McIntosh MC303 - Manuals - manualsarea.com

Page 2 - not fit into your outlet, consult an electrician for; The exclamation point within an; IMPORTANT SAFETY; Only use attachments/accessories specified by the

2 The lightning flash with arrowhead, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “danger - ous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. 1. Read these instructions. ...

Page 4 - Data and Power Control Cable Part No. 170-202; Connector Information, Introduction and Performance Features; ThermalTrakTM and ON Semiconductor are trademarks of Semicon-; General Information, con’t

4 XLR Connectors Below is the Pin configuration for the XLR Balanced Input Connectors on the MC303. Refer to the diagram for con- nection: PIN 1: Shield/Ground PIN 2: + Output PIN 3: - Output Power Control Connector The MC303’s Power Control Inputs receive On/Off signals of +5 volts. An additional c...

Page 5 - The following dimensions can assist in determining the; Front View of the MC303

5 Dimensions Dimensions The following dimensions can assist in determining the best location for your MC303. There is additional informa- tion on the next page pertaining to installing the MC303 into cabinets. F15AH 125V 17- 3/4 " 45.09cm 10- 7/8 " 27.62cm 12- 3/8 " 31.43cm 18" 45.72...

Page 6 - When the MC303 is installed together with other McIntosh; Custom Cabinet Cutout

6 Installation Installation The MC303 can be placed upright on a table or shelf, standing on its four feet. It also can be custom installed in a piece of furniture or cabinet of your choice. The four feet may be removed from the bottom of the MC303 when it is custom installed as outlined below. The ...

Page 7 - Rear Panel Connections and Switch

7 F15AH 125V Rear Panel Connections and Switch Connect the MC303 power cord to a live AC outlet. Refer to the rear panel to determine the correct voltage POWER CONTROL IN receives turn On/Off signal from a McIntosh component and the POWER CONTROL OUT sends a turn On/Off signal to the next McIntosh C...

Page 8 - WARNING: Loudspeaker terminals are hazardous live; Channels) to the Left and Right Front Power Ampli; Loudspeaker Cable Distance vs Wire Gauge Guide

8 How to Connect for Center and Surround Channels the connection of a single Loudspeaker per amplifier channel, with an impedance of 2 ohms, 4 ohms or 8 ohms. Note: The remaining Amplifier Loudspeaker Terminals should not be connected to another Loudspeaker. 6. Prepare the Loudspeaker Hookup Cables ...

Page 9 - Front Channels) to the MC303 BALANCED INPUTs

9 How to Connect How to Connect for Left, Center and Right Channels Note: The remaining Amplifier Loudspeaker Terminals should not be connected to another Loudspeaker. 6. Prepare the Loudspeaker Hookup Cables that attach to the Amplifier by choosing one of the methods below: Bare wire cable ends: Ca...

Page 10 - Front Panel Displays and Switches

10 Front Panel Displays and Switches Standby Power On Indicator Meters indicate the Amplifier Power Output of Channels 1-3 LEDs indicate when Amplifier Channels 1-3 POWER GUARD circuits activate POWER Switch Turns AC Power On/Off, or On/Remote METER Switch selects Meter Illumination Auto (On) or Off

Page 11 - Power On; trol connection between the; Meters; How to Operate; Figure 8; Power Guard

11 Power On To have the MC303 automatically turn On or Off when an A/V Control Center or Preamplifier turns on or off, rotate the power switch to the REMOTE position. For manual operation, rotate the power switch to the ON or OFF position as desired. Refer to figure 8. Note: There must be a power co...

Page 12 - Technical Description; Inside Bottom View of the MC303

12 Technical Description Inside Bottom View of the MC303 McIntosh Laboratory, the company who introduced the world’s first amplifier that could be called “High Fidelity”, has done it again. The McIntosh engineering staff has cre- ated a power amplifier without compromise, using the most advanced McI...

Page 13 - Power Amplifier

13 range of music conditions with the benefits of lower distor- tion and cooler operation. The MC303 can provide greater than 60 amperes peak output current to drive uneven speaker loads. Some poor speaker designs have input impedance that dip to 1 or 2 ohms at various frequencies and the MC303 has ...

Page 14 - Input Test Signal

14 increase in temperature will result in a reduced life expectancy for the amplifier. The Autoformer creates an ideal match between the Power Amplifier Output Circuitry and the Loudspeaker. There is absolutely no performance limitation with an Autoformer. Its frequency response from below 20Hz to w...

Page 15 - Technical Description, con’t; Power Supply

15 can store over 200 Joules of energy, for the three amplifier channels, necessary for the wide dynamic range “Digital Audio” demands. Refer to figure 22. There is also a fully regulated low voltage power supply to guarantee excellent signal to noise ratio. Refer to figure 22. Also, most owners des...

Page 16 - Top View of the MC303

Page 17 - Photos; Rear View of the MC303

17 Photos Rear View of the MC303 Angle View of the MC303

Page 18 - Rated Power Band; Note: Refer to the rear panel of the MC303 for the correct

18 Specifications Specifications Power Output Minimum sine wave continuous average power output per channel, all channels operating: 300 watts into a 2 ohm, 4 ohm or 8 ohm load Output Load Impedance 2, 4 or 8 ohms Rated Power Band 20Hz to 20,000Hz Total Harmonic Distortion 0.005% maximum harmonic di...

Page 19 - carton or any of the interior part(s) are needed, please call

19 Packing Instructions Quantity Part Number Description 1 034105 Shipping carton top 1 034104 Shipping carton bottom 2 034439 Foam Pad (top and bottom) 3 034441 Foam Ring 4 018445 Feet Packing Instructions In the event it is necessary to repack the equipment for shipment, the equipment must be pack...