage Positive |
2. Signal Data Gnd. |
2. Supply Voltage Negative |
and Cable Shield |
3. Cable Shield |
3. N/C |
4. Signal Data |
4. Supply Voltage Negative |
5. Signal Data Gnd |
5.Supply Voltage Positive
6.N/C 
C45
7. N/C |
Keypad |
8. N/C |
Socket |
RAA1 Connector
Connect the shield and two leads of a shielded 2 conductor cable to the supplied 5 Pin Termi-
nal Connector Plug. Refer to the Red (TV) Green (GND) connection information on the top
cover of the RAA1.
4
Introduction and Performance Features
Introduction
The new McIntosh C45 Audio Control Center offers a highly refined combination of useful operating features with totally transparent electronic performance. At any time expand the enjoyment and functionality of the Audio Control Center with the addition of the optional TM1 AM/FM Tuner Module installed inside the C45. Combine a C45 with a McIntosh Power Amplifier and you will enjoy a system of unparalleled performance.
Performance Features
• Balanced Inputs and Outputs
One pair of Balanced high level Inputs and a six channel Balanced Output are provided.
•Precision Tracking Variable Rate Volume Control
Volume levels are controlled by a new Multi-Stage Precision Digitally Controlled Attenuator System with a tracking accuracy of 0.1dB. Levels change in 214 individual 0.5dB steps. The Variable Rate Volume Control Circuitry provides an ideal rate of change with control rotation.
•Tone Control with Assignable Bypass
The Bass and Treble Control Circuit Elements can be removed from the Signal Path of any selected input.
• Alphanumeric Fluorescent Display
The Multifunction Front Panel Display indicates the Source Selection and Volume Levels. The Setup Mode Selections and Adjustments are also displayed. The display intensity is fully adjustable.
• Electromagnetic Input Switching with Level Trim
Adjustment and Title Reassignment
Digital Logic integrated circuits drive Electromagnetic Switches on all Inputs and operating functions for reliable, noiseless, distortion free switching. All eight Inputs on the C45 can be matched in level, so that there are no abrupt changes in volume levels between the different Inputs. Any of the eight Inputs can have their Input Title reassigned to match the sources in the system.
• Power Control Output and TriggerAssignment
A Power Control connection for convenient Turn-On of McIntosh Power Amplifiers, Source Components and Accessories is included. Two of the Power Control Outputs may be assigned to activate when a given Input is selected.
• Multichannel Inputs
There are two six channel Inputs that are assignable for sources such as DVD-Audio Player, Super Audio CD Player and Satellite Receivers.
• Precision Parts
Only the finest precision 1% tolerance resistors are used throughout.
• Low Distortion
Distortion levels of all types are less than 0.002%. Music is amplified with total transparency and accuracy.
• Moving Magnet Phono Input
There is a Precision Phono Preamplifier for Moving Magnet
Cartridges.
• Remote Control
The C45 includes a Remote Control that allows remote operation of the Front Panel Controls and Push-buttons.
• Optional External Keypad Sensor Input
There are provisions for connecting External Keypad and/or Sensors, which allows for enjoyment of your McIntosh System from other room(s) in your home.
• Subwoofer Output
The C45 Audio Control Center provides a subwoofer output from the two channel and six channel inputs.
• Special Power Supply
Fully regulated Power Supply with shielded power transformer ensures stable noise free operation even if the power line should vary.
•Fiber Optic Solid State Front Panel Illumination
The Illumination of the Front Panel is accomplished by the combination of custom designed Fiber Optic Light Diffusers and Light Emitting Diodes (LEDs). This provides even Front Panel Illumination, together with the extra long life LEDs.
•Glass Front Panel
The famous McIntosh Illuminated Glass Front Panel ensures the pristine beauty of the C45 will be retained for many years.
5
Dimensions
Dimensions
The following dimensions can assist in determining the best location for your C45. There is additional information on the next page pertaining to installing the C45 into cabinets.
