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Summary of Contents for McIntosh C8AC
- Page 1 McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com Tube Preamplifier Owner’s Manual...
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Page 2: Thank You From All Of Us At Mcintosh
Purchase Date: your dealer who may be more familiar with your particular setup including other brands. You can also Dealer Name contact McIntosh with additional questions or in the unlikely event of needing service. McIntosh Laboratory, Inc. 2 Chambers Street... -
Page 3: Table Of Contents
Table of Contents List of Figures Changing the Remote’s Battery ....... 17 Thank you from all of us at McIntosh ......2 Figure 01– C8 Dimensions ......... 6 Packing the C8 ............18 Make a Note ..............2 Figure 02– Ventilation requirements ....6 Specifications ............ -
Page 4: Remove The Foam
The C8 has no user serviceable parts, including the tubes. If repairs are needed they must be performed by an authorized McIntosh Service Agency. Follow the steps below to prepare the C8 for operation: 1. Orient the C8 so the Front and Top of the Figure D Preamplifier is facing you. - Page 5 5. The C8 Preamplifier has four Small Vacuum Tubes that are inserted into special Vacuum Tube Sockets on the Stainless Steel Chassis. Refer to WARNING: Figure E. Each of the Tube Sockets have four pin openings to accept the Vacuum Tube Shield Covers. Refer to Figure F.
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Page 6: Where To Put It
45.7cm 29.2cm DATA EXTERNAL PORTS CONTROL POWER CONTROL RS232 MAIN TRIG 1 C8 TUBE PREAMPLIFIER McINTOSH LABORATORY , INC., BINGHAMTON, NY SERVICE HANDCRAFTED IN USA WITH US AND IMPORTED PARTS PORT " " 5/16 -5/16 " IR IN PASSTHRU TRIG 2 3.36cm... -
Page 7: The Front Panel
The Front Panel • Push, hold and release after 2 seconds to enter • Push and release to Power On when C8 is Off Setup mode • Push and release to Power Off. The Standby Indicator LED will glow red as long as The Right Knob The C8’s glass and metal Front Panel provides two AC Power is connected to the C8. -
Page 8: Connections On The Back
Figure 04– C8 Rear View Connections on the Back One DA2 expansion slot (X) Making Connections One Ground Connector (Z) The Inputs Phono/Unbalanced Inputs Unbalanced Inputs such as the two PHONO One stereo pair of Moving Coil Phono inputs (A) The Outputs INPUTS and UNBALANCED INPUTS 1 and 2 One stereo pair of Moving Magnet Phono inputs (B) -
Page 9: Balanced/Xlr Input And Output
as well as a pair of RCA connectors. Both outputs RS232 DB9 Connector Pin Layout can be used simultaneously if desired as in the case 1. N/C (no connection) 6. N/C of bi-amping. To use the XLR output, connect the 2. -
Page 10: Connection Diagram
Use ground for either Use Unbalanced or Balanced connections for sources such as CD McINTOSH LABORATORY, INC., BINGHAMTON, NY HANDCRAFTED IN USA WITH US AND IMPORTED PARTS McINTOSH LABORATORY, INC., BINGHAMTON, NY HANDCRAFTED IN USA WITH US AND IMPORTED PARTS... -
Page 11: Da2 Expansion Slot
Control or Authorized McIntosh Service Agency, under name, the new name will appear.) Ground the terms of your McIntosh Limited Warranty any Figure 10– Power control (trigger) mini plug • Press and release the Left Knob to exit Setup. resulting damage or failure of your unit will be... -
Page 12: Power On The C8
25%, 50%, 75% or 100% recommended setting for your Moving Ceramic The USB port on the rear of the C8 is for McIntosh Phono cartridge. The options are selected by service use only. If you wish to add digital To use the Trim Menu you can either: rotating the Right Knob. -
Page 13: Setup Settings
(left or right) of To edit Input information, press and hold (two McIntosh amplifier controlled through a connected the output, Output 2 should be set to Mono. Turn the seconds) the Left Knob at the Setup: Inputs menu Right Knob to change selections. -
Page 14: Data Port Setup
To use Alternate Codes with the C8 requires an connected components whenever data is received. used by Passthru. The default is off. Other optional McIntosh Remote Control such as the The options for when to send data are: choices are Balanced, Unbal 1 and Unbal 2. -
Page 15: Auto-Off Setup
Auto-Off Setup When Enabled, the Auto-Off feature automatically powers off the C8. This occurs approximately 30 minutes after there has been an absence of user activity (includes changes to any of the Operation Functions such as source selection, volume adjustment, etc.) or absence of an audio signal. To Enable (default) or Disable the Auto-Off feature: •... -
Page 16: Remote Control Buttons
Adjusts the active TRIM Function Adjusts the active TRIM Function Select the desired active TRIM function; also manually tune down the dial with contemporary McIntosh Tuners Activates Trim Mode Stop CD Playback Selects the desired INPUT Selects Next Track during CD Playback... -
Page 17: Changing The Remote's Battery
• Hold the remote upsidedown and backwards with Operating Functions for the C8 Preamplifier. McIntosh name upsidedown and facing away from you. The thicker end will now be the top and Input Source Selection you should be staring at the back of the remote. -
Page 18: Packing The C8
(The front panel is made of Warning Sheet glass!) If you need any of the packing material, you can contact McIntosh Customer Service. Use only Foam Tube Cage packing material that is in good condition and replace any material that has seen better days. -
Page 19: Specifications
Specifications Maximum Input Signal High Level, 5V Unbalanced, 10V Balanced Frequency Response Phono MM, 80mV +0, ±0.5dB from 20Hz-20,000Hz Phono MC, 8mV +0, -3dB from 15Hz-100,000Hz Voltage Gain Total Harmonic Distortion High Level to Output 1 or 2: 15dB 0.08% maximum from 20Hz to 20,000Hz at rated Phono MM to Output 1 or 2: 55dB Output Phono MC to Output 1 or 2: 75dB... - Page 20 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. 24109701...
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