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McIntosh c22 - page 1
STERE O PREAMPLIFIE R C2 2 CONTENT S 1 1 2 2 3 8 8 8 9 9 1 0 1 1 1 1 1 1 1 6 1 6 GENERA L DESCRIPTIO N TECHNICA L DESCRIPTIO N Mechanica l Specification s Electrica l Specification s FRON T PANE L INFORMATIO N INSTALLATIO N CONNECTION S A C Connection s A C Powe r Inpu t Connection s Outpu t Connection s Loudspeake r Phasin g Connections Groun d Co ...
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McIntosh c22 - page 2
C2 2 STERE O PREAMPLIFIE R GENERA L DESCRIPTIO N Th e Mclntos h C2 2 Stereophoni c Pream - plifie r i s a contro l cente r fo r any stereophoni c soun d system . T o increas e you r enjoymen t o f stereo , thi s contro l cente r doe s fou r job s wit h precis e control . First , th e contro l cente r amplifie s wea k electrica l impulses . A s th e ...
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McIntosh c22 - page 3
th e inpu t preamplifie r use d t o amplif y an d equaliz e signal s fro m phonograp h pickups , microphone s o r tap e heads . Skillfu l circui t layout , prope r grounding , an d adequat e shieldin g reduc e th e hu m s o lo w i t i s virtuall y unmeasurable . Extrem e car e i n manufactur - in g combine d wit h lo w nois e tubes , hig h specifi ...
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McIntosh c22 - page 4
Mai n Output : 2. 5 volt s wit h rate d input . Tap e Output : .2 5 volt s wit h rate d input . Lef t Plu s Righ t Output : 1 vol t fro m generato r impedanc e o f 25,00 0 ohms . Voltag e Amplification : Auxiliary , Tape , Tune r 1 , an d Tune r 2 : T o Mai n Output , 2 0 d b (1 0 t o 1) . T o Tap e Output , 0 d b ( 1 t o 1) . Phon o 1 an d Phon o ...
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McIntosh c22 - page 5
INPU T SELECTO R Figur e 2. INPU T SELECTO R switch . Selec t an y on e o f eigh t progra m source s wit h thi s switch : 1 . AUX : an y auxiliar y servic e requirin g fla t amplification , suc h a s a televisio n set , i s connecte d t o th e C2 2 throug h th e AU X position . 2 . TAPE : an y self-containe d tap e machin e (tap e machin e havin g ...
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McIntosh c22 - page 6
BALANC E CONTRO L TREBL E CONTROL S Figur e 5. BALANC E CONTROL . Us e th e C2 2 BALANC E contro l t o balanc e unequa l volum e i n th e lef t an d righ t channel s o f a progra m source . Th e volum e o f eac h speake r syste m relativ e t o th e othe r ca n b e varied , a t th e sam e tim e thei r combine d volum e leve l i s maintained . LEF T ...
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McIntosh c22 - page 7
fo r recording . PLAYBAC K . . . TAP E inpu t i s switche d fro m rea r tap e jack s t o fron t panel telephon e jack s (lef t tap e an d righ t tape) . An y progra m originatin g fro m a portabl e machin e con - necte d t o th e C2 2 ca n b e hear d b y rotatin g th e INPU T SELECTO R t o th e TAP E position . LEF T TAP E . . . telephon e jac k fe ...
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McIntosh c22 - page 8
LOUDNES S Figur e 12 . LOUDNES S switch . Us e th e LOUDNES S switc h i n th e COM - PENSATE D positio n t o liste n a t lo w volum e an d stil l hea r full-frequenc y range . Whe n yo u tur n dow n th e volume , th e musi c wil l see m t o los e muc h o f it s bas s an d som e o f it s treble . Thi s effec t i s du e t o th e sensitivit y characte ...
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McIntosh c22 - page 9
PANLO C BUTTON S At th e botto m fron t corner s ar e th e PANLO C buttons . Afte r a preamplifie r i s installe d o n th e PANLO C shelf , depressin g th e PANLO C button s wil l loc k th e preampli - fie r firml y i n position . Depressin g th e PANLO C button s a secon d tim e (a s wit h a ball-poin t pen ) wil l releas e th e preamplifier . Th ...
