Classe audio dr 4 schematic

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BALANCED IN CD TUNER AUX TAPE IN

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LEFT CHANNEL SHOWN T 0 o 7
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GROUND
POST PHONO (4L; Aux 2)
.________.____1
/77 _
h.._{ +
4,7UF/63V BALANCED
INPUT
I _______________________ ____
: i A 5
- I BAL ;
I : a : -I >TI
I PHONO TUNER
I E : (4L: mu) (m Aux 2) E To MONITOR smTcu
I ; I : -4:>sw
: o~-: MOVING MAGNET PHONO . CD ;
MOVING COIL PHONO .' o-: I ;
I "\ I
I 0- I ______________
._ _________ : SELECTOR SWITCH

MM NOTE: NON-SELECTED INPUTS ARE
AUTOMATICALLY suoam) T0 GROUND.
MC/MM SWI TCH

comm: CLASSE AUDIO INC.

TITLE: DR-4/L PREAIPL IFIER

DESC: FLO! D I AGRAH

DRAVING N0: 4FD-I

DRAWN: DJR DAIE: MARL7/91L SHEET: I 0F 2

Page 2

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5 LEFT CHANNEL SHOWN
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MON I TOR SWITCH

BALANCE CONTROL VOLUME CONTROL + PLAY
PART A . -

; --4Lo+ , BALANCED

_ , ,,..__.f________jro_ OUTPUT
LINE STAGE "°l

OUTPUT

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: REGULAR
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LINE BUFFER °

& INVERTER _________
_______ I
OFF PART B UTE 0" -~-o TAPE OUT

- MUTE SWITCH

T0 RIGHT CHANNEL

T\

comm: CLASSE AUDIO INC.

TITLE: DR-4/4L PREAIPLIFIER

DESC: FLOW D I AGRAI

TAPE OUT BUFFER
ORAwTNc No: "0-2

DRAWN: DJR DATE: RAKE/9!. iSHEET: 2 0F 2