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Tube Power Amplifier MC2301 Owner’s Manual McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 FAX: 607-724-0549...
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. WARNING - TO REDUCE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO...
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IMPORTANT! INSTRUCTIONS FOR REMOVAL OF FOAM INSERTS OVER THE VACUUM TUBES PRIOR TO CONNECTING THE A.C. POWER SUPPLY CORD, START ON THE NEXT PAGE.
McIntosh Service Agency. 1. Orient the MC2301 so the Front Panel is facing you and remove the Warning Sheet. Refer to figure 1. 2. Using a Philips Head #2 screw driver, remove the two chassis screws securing the Tube Cover to the chassis on both sides of the MC2301.
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Ventilation Adequate ventilation extends the trouble free life of the MC2301. Always allow air to flow through the ventilation holes on the bottom of the amplifier and a means for the warm air to escape at the top. Refer to figure 9 and the information on the next page for placement and installation of the MC2301.
Phone: 607-723-1545 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.
300 watts into 2, 4 or 8 ohm speakers with less than 0.5% distortion. • Full Balanced Unity Coupled Circuitry The MC2301 is fully balanced from input to output. It con- sists of two matched Power Amplifiers operating in push- pull using the famous McIntosh Patented Unity Coupled Circuit.
Dimensions The following dimensions can assist in determining the best location for your MC2301. There is additional infor- mation on page 9 pertaining to installing the MC2301 into cabinets. Front View of the MC2301 Rear View of the MC2301 4.12cm Side View of the MC2301 45.09cm...
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 MC2301 when it is custom installed as outlined below. The four feet together...
Connect the MC2301 power cord to a live AC outlet. Refer to the rear panel to determine the correct voltage POWER CONTROL IN receives a turn On/Off signal from a McIntosh component and the POWER CONTROL OUT sends a turn On/Off...
12AWG Loudspeaker’s impedance is in-between the available connections, use the nearest lower impedance connec- tion. WARNING: Loudspeaker terminals are hazardous live 6. Connect the MC2301 Power Cord to a live AC outlet. Figure 2 Figure 3 Figure 4 Figure 5...
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McIntosh Preamplifier Connect to AC Outlet How to Connect McIntosh Loudspeaker...
12AWG tion. WARNING: Loudspeaker terminals are hazardous live 8. Connect the MC2301 Power Cord to a live AC outlet. Figure 2 Figure 3 solder to keep the strands together, or attach spade lug and/or banana connector.
Meter indicates the Power Output of the Amplifier METER Switch selects the display modes of the Power Output Meter and Meter Illumination Front Panel Displays and Controls Standby Power On and Sentry Monitor Tube Protection Activa- tion Indicator POWER Switch Turns AC Power On/Off, or On/Remote...
Input Mode Switch The Input Mode Switch, which is located on the Rear Panel of the MC2301, allows you to select either the BAL (Bal- Figure 8 anced) or UNBAL (Unbalanced) Input. Refer to figure 11.
0.5% at rated power output for all frequencies from 20Hz to 20,000Hz. Typical performance at mid frequen- cies is less than 0.05%. The MC2301 can deliver the best possible performance from any type of high quality loud- speaker system.
MC2301 Design The design philosophy incorporated in the MC2301 in- volved several different techniques, all based on sound sci- entific logic. Every stage of voltage amplification must be as linear as possible prior to the use of negative feedback. Block Diagram of the...
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No fans are needed. Power Output Meter The McIntosh MC2301 has a large Output Watt Meter that responds 95% full scale to a single cycle tone burst at 2kHz. Refer to figure 15. The voltage outputs are electroni-...
16. Most owners desire one power switch for the whole audio system. The MC2301 is equipped with a circuit that provides remote Power Control from a McIntosh A/V Con- trol Center. When the A/V Control Center is switched On, a (5-12V) signal operates the power relay in the MC2301.
220 Volts, 50/60Hz at 3 Amps 230 Volts, 50/60Hz at 2.75 Amps 240 Volts, 50/60Hz at 2.75 Amps Standby: 1 watt Note: Refer to the rear panel of the MC2301 for the correct voltage. Overall Dimensions Width is 17-3/4 inches (45.09cm) Height is 12-5/16 inches (31.27cm) including feet...
Failure to do this will result in shipping damage. To protect the tubes during shippment, the two Foam Inserts removed from the MC2301 need to be re-inserted. Follow the unpacking instructions on pages 3-4 in the reverse order.
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McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, NY 13903 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. 04108500...