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McIntosh C20 Maintenance Manual
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McIntosh C20 Maintenance Manual

McIntosh C20 Maintenance Manual

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Download this manual See also: Service Manual, Owner's Manual
MAINTENANCE
MANUAL
C20
STEREO PREAMPLIFIER
(Serial No. 6L700 & above)

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Summary of Contents for McIntosh C20

  • Page 1 MAINTENANCE MANUAL STEREO PREAMPLIFIER (Serial No. 6L700 & above)
  • Page 3 Table 1. C20 VOLTAGE AND RESISTANCE CHART (Schematic No. SC117-201) DC Volts Resistance in Pin No. Tube No. Signal Ohms Unit Off 12AX7 130K* (V1) 2.2K -5.6 360K* — — 12AX7 130K* (V2) 2.2K -5.6 360K* 12AU7 120K* (V3) <50 1.8K -5.6 14K*...
  • Page 6 Your C20 will give you many years of pleasant and satisfactory performance. If you have any questions concerning the operation or maintenance of this pre-amplifier please contact: Customer Service Mclntosh Laboratory Inc. 2 Chambers Street Binghamton, New York Our telephone number is 723-5491. The direct dial area code is 607.