User manual MCINTOSH MC2301

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   MCINTOSH MC2301 LITERATURE (1686 ko)

Manual abstract: user guide MCINTOSH MC2301

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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 "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. 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 cover or back. No user-serviceable parts inside. IMPORTANT SAFETY INSTRUCTIONS! PLEASE READ THEM BEFORE OPERATING THIS EQUIPMENT. 1. Install in accordance with the manufacturer's instructions. [. . . ] Allow 1-5/8 Note: Center the cutout Horizontally on the unit. inch (4. 12cm) in front For purposes of clarity, the above illustration is not drawn to scale. of the mounting panel1 9 Notes 10 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 McIntosh Component BALANCED INput1 / OUTput for an audio cable from a Preamplifier output or to connect an audio cable on to the next Power Amplifier input Main Fuse holder, refer to information on the back panel of your MC2301 to determine the correct fuse size and rating INPUT MODE switch selects between balanced or unbalanced input OUTPUT Connections for 2 ohm Loudspeaker OUTPUT Connections for 4 ohm Loudspeaker OUTPUT Connections for 8 ohm Loudspeaker Caution: The Loudspeaker Negative Connections are above chassis ground. Do not combine any connections together, ground them or connect with another MC2301 or other Power Amplifier. UNBALANCED INPUT for an audio cable from a Preamplifier or A/V Control Center audio output BALANCED INPUT for an audio cable from a Preamplifier or A/V Control Center audio output 1 This Balanced connector may be used as an Input ONLY when connected to a McIntosh C1000 Preamplifier. For all other connections use only as an Output. 11 How to Connect Caution: The supplied AC Power Cord should not be connected to the Rear Panel of the MC2301 Tube Power Amplifier until after the Loudspeaker Connections have been made. Failure to observe this could result in Electric Shock. For additional instruction on making Loudspeaker Connections contact your McIntosh Dealer or McIntosh Technical Support. For Remote Power Control, connect a power control cable from the Control Center or Preamplifier Power Control Out to the MC2301 POWER CONTROL IN. Connect a cable from the Balanced Output of a McIntosh Preamplifier or Control Center to the MC2301 BALANCED INPUT. Place the INPUT MODE Switch in the BALANCED Position. 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- Figure 4 Figure 5 Figure 6 ures 4, 5 & 6. Banana plug connection: Insert the banana plug into the hole at the top of the terminal. Refer to figures A and B. Note: Banana Plugs are for use in the United States and Canada only. When connecting Loudspeakers to the MC2301 it is very important to use cables of adequate size, so there is little to no power loss in the cables. The size is specified in Gauge Numbers or AWG (American Wire Gauge). The smaller the Gauge number, the larger the wire size: Loudspeaker Cable Distance vs Wire Gauge Guide Loudspeaker Impedance 2 Ohms 4 Ohms 8 Ohms 25 feet (7. 62 meters) or less 50 feet (15. 24 meters) or less 100 feet (30. 48 meters) or less Note: An optional hookup is to use an unbalanced cable and place the INPUT MODE Switch in the UNBALANCED Position. 12AWG 14AWG 16AWG 10AWG 12AWG 14AWG 8AWG 10AWG 12AWG 3. This McIntosh MC2301 Tube Power Amplifier is designed for the connection of a single Loudspeaker with an impedance of 2 ohms, 4 ohms or 8 ohms. Note: The remaining Loudspeaker Terminals on the Amplifier should not be connected to another Loudspeaker. When making Loudspeaker Connections to the MC2301 refer to the Connection Diagram on the next page. This is an example of a typical audio system, your system may vary from this, however the actual Loudspeaker would be connected in a similar manner. Connect the Loudspeaker hookup cables from a single Loudspeaker to the output terminals that match the impedance of the Loudspeaker, being careful to observe the correct polarities. Output impedance connections of 2 ohms, 4 ohms and 8 ohms are provided. If the Loudspeaker's impedance is in-between the available connections, use the nearest lower impedance connection. [. . . ] Precision metal film resistors and low dielectric absorption film capacitors Figure 14 20 Figure 16 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 Tube Protection Circuitry will activate to prevent potentially destructive high levels of current from flowing in the amplifier. Power Supply Circuits To compliment the fully balanced design of the MC2301 the power supply utilizes a very large Power Transformer (golf ball is for size comparison). [. . . ]

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