SERVICE MANUAL
The continuous improvement of its products is the policy of McIntosh Laboratory Incorporated, who reserve the right to improve design without
notice. Because of the constant upgrading of McIntosh products’ circuitry and components, the Company cannot insure, and does not warrant, the
accuracy of the within schematic material, which is intended for information only.
McINTOSH LABORATORY, INC., 2 CHAMBERS STREET, BINGHAMTON, NEW YORK 13903 Printed in U.S.A. Part Number 040916
TUBE INTEGRATED AMPLIFIER
Summary of Contents for MA2275
Page 5: ...5 7 6 MA2275 BLOCK DIAGRAM...
Page 6: ...8 10 9 1 INTERCONNECT...
Page 7: ...11 13 12 MA2275 2A MAIN 049965 SH 1 OF 2...
Page 9: ...17 18 MA2275 CONTROL 049966 3...
Page 11: ...BALANCED 049967 4 MA2275 21 22...
Page 12: ...23 24 VOLUME TONE 049968 5A VOLUME TONE 049968 5B...
Page 16: ...31 32 AMPLIFIER 049971 8 R L...
Page 20: ...METER 049973 10 39 40...
Page 21: ...41 42 MA2275 BACKUP PS 050007 11 TERMINAL 050052 12 TERMINAL 050052 13...