McIntosh C28 User Manual

THE MCINTOSH C 28 SOLID STATE STEREO PREAMPLIFIERReading Time: 37 MinutesPrice $1.25

VOLUME ON/OFFTurning the VOLUME totally counter-clockwiseturns the C28 OFF. The VOLUME control regulatesthe loudness in both channels. The VOLUME con-

Using The PushbuttonsThe C 28 is designed to be used with one, two orthree tape recorders, for example—tape playbackfrom a tape deck (one without its

tangle in BLUE above the pushbutton. The BLUE lightindicates that the main speakers are off and no pro-gram can be heard from them.To hear program fro

Listening to your StereoLISTENING TO STEREO RECORDSTurn the INPUT SELECTOR to PHONO 1, orPHONO 2, whichever is connected to the recordplayer you wish

to Tape Output 40 dBto Headphone/Line Output 70 dBTape Head at 500 Hzto Main Output 64 dBto Tape Output 44 dBto Headphone/Line Output 74 dBTRANSISTOR

chine 1 to tape machine 2 or vice versa. They aremechanically interlocked to accept only one push-button at the IN position at one time.LF FILTER SWIT

Performance Charts16

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Technical DescriptionBasically, each channel of your C 28 consists offour main parts: low level amplifier, high level ampli-fier, active filters and h

HIGH LEVEL AMPLIFIERThe linear high level amplifier has a gain of 20 dB.The same careful design considerations apply withrespect to noise and the redu

BlockDiagram20

MCINTOSH LABORATORY INC.2 CHAMBERS ST., BINGHAMTON, N. Y. 13903607-723-3512Design subject to change without notice.Printed in U.S.A.038-343

Take Advantage of 3 yearsof FREE Service . . .Fill in the Application NOW.Service Contract.. 1Installation.. 2, 3How to Connect.. 4, 5, 6, 7Adjusting

How To ConnectCONNECTING A RECORD PLAYER TO PHONO 1Connect the cable from the "left" channel of therecord player into the "L" PHON

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CONNECTING THE C 28 TO POWER AMPLIFIERSConnect the MAIN output jacks to the input of astereo power amplifier. The "L" jack is connected toth

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Adjusting The Top Panel ControlsYou will enjoy the best in stereo performance morewhen the stereo system is properly balanced. Forproper balance each

Using The Front Panel ControlsIn the upper left of the front panel is a concentriccontrol. The large outer knob is the BALANCE con-trol. The small cen