General, Connector and Cable Information, General Information

Data

Signal

Power

Control

General, Connector and Cable Information

1. The C220 uses Vacuum Tubes for amplifying the audio

signal. The C220 is designed to have only qualified Ser-

vice Personnel perform any part(s) replacement includ-

ing all the vacuum tubes.

2. For additional connection information, refer to the

owner’s manual(s) for any component(s) connected to

the C220 Tube Preamplifier.

3. The Main AC Power going to the C220 and any other

McIntosh Component(s) should not be applied until all

Below is the Pin configuration for the XLR Balanced Input

and Output Connectors on the C220. Refer to the diagrams
for connections:
PIN 1: Shield/Ground
PIN 2: + Output
PIN 3: - Output
PIN 2	PIN 1	PIN 1	PIN 2
PIN 3			PIN 3

the system components are connected together. Failure

to do so could result in malfunctioning of some or all

of the system’s normal operations. When the C220 and

other McIntosh Components are in their Standby Power

Off Mode, the Microprocessor’s Circuitry inside each

component is active and communication is occurring

between them.

4. Up to two Sensors can be wired in parallel for Remote

Power Control and Trigger Connectors The C220 Power Control and Trigger Output Power On/Off Signals when connected

to McIntosh and other Components. A 1/8 inch stereo mini phone plug is used for connection to the Power Control and Trigger Outputs on the C220.

Jacks send

N/C

Ground

Control of the C220 from other rooms.

5. 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.

6. A McIntosh Power Controller may be added to the C220

to provide AC Power Switching to components that do

not have Power Control Connections. See your McIn-

tosh Dealer for additional information.

Note: The Data, Power Control and
Note: The Data, Power Control and	Trigger
Trigger Connecting Cable is	Trigger
	Control


available from the McIntosh	N/C




Parts Department:
Parts Department:
Data, Power Control and Trig-	Ground
ger Cable Part No. 170-202