40
TREBLE
BALANCE
Varies
the
high frequency response
of
both channels
simultaneously. Clockwise movement from
the
center
position produces treble boost, and counterclockwise
movement
from
the
center
position produces trebl€
attenuation.
Adjusts
the
left
or
right channel amplifiers so
there
is
equal effective sound from
the
left and right channel
speake
~nterclock
wise movement from
the
center position, decreases
the
output
from
the
right
channel amplifier : clockwise movement from
the
center position decreases the
output
from
the
left
channel amplifier.
BASS
Varies
the
low frequency response
of
both
channels
simultaneously. Clockwise
movement
from
the
center
position produces bass boost,
and
counterclockwise
movement from
the
center
position
produces bass
HEATHKIT
This switch selects AUX input program materia
l.
TUNER
This switch selects H
..
n-er
program
ma
terial.
PHONO
This switch selects
phono
input
program material.
This switch selects
tape
,nput program material.
MONO
In tti e
on
position
, the
se
lected s1
;-a
1 1s applied
to
both
channels.
Therefor
e. the r
eprod
cc
t
io
n
'rom
the
riqht and left speaker
s,st
ems
,•,
Iii be the
sa
me.
In the
off
posi
tion, ie:t
and
rigtn cha
nne:
s,gnals
are
app
lied
to
the
co
rresponding l
eft
and ri<jlt channel
amplifiers.
Figure
1-7
SPKRS
Th
is
svmch connects
the
speaker system to the right
and left c
hanne
l amplifier
s.
Ou
tp
ut
si
gnals are present
at
the
PHONE jack regardless of the position
of
this
MON
(TAPE
MONITOR
)
With
th
is
S\Yitch i
r.
the
off
pos1
t;on
, any
prog-am
mater ia: being rec
orded
,
is
reproduc ed at
me
same
time by
me
speaker system.
Wi
m
the
switch
in
the
on
pos
,t,on. the prog<am materi
al
is
dis.:onnected from
the
am
plifier circui
ts
and
IS
unaffected by
th
e
VOLU';. E
con
trol. NOTE The rec0<der mater
ial
can
be
co
._pled back fr
orr
the tape recorder
(if
it has a
, e;::ar2'.e o
la
yback head} ,nto the Tape
,._.O
f,
(tape
,...,on
1~ X ' j
ac\c
s on the r
ear
of ttie
chas.stS
. Tn,s
p,.o·
.-
:
des
v
oi.:
with
1
n-s
~a-ntaneo<J S m
onito
ring
of
the
tape r
ecord
ing.
~
HEATHKIT
~
=tH®iHW-M
VOLUME
sound
level
of
both
channels simultane-
ously, Maximum
output
is
obtained
in
the
full
clockwise position.
PHONE
This jack can be used for stereo headphones.
Output
signals are present at
the
jack regardless
of
the
speaker switch positions.
POWER
In
the
on positi
on
, th
is
switch applies power to
the
in
ternal circu its
of
the
Amp1,f,er, and the SWITCHED
outlet
at
the
rear
of
the
chassis. With
the
switch
in
the
off
position, power
is
disconnected from
the
SWITCHED
outlet
and
the
internal circuits of
the
Ampl,f,er. Power
is
applied
to
the
unswitched
outlet
at
all times.
,..,
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