Page 2 - Important Additional
2 Your decision to own this McIntosh MC1502 Tube Power Amplifier ranks you at the very top among discriminating music listeners. You now have “The Best.” The McIntosh dedication to “Quality,” is assurance that you will receive many years of musical enjoyment from this unit. Please take a short time ...
Page 4 - Figure 2B; Warning Sheet; Figure 1A; Shipping Foam; ARNING
4 Unpacking the MC1502 Caution : To prevent damage to the MC1502 Vacuum Tubes during shipping, there is a special foam insert surrounding the Vacuum Tubes of the Power Amplifier. The Foam Insert must be removed from the MC1502 before connecting the AC Power Supply Cord to the Power Amplifier. Failur...
Page 5 - Ventilation; Figure 3C; Figure 6F; Figure 7G; Figure 8A; Figure 9; Cool Air; Figure 5E
5 Adequate ventilation extends the trouble free life of the MC1502. 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 10. Allow at least 19 inches (48.3cm) above the top; 6 inches (15.2cm) for the...
Page 6 - Power; The MC1502 includes an Auto Off Power Save; Connector and Cable Information
6 Output Terminal Connector When cables with spade lugs are used for Loudspeaker Connection, the spade lugs need an opening of at least 3/10 inch (7.6mm) XLR Connectors Below is the Pin configuration for the XLR Balanced Input Connectors on the MC1502. Refer to the diagram for connection: PIN 1: Shi...
Page 9 - Rear Panel Connections, Fuse Holder and Switches
9 Rear Panel Connections, Fuse Holder and Switches BALANCED INPUTS UNBALANCED INPUTS POWER CONTROL INPUT MODE AUTO OFF COM R OUTPUT CLASS 2 WIRING COM L OUTPUT CLASS 2 WIRING M C 1 5 0 2 P O W E R A M P L I F I E R McINTOSH LABORATORY, INC., BINGHAMTON, NY HANDCRAFTED IN USA WITH US AND IMPORTED PAR...
Page 10 - Loudspeaker Cable Distance vs Wire Gauge Guide; Loudspeaker; Banana Plugs are for use in the United States and; it is finger tight. Refer to figure; Figure 1; How to Connect for Stereo Operation; Do not over; Figure A; Figure B; Figure F
10 Caution: Do not connect the AC Power Cord to the MC1502 Rear Panel until after the Loudspeaker Connections are made. Failure to observe this could result in Electric Shock. The connection instructions below, together with the MC1502 Connection Diagram located on the separate folded sheet “ Mc1A ”...
Page 11 - Spade Lug or Wire Connections:; How to Connect for Operation; Figure 4
11 Note: Refer to “Output Terminal” step 4 on page 10 for important information. If the Loudspeaker’s impedance is in-between the available connections, use the nearest lower impedance connection. Refer to “General Information” Note 6 on page 6 for additional information. WARNING: Loudspeaker termin...
Page 12 - Front Panel Controls and Indicators; Left Channel Small Signal Vacuum Tubes; Right Channel Small Signal Vacuum Tubes; LED Illumination Color Operation Mode Function
12 Front Panel Controls and Indicators POWER Switch Turns AC Power ON, OFF or REMOTE Left Channel Small Signal Vacuum Tubes LED Illumination Color Operation Mode Function Amber Warm-up Audio Signal is muted Green Normal Selected by Tube Light Control Red (Flash Illumination) Sentry Protection Circui...
Page 13 - How to Operate; Power Control
13 Input Switch The Input Mode Switch, which is located on the Rear Panel of the MC1502, allows selection of either the Balanced or Unbalanced Input. Refer to figure 12. Auto Off Switch The MC1502 incorporates Power Save Circuitry to automatically place the MC1502 into the power saving Standby Mode ...
Page 14 - Note: Refer to the right side panel of the MC1502 for the; Specifications
14 Power Requirements Field AC Voltage conversion of the MC1502 is not possible. The MC1502 is factory configured for one of the following AC Voltages: 100V ~ 50/60Hz at 6.6 Amps 110V ~ 50/60Hz at 6.0 Amps 120V ~ 50/60Hz at 5.5 Amps 127V ~ 50/60Hz at 5.5 Amps 220V ~ 50/60Hz at 3.0 Amps 230V ~ 50/60H...
Page 15 - Follow the unpacking instructions on pages
15 Packing Instructions Packing Instructions Quantity Part Number Description 1 034649 Shipping Carton Top 1 034652 Shipping Carton Bottom 1 034600 Foam Tube (for protecting the Tubes during shipping) 1 034650 Foam End Cap Top 1 034651 Foam End Cap Bottom 4 034653 Foam Ring 1 241109 Warning Sheet 4 ...
