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McIntosh C-4 Instruction Manual
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McIntosh C-4 Instruction Manual

McIntosh C-4 Instruction Manual

Audio compensators
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INSTRUCTION MANUAL
MclNTOSH MODEL C-4 and C-4P
AUDIO C O M P E N S A T O R S
McINTOSH LABORATORY, INC.
320 Water St.
Binghamton, N. Y.
U.S.A.

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Summary of Contents for McIntosh C-4

  • Page 1 INSTRUCTION MANUAL MclNTOSH MODEL C-4 and C-4P AUDIO C O M P E N S A T O R S McINTOSH LABORATORY, INC. 320 Water St. Binghamton, N. Y. U.S.A.
  • Page 2 EQUALIZER OR PRE-AMPLIFIER WITH THIS UNIT IS NOT RECOMMENDED. INSTALLATION OF MODEL C-4 and C-4P AUDIO COMPENSATORS The C-4 and C-4P Audio Compensator may be mounted in any type equip- ment cabinet, relay rack panel, door, wall, etc., or in its own cabinet for chair side operation.
  • Page 3 Turn the volume control on the Audio Compensator clockwise until the power switch is activated. Allow thirty seconds for warm-up, then advance the volume control to "10". C-4: Adjust the hum reducing potentiometer on the power amplifier for minimum hum. C-4P: Adjust the hum reducing potentiometer on the power supply for minimum hum.

  • Page 4: Output Connections

    - 3 - The heaters of the 12AX7 tubes used in the C-4 are returned to ground through a hum reducing potentiometer in the power amplifier. Heaters of tubes used in the C-4P are returned to ground through a hum reducing potentiometer in the power supply.
  • Page 5 - 4 - TYPICAL INSTALLATION AUDIO COMPENSATOR C-4 TYPICAL INSTALLATION AUDIO COMPENSATOR C-4P...
  • Page 6 90 days. This guarantee does not extend to components damaged by improper use nor does it extend to transportation to and from the factory. McINTOSH LABORATORY INC. 320 Water Street Binghamton, N. Y., U.S.A.
  • Page 7 - 6 - BASS FREQUENCY TREBLE TONE CONTROLS FREQUENCY COMPENSATION CONTROL (PHONO CHANNELS ONLY) NOTE: ORTHOPHONIC, R.I.A.A.,NEW AES, AND NEW NART8 ARE IDENTICAL CURVES. FREQUENCY RESPONSE CURVES FOR AUDIO COMPENSATOR, MODEL C - 4 INTOSH LABORATORY, INC FREQUENCY RESPONSE BELOW 20 CYCLES 4-20-55...
  • Page 8 - 7 -...

This manual is also suitable for:

C-4p