Table of Contents
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CONNECTIONS
Input-Stereo
Input-Twin Amp
Input-Mono
STEREO POWER
AMPLIFIER
TABLE OF CONTENTS
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GUARANTEE
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FREE 3-YEAR FACTORY SERVICE
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SCHEMATIC DIAGRAM
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PARTS LIST
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6
RESISTANCE AND VOLTAGE CHART
MC225
Output-Stereo or Twin Amp
Line Output-Stereo or Twin Amp
Input Switch-Mono
CONTRACT APPLICATION
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cover pocket
cover pocket
cover pocket
cover pocket
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Table of Contents
Related Manuals for McIntosh MC225
Summary of Contents for McIntosh MC225
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Page 1: Table Of Contents
GENERAL DESCRIPTION Output—Stereo or Twin Amp Output —Mono TECHNICAL DESCRIPTION Line Output—Stereo or Twin Amp Electrical Specifications Line Output—Mono Mechanical Specifications AC Power PANEL FACILITIES OPERATING THE MC225 Input ADJUSTMENTS Output Input Switch-Stereo Line Output Input Switch-Mono Fuse AC Outlet GUARANTEE... -
Page 3: General Description
Mclntosh instruments is directly due to low The MC225 has on one chassis two 25 distortion performance. Careful, devoted research is a way of life at Mclntosh. The watt power amplifiers. In addition to use as a... -
Page 4: Electrical Specifications
MC225. In addition to better distortion is produced at the instant of cut off and again at the instant when current... -
Page 5: Mechanical Specifications
Intermodulation Distortion: (One side internally grounded) 75 ohms, 100 ohms Less than 0.5% for any combination of frequencies from 20 cycles through Output Voltages: One side grounded 20,000 cycles if instantaneous peak power is below twice the rated power. Stereo (or twin amplifier): 25 and 70.7 volts Phase Shift: Mono (single channel):... -
Page 6: Panel Facilities
Fig. 3—End panel showing all input and output facilities. and 16 ohms are provided. The terminal INPUT The input of the MC225 has a two posi- strips may also be connected for a constant tion lever switch to permit the amplifier to be... -
Page 7: Installation
The suggested minimum space for mount- Center punch the 4 slotted holes in the ing the MC225 is 16" long x 10" wide x 10" mounting flanges shown on the template. high. Always supply ventilation holes in the... -
Page 8: Output -Mono
Simply connect OUTPUT-MONOPHONIC each output for the impedance desired. When the MC225 is to operate as a 50 watt monophonic amplifier, the outputs of Warning: Do not parallel the amplifier out- the two channels combine to produce a puts when using the amplifier as a stereo single 50 watt output. -
Page 9: Line Output-Mono
Turn the volume control on be adjusted to match the input voltage sen- the source equipment to the 12 o'clock posi- sitivity of the MC225 to the output voltage of tion (half rotation). Turn up the GAIN con- the program source. - Page 10 The volume control on 12 o'clock (half rotation) position. Turn the the program source equipment now has the "RIGHT MONO GAIN" control on the MC225 most convenient amount of loudness change until the loudness of the sound from the in either direction from the 12 o'clock position.
- Page 12 LABORATORY INC. 2 CHAMBERS STREET, BINGHAMTON, N. Y. Made in U.S.A. Phone-Area Code 607-723-5491 Form No. 225-HP-761-2M A A - 1 2 6 - 1 6 1 Printed in U.S.A.