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SP9MKIII PREAMPLIFIER - (PHONO CIRCUITRY) - PAGE 1 of 4 PAGES
.-----e----------.--------------ti~--..,.
B+ 275
PHONO
INPUT
.
T-~i
.
!Tin
CHASSIS
46dB Gain at lkHz
RIM Equalized
·
01
R3
75K
RB
150K
+11.1
R18A+BIIC
15.7K
cs
.0048uf
AUDIO RESEARCH CORPORATION
5740
GREEN CIRCLE DRIVE
MINNETONKA, MINNESOTA 55343-4424
+4.9
8-5-93
R10
54.9
R9AIIB
20.6K
+174 _ _
'\/Vl,---------------t
ZD2
+
1N5245B
cs
27pf
015
1N916B
G
A61
15K
06
C35
6.8pf
To Se
Switc~
COMMON
R17
R15
475K
C7
562K
.0156uf
PROPRIETARY NOTICE: THIS DRAWING CONTAINS PATENTED, PATENT PENDING,
PATENT APPLIED FOR, AND/OR OTHER CIRCUITRY CONSIDERED PROPRIETARY BY
AUDIO RESEARCH CORPORATION AND IS FURNISHED ON A CONFIDENTAL BASIS
FOR IDENTIFICATION PURPOSES ONLY.
.
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