McIntosh C70 Manual de Usario

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McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com
C70
Tube Preamplier
Owners Manual
2
Your decision to own this McIntosh C70 Stereophonic
Preamplifier with Tube Circuitry ranks you at the very
top among discriminating music listeners. You now
have “The Best.” The McIntosh dedication to “Qual-
ity,” 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 pos-
sible with all the features and functions of your new
McIntosh.
Copyright 2018 © by McIntosh Laboratory, Inc.
Table of Contents
Thank You
Please Take A Moment
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: 607-723-3512
Fax: 607-724-0549
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
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: ________________________________
Important Safety Information is supplied in a separate document “Important Additional Operation Information Guide
Safety Instructions .....................................................
2
(Separate Sheet) ...................
Important Additional
Operation Information Guide
Thank You and Please Take a Moment 2
.......................
Technical Assistance and Customer Service 2
..............
Table of Contents 2
........................................................
General Information ...................................................
3
Connector and Cable Information ..............................
3
Introduction .................................................................
4
Performance Features .................................................
4
Dimensions .................................................................
5
Installation ..................................................................
6
Rear Panel Connections .............................................
7
How to Connect the C70 8
............................................
Connection Diagrams (Separate Sheets).... Mc1A and
Mc1B
How to use the Remote Control ..........................
10-11
Front Panel Displays, Controls, Switches
and Jack ....................................................................
12
How to Operate the C70 .....................................
13-14
Photos ..................................................................
15-17
Specifications ...........................................................
18
Packing Instruction ..................................................
19
3
XLR Connectors
Below is the Pin configuration for the XLR Balanced
Input and Output Connectors on the C70. Refer to the
diagrams for connections:
PIN 1: Shield/Ground
PIN 2: + Signal
PIN 3: - Signal
Power Control Connectors
The C70 Power Control Output Jacks send Power On/
Off Signals when connected to
McIntosh Components. An ad-
ditional connection is for con-
trolling the illumination of the
Power Output Meters on McIn-
tosh Power Amplifiers. Refer to
page 11 for additional information. A 3.5mm stereo
mini phone plug is used for connection to the Power
Control Outputs.
Data Port Connectors
The C70 Data Out Ports send Re-
mote Control Signals to McIntosh
Source Components. A 3.5mm
stereo mini phone plug is used for
connection.
IR IN Port Connectors
The IR IN Port also uses a
3.5mm stereo mini phone plug
and allows the connection of
other brand IR Receivers to the C70.
1. The C70 uses Vacuum Tubes for amplifying the
audio signal. The C70 is designed to have only
qualified Service Personnel perform any part(s)
replacement including all the vacuum tubes.
2. For additional connection information, refer to the
owner’s manual(s) for any component(s) connected
to the C70 Stereophonic Preamplifier.
3. The Main AC Power going to the C70 and any
other McIntosh Component(s) should not be applied
until all the system components are connected
together. Failure to do so could result in malfunc-
tioning of some or all of the systems normal opera-
tions. When the C70 and other McIntosh Compo-
nents are in their Standby Power Off Mode, the
Microprocessors Circuitry inside each component
is active and communication is occurring between
them.
4. 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 Bal-
anced and Unbalanced Outputs simultaneously,
connected to different Power Amplifiers.
5. The C70 Remote Control is capable of operating
other components. For additional information go
to www.mcintoshlabs.com.
6. The IR Input, with a 3.5mm stereo mini phone
jack, is configured for non-McIntosh IR sen-
sors such as a Xantech Model DL85K Kit. Use
a Connection Block such as a Xantech Model
ZC21 when two or more IR sensors need to be
connected to the C70. The signal from a connect-
ed External IR Sensor will have priority over the
signal from the Front Panel IR Sensor.
General Information Connector and Cable Information
PIN 1 PIN 2
PIN 3
Data
Signal
N/C
Data
Ground
IR Data
Control
Ground
N/C
7. When discarding the unit, comply with local rules
or regulations. Batteries should never
be thrown away or incinerated but
disposed of in accordance with the local
regulations concerning battery disposal.
8. For additional information on the C70
and other McIntosh Products please visit the McIn-
tosh Web Site at www.mcintoshlabs.com.
General Information and Cable Information
Power
Control
Meter
Illumination
Control Ground

Especificaciones del producto

Marca: McIntosh
Categoría: receptor
Modelo: C70

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