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These controls are mounted just behind the C22 front panel. Now you can adjust the output level controls, low frequency trim controls, tape equalization controls, phase switch and pilot lamp intensity switch. The preamplifier will lock in this position approximately 3 inches from the mounting panel.
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The preamplifier can now slide forward to the ADJUST position. To unlock the preamplifier, depress the front panel PANLOC buttons a second time. Depressing the PANLOC buttons on the front panel locks the preamplifier firmly into place for normal operation. In the PANLOC system a metal shelf is mounted first, then the preamplifier slides into position on this shelf.
MCINTOSH C15 SERVICE MANUAL PROFESSIONAL
PANLOC is the first professional installation technique to be used on stereo instruments. The PANLOC system givesyou absolute ease of installation, operation, and maintenance. The C22 also uses the new, exclusive Mclntosh PANLOC method of installation. A control center is needed to select and switch these sources separately or in combination.Īll of these jobs are performed with excel. The control center must accurately compensate for this equalization introduced in the recording process.įourth, programs can originate from several sources such as tuners, records, tape machines, microphones, etc. Third, all stereophonic and monophonic records, both domestic and foreign, are recorded with specific frequency equalization. To compensate for these conditions, a high-quality tone control center is needed. Also, people listening to the music have varying ideas of correct tone balance. The tone balance of the music is affected by variations in environment. Second, every sound system is used in a different acoustical environment. To amplify and preserve the information in such an electrical impulse, the finest amplifier performance is required. From this slight mechanical movement, the pickup stylus generates a weak electrical impulse on the order of a few thousandths of a volt. As the record rotates on the turntable, undulations in the grooves move the pickup stylus approximately one thousandth of an inch, in any direction, from the rest position. To increase your enjoyment of stereo, this control center does four jobs with precise control.įirst, the control center amplifies weak electrical impulses. The Mclntosh C22 Stereophonic Preamplifier is a control center for any stereophonic sound system.