User manual MCINTOSH MCC404M

[. . . ] Owners Manual MCC404/MCC404M Power Amplifier MCC404 MCC404M McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 FAX: 607-724-0549 WARNING - TO REDUCE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL. To prevent the risk of electric shock, do not remove bottom cover. No user serviceable parts inside. IMPORTANT SAFETY INSTRUCTIONS! PLEASE READ THEM BEFORE OPERATING THIS EQUIPMENT. General: 1. Warning: To reduce risk of fire or electrical shock, do not expose this equipment to rain or moisture. [. . . ] Connect an audio cable from the external crossover MID-RANGE output to the MCC404/MCC404M channel 2 input. Connect an audio cable from the external crossover WOOFER output to the MCC404/MCC404M channel 3 input. Connect the MCC404/MCC404M to the vehicle battery terminals using size 4 AWG (Maximum) cables. Note: Do not connect a cable to the MCC404/MCC404M channel 4 input. 2. Connect a cable from a McIntosh Control Center with Power Guard to the MCC404/MCC404M PG connector on the side of the amplifier. Connect speaker cables (up to 12AWG) from a tweeter to the amplifiers channel 1 output terminals. Connect speaker cables from a mid-range loudspeaker to the amplifiers channel 2 output terminals, being careful to observe the correct polarities. Note: The connecting information shown here is for a single channel of an audio system. For the other channel, connect a second MCC404/MCC404M and loudspeakers in a similar manner. Note: All cables should be connected to the amplifier before connecting the DC power cables to the battery. 5. Connect speaker cables from one woofer to the amplifiers channels 3&4 BRIDGED output terminals, being careful to observe the correct polarities. Note: It is advisable to place an in-line fuse of a suitable size as close as possible to the battery. McIntosh Control Center Left Output McIntosh Electronic Crossover Tweeter Loudspeaker - Vehicle + Battery Fuse Midrange Loudspeaker 6543210987654321 6543210987654321 6543210987654321 6543210987654321 6543210987654321 6543210987654321 6543210987654321 6543210987654321 6543210987654321 6543210987654321 6543210987654321 6543210987654321 6543210987654321 6543210987654321 6543210987654321 6543210987654321 6543210987654321 7654321 7654321 7654321 7654321 7654321 7654321 7654321 Woofer Loudspeaker 0987654321 0987654321 0987654321 0987654321 0987654321 0987654321 0987654321 0987654321 0987654321 9 How to Connect for Two Channels How to Connect for Two Channels 1. Connect the cable from the Control Center Amp On to the MCC404/MCC404M ON Connector on the right side of the amplifier. Connect a cable from a McIntosh Control Center with Power Guard to the MCC404/MCC404M PG Connector on the right side of the amplifier. Connect cables (up to 12AWG) from two separate loudspeakers, one to the Amplifier Bridged Channels 1 and 2 Terminals, and one to Bridged Channels 3 and 4 Terminals, being careful to observe the correct polarities. Connect audio cables from the Control Center Outputs to the MCC404/MCC404M Inputs 1 and 3. Optional Connection allows the SUB Outputs to be connected to a separate Subwoofer Power Amplifier, regardless of the MCC404/MCC404M Operating Mode used. Note: All cables should be connected to the amplifier before connecting the DC power cables to the battery. Note: The Subwoofer Outputs are line-level outputs and summed from all the Input Channels. They can be remotely controlled by connecting a cable from the SUB REMOTE CONTROL jack to the optional external rotary control. 6. Optional Connection allows the SUB REMOTE CONTROL to be connected to the Power Amplifier, regardless of the MCC404/MCC404M Operating Mode used. Connect the MCC404/MCC404M to the vehicle battery terminals using size 4 AWG (Maximum) cables. Note: It is advisable to place an in-line fuse of a suitable size as close as possible to the battery. Subwoofer Loudspeaker McIntosh Control Center Right Output Left Output Optional Subwoofer Amplifier Left Loudspeaker - Vehicle + Battery Fuse 10 9876543210987654321 9876543210987654321 9876543210987654321 9876543210987654321 9876543210987654321 9876543210987654321 9876543210987654321 9876543210987654321 9876543210987654321 9876543210987654321 9876543210987654321 9876543210987654321 9876543210987654321 9876543210987654321 9876543210987654321 9876543210987654321 9876543210987654321 9876543210987654321 9876543210987654321 3210987654321 3210987654321 3210987654321 3210987654321 3210987654321 3210987654321 3210987654321 3210987654321 3210987654321 3210987654321 3210987654321 3210987654321 3210987654321 3210987654321 Optional connections for controlling the Subwoofer Level by using the Front to Rear Fader Control on the Control Center 43210987654321 43210987654321 43210987654321 43210987654321 43210987654321 43210987654321 43210987654321 43210987654321 43210987654321 43210987654321 43210987654321 43210987654321 43210987654321 Left Rear Loudspeaker How to Connect with Subwoofer Channel How to Connect with Subwoofer Channel 1. Connect the cable from the Control Center Amp On to the MCC404/MCC404M ON Connector on the right side of the amplifier. Connect a cable from a McIntosh Control Center with Power Guard to the MCC404/MCC404M PG Connector on the right side of the amplifier. Connect cables (up to 12AWG) from two separate upper range loudspeakers, to the Amplifiers Channels 1 and 2 Terminals, and subwoofer loudspeaker to Bridged Channels 3 and 4 Terminals, being careful to observe the correct polarities. Connect audio cables from the Control Center Outputs to the MCC404/MCC404M Inputs 1 and 2. Optional Connection allows the SUB Outputs to be connected to a separate Subwoofer Power Amplifier, regardless of the MCC404/MCC404M Operating Mode used. Note: All cables should be connected to the amplifier before connecting the DC power cables to the battery. Note: The Subwoofer Outputs are line-level outputs and summed from all the Input Channels. [. . . ] Output Mode Set the channels 1-2 OUTPUT MODE Switch to the STEREO position and the channels 3-4 OUTPUT MODE Switch to the BRIDGED position to operate in the three channel bi-amp mode. High Pass Filter Set the channel 3-4 High Pass Filters FREQUENCY Control to 50 and the MULTIPLIER Switch to X. 1. Set the channel 1-2 High Pass filter Frequency Controls the frequency above which you wish to send to the upper range speakers. Example: To send frequencies above 200Hz to the upper range speakers, the FREQUENCY Control to 200 and the MULTIPLIER Switch to X1. Low Pass Filter Set the channel 1-2 low pass filter to OUT. Set the channel 3-4 Low Pass Filter controls to the frequency below which you wish to send to the subwoofer. Example: To send frequencies below 200Hz to the subwoofer, set the FREQUENCY Control to 200 and the MULTIPLIER Switch to X1. 15 How to Replace the Fuses How to Replace the Fuses If the MCC404/MCC404M produces no sound, there is no Illumination of the Nomenclature on the Top Glass Panel, and the power connections seem secure, one or more of the Amplifier Fuse(s) may have failed. [. . . ]