Harman Kardon ST350 Owners Manual - Page 3

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INSTALLATION PROCEDURE Ventilation: The ST350 tuner is well ventilated in itself. Great care has been given to the design and chassis layout to insure proper component placement. The power transformer is extra heavy duty to reduce heat build up. It is necessary, however, to allow sufficient space around the tuner to permit proper air flow. Install the tuner in a manner to allow for unrestricted circulation. When mounting into a cabinet cut holes to the rear and above the tuner to allow the hot air to escape. Also allow at least 3" of space above the tubes. Do not place 'books or other objects on the cage or in the immediate vicinity of the tuner when installing on a bookshelf or table. This will reduce the air flow and may cause damage to the tubes and components. One further word of caution. When installing the tuner into a cabinet do not place it directly over the amplifier. Allow as much room as possible between the two instruments. The heat generated by the amplifier may cause deterioration of tuner components and performance. Power Requirements: Plug the AC cord into any outlet furnishing 117 volts, 50 or 60 cycle, AC current. The voltage may vary between 105 and 125 volts. An AC convenience receptacle is located on the rear panel of the tuner. You may us it as a power source for your tape player or phonograph. The total wattage is not to exceed 200 watts. Connecting The ST350 To An Amplifier: There are two output receptacles on the right rear of the tuner chassis. They are used to connect the ST350 to your monophonic or stereophonic amplifier. All connection between the tuner and amplifier must be made wih low-capacity shielded cable to prevent hum and noise pickup. Any length up to 50 feet may be used as the ST.3.50 has a special cathode follower output. Monophonic Connection: Attach a shielded cable between the tuner or auxiliary input of your monophonic amplifier and either the left or right output receptacle on the rear panel of the ST350 tuner. Stereophonic Simulcast And FM Multiplex Connection: Attach a shielded cable between each of the two outputs on the ST350 and the two tuner or auxiliary inputs of your stereophonic amplifier. The usual procedure is to connect the FM STEREO output to the left tuner or auxiliary input on your amplifier and the AM STEREO output to the right tuner or auxiliary amplifier input. This permits AM-FM simulcast reception or FM-Multiplex reception if the Harman-Kardon Model MA350 plug-in multiplex adapter is used with the tuner. AM Antenna: The AM swivel loopstick antenna on the rear of the ST350 chassis comprises all the antenna required for normal signal areas. In more remote locations an additional outdoor antenna may be required. This should consist of a single wire,

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INSTALLATION
PROCEDURE
Ventilation:
The
ST350
tuner
is
well
ventilated
in
itself.
Great
care
has
been
given
to
the
design
and
chassis
layout
to
insure
proper
component
placement.
The
power
transformer
is
extra
heavy
duty
to
reduce
heat
build
up.
It
is
necessary,
however,
to
allow
sufficient
space
around
the
tuner
to
permit proper
air
fl
ow.
Install
the
tuner
in
a
manner
to
allow
for
unrestricted
circulation.
When
mounting
into
a
cabinet
cut
holes
to
the
rear
and
above
the
tuner
to
allow
the
hot
air
to
escape.
Also
allow
at
least
3"
of
space
above
the
tubes.
Do
not
place
'books
or
other
objects
on
the
cage
or
in
the
immediate
vicinity
of
the
tuner
when
installing
on
a
bookshelf
or
table.
This
will
reduce
the
air
fl
ow
and
may
cause
damage
to
the
tubes
and
components.
One
further
word
of
caution.
When
installing
the
tuner
into
a
cabinet
do
not
place
it
directly
over
the
amplifier.
Allow
as
much
room
as
possible
between
the
two
instruments.
The
heat
generated
by
the
amplifier
may
cause
deterioration
of
tuner
components
and
performance.
Power
Requirements:
Plug
the
AC
cord
into
any
outlet
furnishing
117
volts,
50
or
60
cycle,
AC
current.
The
voltage
may
vary
between
105
and
125
volts.
An
AC
convenience
receptacle
is
located
on
the
rear
panel
of
the
tuner.
You
may
us
it
as
a
power
source
for
your
tape
player
or
phonograph.
The
total
wat-
tage
is
not
to
exceed
200
watts.
Connecting
The
ST350
To
An
Amplifier:
There
are
two
output
receptacles
on
the
right
rear
of
the
tuner
chassis.
They
are
used
to
connect
the
ST350
to
your
monophonic
or
stereophonic
amplifier.
All
connection
between
the
tuner
and
amplifier
must
be
made
wih
low
-capacity
shielded
cable
to
prevent
hum
and
noise
pickup.
Any
length
up
to
50
feet
may
be
used
as
the
ST.3.50
has
a
special
cathode
follower
output.
Monophonic
Connection:
Attach
a
shielded
cable
between
the
tuner
or
auxiliary
input
of
your
mono-
phonic
amplifier
and
either
the
left
or
right
output
receptacle
on
the
rear
panel
of
the
ST350
tuner.
Stereophonic
Simulcast
And
FM
Multiplex
Connection:
Attach
a
shielded
cable
between
each
of
the
two
outputs
on
the
ST350
and
the
two
tuner
or
auxiliary
inputs
of
your
stereophonic
amplifier.
The
usual
pro-
cedure
is
to
connect
the
FM
STEREO
output
to
the
left
tuner
or
auxiliary
input
on
your
amplifier
and
the
AM
STEREO
output
to
the
right
tuner
or
auxiliary
amplifier
input.
This
permits
AM
-FM
simulcast
reception
or
FM
-Multiplex
reception
if
the
Harman-Kardon
Model
MA350
plug-in
multiplex
adapter
is
used
with
the
tuner.
AM
Antenna:
The
AM
swivel
loopstick
antenna
on
the
rear
of
the
ST350
chassis
comprises
all
the
antenna
required
for
normal
signal
areas.
In
more
remote
locations
an
ad-
ditional
outdoor
antenna
may
be
required.
This
should
consist
of
a
single
wire,