McIntosh C33 Specifications

THE MclNTOSH C 33 SOLID STATE STEREO PREAMPLIFIERReading Time: 43 MinutesPrice $2.00

Two stereo power amplifiers or two delay unitsmay be connected in the same fashion to the OUT-PUT 1 and OUTPUT 2 jacks. Audio output signal issupplied

FM ANTENNAAC POWER TOTAPE RECORDERS,TUNERS, POWERAMPLIFIERS.TOTAL OF 1200 WATTS.FOR MORE AC POWERUSE THE SCR SPEAKERCONTROL RELAYAC POWERTURNTABLE #2-

MAIN SPEAKERSREMOTE AREA 2(CONTROLLED BYSPEAKER 2PUSHBUTTON)REMOTE AREA 1(CONTROLLED BYSPEAKER 1PUSHBUTTON)CONNECTIONS FOR POWERAMPLIFIERS AND LOUDSPE

CONNECTIONS FOR POWER AMPLIFIERS AND LOUDSPEAKERSUSING OPTIONAL SCR-2 SPEAKER CONTROL RELAY. CONNECTIONS ALSOSHOWN FOR TIME DELAY UNIT AND MONITOR AMP

Using the Front Panel ControlsLISTEN AND RECORDSELECTOR SWITCHESThe LISTEN input se-lector switch is locatedat the upper left on thefront panel. This

ProblemDeep bass to weakAll bass weakVoice reinforcementHum on programViolins, trumpets dullCymballs not audibleEqualizer CorrectionRaise 30Raise 30 a

(usually between 1.2 and 1.5). Now switch the ex-pander on and off. A change in the average listeninglevel will usually be heard at this time. Adjust

Using the PushbuttonsCOMPANDORThe COMPANDOR pushbutton connects the com-pandor to either the listen or the record programline. The red indicator light

ed such as rear channel reverberation units, colordisplays, etc. For example Output 1 or 2 can be con-nected to a reverberation device and then to the

Top Panel Information andSecondary ControlsCOMPANDOROperation of the LEVEL MATCH and SPEED con-trols is explained on page 13 under the CompandorSystem

VARIOUS REGULATORY AGENCIES REQUIRE THAT WE BRING THE FOLLOWINGINFORMATION TO YOUR ATTENTION. PLEASE READ IT CAREFULLY.WARNING: TO PREVENT FIRE OR SHO

Performance Limits and RatingsPERFORMANCE LIMITSPerformance limits are the maximum deviationfrom perfection permitted for a Mclntosh instru-ment. We p

PerformanceChartsFREQUENCY RESPONSEIN: AUX; OUT: MAINLF AND HF FILTERSMONITOR AMPLIFIER1001KFREQUENCY IN HERTZEQUALIZER FREQUENCY RESPONSECONTROLS SET

FREQUENCY IN HERTZ-20-PHONO HARMONIC DISTORTIONAT 2.5 VOLTS OUTPUT,05.04.0302.010HARMONIC DISTORTIONIN PERCENT20100FREQUENCY IN HERTZ1K10K 20KHARMONIC

-21-1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.09688807264564840322416801211109876543210MAXIMUM HIGH LEVEL INPUT IN VOLTSMAXIMUM PHONO INPUT AT 1k HZ I

Technical DescriptionThe simplified block diagram on page 3 and thedetailed block diagram on page 24 show how the C 33internal circuits are arranged.

tional amplifiers are arranged in circuit configura-tions that are equivalent to five series tuned circuits,each at one of the equalizer frequencies.

Block DiagramMclNTOSH C33 STE-24-

REO PREAMPLIFIER-25-

MclNTOSH LABORATORY INC.2 CHAMBERS ST., BINGHAMTON, N.Y. 13903-9990607-723-3512The continuous improvement of its products is the policy ofMclntosh Lab

Your C 33 Stereo Preamplifier is designedto perform to its specificationsfor many years. If youhave any questions, please contact:CUSTOMER SERVICEMcln

IntroductionThe Mclntosh C 33 is a super quality, high perfor-mance Stereo Preamplifier. Its design has beengoverned by insistence on great flexibilit

Simplified Block DiagramOne Channel Shown, Other Channel IdenticalMclNTOSH C 33 STEREO PREAMPLIFIER-3-

The PANLOC system of installing equipment con-veniently and securely is a direct result of Mclntoshresearch. By depressing the two PANLOC buttonson th

use a file to square the corners and smooth any ir-regularities in the cut edges,5. Install the Mounting StripsIn the hardware package you will find t

-6-Simplified Connecting Diagram

How to ConnectRear panel input jacks are provided for 2 stereoturntables, PHONO 1 and PHONO 2; a stereo tuner,TUNER; 3 stereo tape recorders, TAPE 1,