Instruction manual

Auxiliary
Equipment
connection
("Pre-Amp
input"
receptacle)
Size
Weight
Finish
Designed
to
power
C
-8
and
other
Mclntosh
Pre-Amplifiers
13"
x
8"
x
8"
high,
chassis
type
construction
30.5
pounds
net
Chrome
and
Black
GUARANTEE
We
guarantee
the
performance
of
this
equipment
and
the
mechanical
and
elec-
trical
workmanship
to
be
free
of
serious
defects
for
a
period
of
90
days.
This
guarantee
does
not
extend
to
components
damaged
by
improper
use
nor
does
it
extend
to
transportation
to
and
from
the
factory.
Tube
Pin
No.
12AX7
1
(input)
2
3
4&5
6,7&8
9
U.
S.
Patents
No.2,
477,074;
2,646,467
others
pending
McINTOSH LABORATORY INC.
2
Chambers
Street
Binghamton,
N.
Y.,
U.
S.
A.
VOLTAGE
AND
RESISTANCE
CHART
DC
Volts
DC
Volts
AC
Volts
No
Signal
30Wout
30Wout
120 102
1.5
0 0
.42
1.1
1
.4
Filament
(6.
3V
AC
to
pin
9)
Filament
-4-
Resistance
Unit
Off
380K*
27K
(gain
C.C.W.)
3.3K
o
(hum
C.C.
w.)
0