Front View of the C45
Rear View of the C45
5/8" 1.59cm
Side View of the C45
13/16" 2.06cm
17-1/2"
44.45cm
17"
43.18cm
13-1/4"
33.65cm
15-7/8"
40.32cm
14-1/2" 36.83cm
11-1/2" 29.21cm
5-3/8" 6"
13.69cm 15.24cm
4-5/8"
11.75cm
3/16"
0.48cm 4-13/16" 12.22cm
1"
2.54cm
6
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Installation |
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Installation |
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The C45 can be placed upright on a table or shelf, standing |
operation. Allow at least 2 inches (5.08cm) above the top, 2 |
on its four feet. It also can be custom installed in a piece of |
inches (5.08cm) below the bottom and 1 inch (2.54cm) on |
furniture or cabinet of your choice. The four feet may be |
each side of the Audio Control Center, so that airflow is not |
removed from the bottom of the C45 when it is custom in- |
obstructed. Allow 17 inches (43.18cm) depth behind the |
stalled as outlined below. The four feet together with the |
front panel. Allow 1-1/8 inch (2.9cm) in front of the mount- |
mounting screws should be retained for possible future use |
ing panel for knob clearance. Be sure to cut out a ventila- |
if the C45 is removed from the custom installation and used |
tion hole in the mounting shelf according to the dimensions |
free standing. The required panel cutout, ventilation cutout |
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vide adequate |
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your C45. Cool |
C45 Front Panel |
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erating life for |
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instrument. Do |
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C45 directly |
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Cutout Opening for Custom Mounting |
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amplifier. If all |
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are installed in |
C45 Side View |
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a single cabinet, |
in Custom Cabinet |
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a quiet running |
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ventilation fan |
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Cutout Opening for Ventilation |
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Spacers |
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5.08cm |
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coolest possible |
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11-1/2" |
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1" |
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operating tem- |
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29.21cm |
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2.54cm |
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perature. |
C45 Bottom View |
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14" |
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15-1/16" |
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A custom |
in Custom Cabinet |
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Cutout Opening |
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38.26cm |
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35.56cm |
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for Ventilation |
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tion should pro- |
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vide the follow- |
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ing minimum |
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spacing dimen- |
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sions for cool |
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7
Balanced Main OUTPUTS contain the program signals for all six channels
Unbalanced Main OUTPUTS contain the program signals for all six channels
Rear Panel Connections
Unbalanced 6 CHANNEL INPUT Number 2 for signals coming from a six channel component source
VCR, TAPE, SAT, |
Unbalanced 6 CHANNEL |
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DVD, CD2, CD, |
INPUT Number 1 for signals |
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TUNER unbalanced |
coming from a six channel |
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INPUTS accept high |
component source |
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level program source |
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signals |
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Connect the power |
IR INPUT for |
VCR and TAPE |
DATA PORTs send signals |
Ground |
cord to a live AC |
connecting an |
Record Outputs |
to compatible source compo- |
connection |
outlet. Refer to in- |
IR Receiver |
contain the sig- |
nents to allow remote con- |
for turntables |
formation on the |
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nals for making |
trol operation |
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back panel of the |
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a recording |
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C45 to determine |
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the correct voltage |
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External KEYPAD or Sensor Jack permits the connection of a McIntosh Keypad or IR Sensor for remote operation
POWER CONTROL and Trigger Outputs send |
BALANCED |
Turn-On signals to other components connected |
INPUTS for a |
to the C45. The MAIN Jacks send the signal |
two channel |
when the C45 is switched On. The ACC POWER |
component |
CONTROL sends a turn On/Off signal to other |
source |
components using the Remote Control or |
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preselected in Setup. The SETUP Feature in the |
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C45 allows the MAIN(A) and ACC(B) Power |
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Control Jacks to be re-assigned to Switch On |
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when the desired Input Source is selected. |
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PH/AUX accepts high level program source signals or signals from a Moving Magnet Phono Cartridge. The SETUP feature determines whether the Input Jacks are set for AUX or PHONO
8
How to Connect for Power Control
How to Connect for Power Control
The three Power Control Jacks have default settings as explained on page 8. The hookup example below utilizes the default settings. If you wish to use any one of the two assignable Power Control Outputs as a dedicated Trigger instead, connect that Component Source Unit’s Power Control Input to the desired Trigger Output MAIN(A) or ACC(B). The default setting in the C45 Setup needs to be changed to match the new Power Control Connection.
