Harpers NL-404 Service manual
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The
two tracks
Recordrngs
from
the microphone.
The
as follows:
Reel Size
5"
Model NL-404
Harpers Model NL-404
material
of
two speeds
(600
ft.
)
standard-width
on
made from
can be
arcIL/2 and
is
designed to operate
GENIERAL
Harpers lnternational,
New York
INFORMATION
is
a
tuo-speed tape recorder designed to
recording
phonograph,
a
3 3/4 ips.
3 3/4 ips
I hour
Supplied
3 15
Fifth
tape.
radio, television receiver,
Using both
on 60 cycles, ll0-120 volts, AC supply
By:
nc.
I
Avenue
16,
New York
play
traeks, the recording
7
I,/
and record
or directly
times
ips
r/2
2
hour
only.
are
3
o
trr-
F=
-!
3A
1?n
jr
ra
o
s
HOWARD
The lieting
not
congtitute in
guarantyby
and eultability
these
to
cQ498
parts
Howard
Howard W.
have
W. Same
W.
of
any available replacement
any case
of euch replacement
been
Sams &
compiled
&
Co.
a
,
recommendation,
Co.
from
Inc.
,
SAMS
part
herein
,
part.
by
Inc.
warranty or
as to the
,
numbers
The
lnformatlon furntehed
the manufacturers of
&
does
quality
ea
t+t
-l
cr:)
et
|o.r
G
of
(C.
I ll
particular
the
ductlon or use,
pictorial
liabitity
tion
Indianapolis
oATt
content,
is
contained
t0
lndlanalrolls
type of replacement
express
vithout
in
manner, ts
any
assumed wlth
herein.
6, Indiana.
62
-
respect to the use of
1962
@
€i,
permission,
tloward
Printed
lndlana
part
listed. Repro-
of editorial
prohlbited.
Sams & Co.
W.
in
U.S.
patent
No
the lnforma-
Inc.
,
of Amerlca
000
sET
or
,
r0tDER
€
-l
€
F
E
t-l
-
eE
I
0n-0ff
-Volume
Turn
unit. Further
(
Selector
ing
Stop
Turning
Action)
Selects
control
position,
control
(
Line
Off )
knob clockwise
rotation
the different
in a
clockwise
counterclockwise
places
the
clock$ise
power
to turn
modes
the
increases
of operation.
direction
in the
unit
position from the
one
FUNCTION OF
on
the volume.
from
Rewind
OPERATI
to the
Turn-
the
mode.
Stop
CONTROLS
position, places
position
Monitor.
Speed Change
of thetape
remove
brass bushlng.
INSTRUCTIONS
NG
is
tlte
for Record, and
With the brass
Is 7
2 ips.
thumb screw
L/
in
unit
bushing on capstan(26)the speed
(27)from
Play model
the
third
To change speedto3
thecapstan andremove
the
position
second
4 Lps,
3/
for
Threading the Tape
Place a full reel
l.
(36).
Place an empty reel on take-up reel stand
2.
3.
Unwind
reel" Hold
tape slot.
the
Insert the
4.
radial
the reel se veral turng counterclockwise to
the tapeto thereel
reels.
Record
To
Rotate the On-Off-Volume control
I.
about
10
a section
Make sure the
rear of the
free end
in the hub
slots
f
rom Microphone
turn the recorder
tubes
to warm up.
2. Insert
3.
the microphone
Set the
speed
for
4. Turn the Selector knob
Hold the microphone about
5.
your
mouth and
Adjust
6.
N0TE:
the
volume control until
indicator flashes
Correct
Tooweak
back
volume level
a signal willresult
and high
tape
of
inches
on
of tape from the supply
and insert it in
taut
dull-coated side laces
recorder.
the tape into
of
of the take-up reel. Turn
and
take upall slack between
Allow sufficient time for
on.
plug
into
the desired speed"
to the
6 to 12 inches from
in a
speak
on the loudest
normal
is
veryimportant.
background
strong a signal will result
during
Recording
Radio
following
I. Using
ifrFT6-iffiii[6"
knob
monitored while recording, by turning the
tor
Microphone
2.
playback.