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McIntosh c22 - page 10
A C POWE R Plu g th e A C powe r cor d i n 10 5 vol t t o 12 5 volt , 5 0 t o 6 0 cycl e powe r line . Th e powe r use d b y th e C2 2 i s 3 4 watts . INPU T CONNECTION S Th e C2 2 provide s eigh t separat e progra m input s controlle d b y th e INPU T SELECTO R switch . On e inpu t fo r tap e monito r o r tap e compariso n i s controlle d b y th e ...
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McIntosh c22 - page 11
Figur e 16 . Turntable s feedin g low-leve l inputs . OUTPU T CONNECTION S Ther e ar e tw o set s o f output s o n th e lef t hal f o f th e bac k panel . (Se e Figur e 15 ) On e pai r i s marke d MAIN . Th e secon d pai r i s marke d TAPE . Th e MAI N output s connec t t o powe r amplifier s (figur e 17) . Th e TAP E outpu t feed s a tap e recorde ...
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McIntosh c22 - page 12
trols : INPU T SELECTO R positions , AUX , TAPE , TUNE R 1 , TUNE R 2 , o r MIC , th e MUTIN G switc h an d TUNIN G control . Whe n th e INPU T SELECTO R i s turne d t o TAP E H D the n th e COM P shoul d b e se t t o RIAA . Th e inpu t impedanc e o f th e tap e recorde r shoul d b e 50,00 0 ohm s o r greater . A jac k marke d L + R OUTPU T i s loc ...
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McIntosh c22 - page 13
COMPENSATE D position . 7 . Plac e th e TAP E switc h i n th e MONITO R position . 8 . Plac e th e PHAS E switc h i n th e 0 ° position . 9 . Plac e th e RUMBL E filte r switc h i n th e FLA T position . 10 . Plac e th e H.F . cutof f filte r switc h i n th e FLA T position . 11 . Tur n th e MOD E SELECTO R t o th e L + R T O L position . 12 . Whi ...
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McIntosh c22 - page 14
Th e LOUDNES S switc h o n th e C2 2 change s th e VOLUM E contro l t o a loudnes s com - pensate d contro l t o correc t fo r thi s effect . Whe n yo u wis h t o liste n t o musi c a t a greatl y reduce d loudnes s leve l an d ye t hea r bas s an d trebl e i n thei r prope r relationships , se t th e LOUDNES S switc h t o th e I N position . PHAS ...
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McIntosh c22 - page 15
CONTROL S s o tha t th e dia l indicator s ar e centere d betwee n th e pane l marking s L an d R . 8 . Adjus t th e VOLUM E contro l t o th e desire d volume . LISTENIN G T O A STERE O TAP E MACHIN E A stere o tap e machin e wit h it s ow n play - bac k preamplifier s shoul d b e plugge d int o th e AU X inpu t o r th e TAP E MONITO R input - no t ...
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McIntosh c22 - page 16
th e othe r th e onl y contro l tha t i s effectiv e i s th e TAP E JAC K switch . (Note : Som e portabl e tap e machine s wil l driv e th e C2 2 eve n thoug h th e TAP E JAC K switc h i s i n th e RECOR D position. ) Thi s i s no t a norma l circui t us e an d a distorte d signa l usuall y results . Fo r low - distortio n operatio n follo w th e r ...
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McIntosh c22 - page 17
You r C2 2 wil l giv e yo u man y year s o f pleasan t an d satisfactor y performance . I f yo u hav e an y question s concernin g th e oper - atio n o r maintenanc e o f thi s preamplifie r pleas e contact : Custome r Servic e Mclntos h Laborator y Inc . 2 Chamber s Stree t Binghamton , Ne w Yor k Ou r telephon e numbe r i s 723-5491 . Th e direc ...
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McIntosh c22 - page 18
LABORATOR Y INC . 2 CHAMBER S STREET , BINGHAMTON , N.Y . Mad e i n U.S.A . Phone—Are a Cod e 407-723-351 2 Be12200 2 038-02 7 ...
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