Page 2 - IMPORTANT SAFETY
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. 2. ...
Page 4 - Caution; Figure 1; Tube Covers; Figure 2; WARNING; Remove Foam
4 Unpacking the MC2301 Caution : To prevent damage to the MC2301 Tubes during shipping, there is a spe- cial foam insert surrounding the Tubes located on both sides of the Power Am- plifier. BOTH Foam Inserts must be re- moved from the MC2301 before connecting the AC Power Sup- ply Cord to the power...
Page 5 - Ventilation; Chassis; Warm Air
5 Figure 3 Adequate ventilation extends the trouble free life of the MC2301. Always allow air to f low 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...
Page 7 - Connector Information, Introduction and Performance Features
7 XLR Connectors Below is the Pin configuration for the XLR Balanced In- put, Input/Output Connectors on the MC2301. Refer to the diagram for connection: PIN 1: Shield/Ground PIN 2: + Output PIN 3: - Output Power Control Connector The MC2301 Power Control Input receives an On/Off sig- nal from +5 to...
Page 8 - The following dimensions can assist in determining the
8 Dimensions 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. 17- 3/4 " 45.09cm 11" 27.94cm 12- 5/16 " 31.27cm 20" 50.86cm 21" 54.61cm 3/...
Page 9 - When the MC2301 is installed together with other McIntosh
9 Installation Installation The MC2301 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 MC2301 when it is custom installed as outlined below. Th...
Page 10 - Notes
Page 11 - Rear Panel Connections and Switch; Caution: The Loudspeaker Negative Connections are
11 Rear Panel Connections and Switch 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 signal to the next McIn- tosh Compon...
Page 12 - How to Connect; Loudspeaker Cable Distance vs Wire Gauge Guide
12 Spade lug or prepared wire connection: Insert the spade lug connector or prepared section of the cable end into the terminal side access hole, and tighten the terminal cap until the cable is firmly clamped into the terminal so the wires cannot slip out. Refer to fig- ures 4, 5 & 6. Banana plu...
Page 13 - McIntosh Preamplifier
13 McIntosh Loudspeaker How to Connect McIntosh Preamplifier Connect to AC Outlet
Page 14 - How to Connect for Bi-Amp
14 3. If the cable is stranded, carefully twist the strands together as tightly as possible. Note: If desired, the twisted ends can be tinned with solder to keep the strands together, or attach spade lug and/or banana connector. Spade lug or prepared wire connection: Insert the spade lug connector o...
Page 15 - McIntosh Power Amplifier Two
15 How to Connect for Bi-Amp McIntosh Loudspeaker McIntosh Preamplifier Connect to AC Outlet McIntosh Power Amplifier Two
Page 16 - Front Panel Displays and Controls
16 Front Panel Displays and Controls Standby Power On and Sentry Monitor Tube Protection Activa- tion Indicator Meter indicates the Power Output of the Amplifier POWER Switch Turns AC Power On/Off, or On/Remote METER Switch selects the display modes of the Power Output Meter and Meter Illumination
Page 17 - How to Operate
17 amplifier. The meter pointer will then rise to the newer higher indication. If no further power peaks are reached, the meter pointer will very slowly return to its rest position or lower power level. The decay rate is approxi- mately 6dB per minute. Input Mode Switch The Input Mode Switch, which ...
Page 18 - Technical Description
18 Technical Description 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 tube power amplifier without compromise, using the most advanced McIntosh circuit design concep...
Page 20 - Technical Description, con’t
20 feedback designs. The fully Balanced Push-Pull design is used from input to output. The resulting fully balanced configuration can- cels many forms of audible distortion and greatly improves the Signal-to-Noise ratio of the amplifier. While conventional designs only take output from the plate, th...
Page 21 - Power Supply Circuits
21 Technical Description, con’t should fail. During normal operation there is absolutely no compromise in sonic performance with this circuit, and it ensures safe operation of the amplifier under even the most extreme operating conditions. In the event a problem occurs, the MC2301 Sentry Monitor Tub...
Page 22 - Note: Refer to the rear panel of the MC2301 for the correct
22 Specifications Specifications Power Output Minimum sine wave continuous average power output is: 300 watts into 2 ohm load 300 watts into 4 ohm load 300 watts into 8 ohm load Output Load Impedance 2, 4 or 8 ohms Rated Power Band 20Hz to 20,000Hz Total Harmonic Distortion 0.5% maximum harmonic dis...