Programs
Radio
programs
method,s:
Radio
T\rner - Connect the output of t}te
to
"Record"
knob to the
Pickup
may
be
jack
position.
'Monitor"
from
recorded
and
The
position.
Speaker of
supply reel stand
(?).
t]te
one of the
fasten
clocktpise
the'Mike"
record
voice.
the
passages.
in
weakplay-
noise.
in
distortion
by one
turn
program
record level
the
jack.
position.
Too
of
Selector
can be
selec
Radio
to
the
front
ume
tone
ing level
Record
Direct
3.
on one
end. Connect
voice-coil
insert the
the radio
in
as
phone".
Direct
4.
phone plug
the radio speaker. Turn the
of
control to
control
from
Connectlon
end and
a normal
to treble or
and
record
Microphone".
two alligator
the
terminals
phone plug
Step
volume
2.
Set
and tone
the
described under
Connection toVolume
on one end. Connect
across the radio
phone plug
into
the
cording level and
Record
"To
radio
the
effect
To Record
from
phono-type plug
A
Ieads. Insert it into
described
To Record
cordlng Radio Programs".
under
Use
from
method 2,
from
volume
this setup.
on
and
Phonograph
t}te
Record
"To
a
Television Receiver
3,
level. T\rrn
high.
as
described
to Radio Speaker
clips on the other
alligator clips across the
radio
the
of
into
the
'Mike"
controls
recording level
Record from Micro-
"To
Control of
volume control. Insert
'Mike"
proceed
jack.
as
Microphone".
tone controls
is required
'Mike"
or
jack
from
Microphone".
4
as described
radio vol-
radio
tfie
the record-
Set
under
'To
Make
-
plug
hone
speaker
as
and
the
Set the
described under
The
and
jack.
Set
described
proceed
Radio
or
end,
other
the
re-
setting of
will have no
on the
and
pick-up
proceed
under
'Re-
a
-
as
Dual Track Recording
This recorderis
one-half of
two-track
completed,
(?),
stand
reel stand
tape
can be
Rewind
the
tape at a
designed
timel
recordlng. After
remove
turn
(36).
played
the full
the reel
Then make
back in
over and
to record and
thereby, resulting in
the first
reelfrom
another recording.
the same manner.
the take-up reel
place
it
play
on
recording is
on the supply
The
-
rewind
To
selector
-
in
lmob
the tape at a
to Rewind
position.
rapid speed turn the
PAGE
2
=
o
r'.
FT
zx
IF
itn
o
s
Play
To
Using Recorder
To
a
Recording
Thread
I.
the
Tape".
2.
Turn Selector
3. Adjust
ing
level.
To
use
1"
the
output
Leave
2.
Adjust
3.
4.
T\rne in
Erase
a
Recording
Any
the
the
the recorder
the Selector
the volume
the
recording
as
tape
Volumecontrol
as an
described
knob
to Play
Amplifier
as
the
of
tuner into
knob in
to
tfie desired
desired station.
on
ttre tape is
under
position.
to
t}re desired
for
a
an
amplifier,
the
Tuner
the
"Stop"
"Threading
listen-
Tuner
Radio
connect
jack.
position.
listening level.
automatically
erased before
recording
normal
to
the full
Edit and
To
NOTE:
I"
without
recording procedure
counterclockwise
Splice
is
It
track
without
ings
to
track.
Tape
maybe
tions,
sequence.
tween
spliced
For
2.
best results,
butt
ends tqether
wi.th
splicing
width"
a.new
recording
recording
Tape
impossible
affecting
be
edited
edited
or by
jammi.ng
Announcements
selections,
for
reuge.
tape.
but set
position.
to
should
by
etc.
cut
tape
and
Trim
is
made.
new
material,
the
edit and
the
other.
be
limited
cutting
fasten
outunwanted
selections
can
Unused
at a
on the
off
volume
splice
Record-
to
into
inserted
be
tape
slight
glossy
any
To erase a
follow
the
control
one
one
por-
another
be-
can
be
diagonal,
side
excessive
PAGE
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