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PLUG
....
A form of mechanical
interconnector
used for quick
and easy connection
of components,
such as phone
plug, phono plug and AC plug.
POWER AMPLIFIER ....
An amplifier
designed
to operate
a
speaker
system.
POWER CORD ....
Cable
used
to
connect
a tape
recorder
to AC current.
PRE-AMPLIFIER ....
An
amplifier that
boosts extremely
weak
signal
voltages,
such
as
those
from
microphones,
magnetic
playback
heads or
phonograph
pickups,
to
a level that is
usable
by
po Iter
amplifiers,
and at the
same
time
accomplishes
the
necessary
equalization
for industry
standards.
PRE-RECORDED TAPES....
Recordi
9s on
tape that are corn-
mercially
available.
PRESSUREPADS
....
Felt
pads
ed
on
arms which hold
the magnetic
tape
in
dose
contact
with the
heads.
Mostly always
used
in
"0
e-motor"
tape
recorders.
SIGNAl-TO-NOISE
RATIO
....
I
'"
ra
io,
measured
in db's,
between
the
pure
so
end
the
noise induced
by
the recording
system
i
el.
SOUND-ON-SOUND
....
A
me
h
d
in
which
previously
re-
corded
material
on
one
ode
may
be re-recorded
on
another
track while simultaneously
adding
new
material.
SPLICING TAPE ....
A
special pressure sensitive non-magnetic
tape
used
for
splicing magnetic
tape.
STACKED HEADS ....
(See
In-Line
Heads.)
STEREOPHONIC SOUND ....
"Dimensional"
sound
reproduc-
tion achieved
through
the
use
of
two or
more sound
tracks recorded
through
microphones
so
placed
as to
provide
separation
of
sounds
and
heard
simultane-
ously
through
speakers
arranged
somewhat
apart
from each
other,
according
to the
size of the room
in which it is
played.
TAKE-UP REEL....
The
reel
located
on
the right
side'
of the
tape
recorder
which
accumulates
the tape
as it is
recorded
or
played.
TAPE DECK
....
A tape
recorder
designed
for use in
built-in
high
fidelity music systems.
It
is encased
in a
metal
cage
rather
than
a
carrying
case.
The electronics
usually
consist
of
record
amplifiers
and'
playback
pre-amplifier.
TAPE
GUiDES
....
Grooved
metal
posts
located
on either
side of the
head
assembly
to keep the tape tracking
properly
across the heads.
TAPE INDEX COUNTER
....
A
digital
counter
used mostly to
aid in
referring
to a
particular
portion
of tape.
/
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