7
Normal condition reel
The use
of
a
good qual:ity
reel is
an
preventing
damage
to the tape
edge or
Always use reels
of the same diameter.
Reels
which damage
tape
The reel
may
be wiirped
in
winding.
This
will
nol ocrur ir)
whose hub
is
perfectly
fitted.
important
point
in
uneven stretching.
a
Yo-Yo
shape due to
tight
re:ls
made ol
hard plastic
or
Re.els
warped in the shape
of a bowl will bend the tape,
resulting
in
the
so-called uneven
stretcl'ring. and
is
sometimes
encountered even
in
new reels.
Skillful
setting
of recording level
Two important
factors are required in
a
good
sound
tape.
One
is
that the frequency range
be
wide
and
the
other is
that it
has a minimum of distortion and
noise.
Although
the frequency response
is actually
determined
by the tape deck
perlormance
characteristics and
quality
of
the tape used, variation ol the
recording level has a
great
aflect on the end result.
ln
order to
make
a recording with
minimum noise,
it is
desirable to record at tl're highest
possible
level
just
before
distortion is ir:rtroduced. Even then, it is not
always
necessary
to
record at
the
maximum volume level ol the
music or to maintain
the
level meter indication at thg
dividing
line between the red
and black zone
(0
Vtr. It
must be kept in mind that any tape
will
suddenly
increase in
distortion.
and recording
sensitivity ol the high notes
will
slightly decrease wl'ren the recording Ievel
exceeds
a certain
point.
For this reason. a standard level of
0
dts is established
with an ample margin ol saletl taken into consideration.
In
actuality. it is best to become fully acquainted with
the
performance
of
tl.re
tape
and
the deck
you
are using before
determining the operating level.
Experimentation while
using
the
"Monitor"
leature
wrll
quickly
acquaint
you
with
the
best recording
level for the
type
tape
you
are
using.
If the
hub is not truly
perpendrcular
to the flange, the
wound tape will be
pressed
against the flange resulting in
a
seaweed form of tape.
Hang down
a
length
of tape to check straightness
ln
ll
XXXXO
Selecting
tape
speed
Two
different tape
L=9.5cms
(3%
ips)
can
A-
l
250.
The 19cm
speed is suitable
lor hi-fi recording of
music
and the
9.5cm
speed is
used for Back Ground Music
and
speech
recordings.
As the
9.5cm
recording
speed
provides
twice that
of the
19cm
speed in recording
time, if the
sound
quality
is
satisfactory
at
this
speed it
will be
more economical.
The level
of
quality
desired
in the
finished recording
will
determine
which speed
you
should use.
speeds,
H=i!.*,
(7%
ips) and
be
selected on the TEAC Model
R.lrlrif tjr
ror\'ro
re.orJLnt
tapl
tr!
tl
]!
lq
1C
50
9
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