1.Connect a Control Cable from the C45 POWER CONTROL MAIN(A) Jack to the Power Control In on the McIntosh CD Player.
McIntosh CD Player
2.Connect a Control Cable from the McIntosh CD Player Power Control Out Jack to the Power Control In Jack on the McIntosh DVD-Audio Player.
3.Optionally, connect a Control Cable from the McIntosh DVD-Audio Player Power Control Out Jack to the Power Control Jack on the McIntosh Power Control.
Note: The McIntosh Power Control provides AC Power Switching to components that do not have Power Control Connections.
4.Connect a Control Cable from the C45 POWER CONTROL MAIN Jack to the Power Control In Jack on the McIntosh Power Amplifier.
McIntosh DVD-Audio Player
McIntosh PowerAmplifier
McIntosh
Power Control
9
How to Connect for Data Control and Remote Operation
How to Connect for Data Control and Remote Operation
Data Control Connections facilitate the ability to remotely operate McIntosh Source Components using the supplied C45 Audio Control Center Remote Control. By adding a McIntosh Remote Control Translator/Repeater to the C45, non McIntosh Source Devices such as a Tape Deck can be remotely controlled using a McIntosh Remote Control and Keypad/Sensor.
1.Connect a Control Cable from the C45 DVD DATA PORT Jack to the DATA IN Jack on the McIntosh DVD-Audio Player.
2.Connect a Control Cable from the C45 TUNER DATA PORT Jack to the DATA IN Jack on the McIntosh Tuner.
3.Optionally, connect a Control Cable from the C45 TAPE DATA PORT Jack to the Number 1 DATA IN Jack on the McIntosh Remote Control Translator/Repeater. Connect the Emitter Eye plug end to the McIntosh Remote Control Translator/Repeater EMITTER Jack and attach the Emitter Eye over the IR Sensor Window on the Tape Deck.
4.Optionally, connect a cable from the KEYPAD Jack to a Keypad.
Note: A Wall Mounted IR Sensor may also be used in place of the Keypad.
McIntosh DVD-Audio Player
McIntosh Keypad
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McIntosh Remote Control Translator/Repeater |
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IR Sensor |
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10
How to Connect for Two Channel Operation
How to Connect for Two Channel Operation
The C45 Audio Control Center has assignable Inputs. Before the Balanced and Phono Inputs can be used, they must be first selected in the Setup Mode, refer pages 15, 17 and 18.
1.Connect Audio Cables from the McIntosh C45 RF and LF Balanced OUTPUTS to the McIntosh Power Amplifier Balanced INPUTS.
Note: The unbalanced RF and LF Audio OUTPUTS and unbalanced Power Amplifier Inputs may be used instead of the Balanced Connections.
2.Connect Audio Cables from the McIntosh CD Player Balanced Audio Outputs to the C45 R and L BALANCED INPUTS.
McIntosh CD Player
Note: The unbalanced Audio Outputs and CD2 INPUTS may be used instead of the Balanced Connections.
3.Connect Audio Cables from a McIntosh DVD-Audio Player 2CH Outputs to the C45 DVD INPUTS.
4.Connect an Audio Cable from a Turntable to the C45 PH/AUX INPUTS and the Turntable Ground Connection to the GND grounding post.
5.Connect an Audio Cable from the C45 TAPE OUTPUTS to the Record Inputs of a Tape Recorder and from the C45 TAPE INPUTS to a Tape Recorder Outputs.
6.Connect the C45 Power Cord to a live AC outlet.
McIntosh DVD-Audio Player
McIntosh PowerAmplifier
Turntable
in |
Tape Deck |
out |
11
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