McIntosh MC225 Service Manual

Special components used in the MC225 are listed below.
These components are designed and built specifically for
the MC225. They may be purchased directly from Customer
Service, Mclntosh Laboratory Inc. When you order parts be
sure to give the SCHEMATIC NO. and DESCRIPTION from
Table 2 below, and serial and model number for your am-
plifier.
Table 2. MC225 SPECIAL COMPONENTS
(Schematic No. SC126-167A)
LABORATORY INC.
2 CHAMBERS STREET, BINGHAMTON, N. Y.
Made in U.S.A.
Phone-Area Code 607 723-5491
2M-AA126-170
COMPONENT NO.
C29A, B, C
L5
R45
SR1, SR2
SR3
Tl
T2
T3
DESCRIPTION
Filter Capacitor, 80-35/15 MF 500/450 V
Choke, Filter
Thermistor
Silicon Rectifier, 500PIV, 500 MA
Selenium Rectifier, 400 PIV, 75 MA
Output Transformer, Type M-220A
Output Transformer, Type M-220B
Power Transformer, Type M-221

McIntosh MC225 Specifications

General

Power Output	25 watts per channel
Total Harmonic Distortion	0.5% at rated output
Input Impedance	250k ohms
Output Load Impedance	4, 8, or 16 ohms
Frequency Response	20Hz to 20kHz (+0 -0.5dB)
Signal to Noise Ratio	90dB