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Philips N4450 - Technical Data

Philips N4450
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3.
TECHNICAL
DATA
(subject
to
change
without
notice)
@
Adjustable
to
mains
voltages
of
110
(100
-
120),
127
(115
-
130),
220
(200
-
230)
and
240
(230
-
250)
Volts
with
voltage
adapter
(52).
@
Suited
for
50
and
60
Hz
alternating
voltage.
Only
the
timer
(39)
should
be
set
to
50
or
60
Hz.
Accepts
reels
with
a
diameter
up
to
26.5
cm
(10
1/2”).
Tape
width
6.25
mm
(1/4").
Four-track
system.
Track
configuration
in
accordance
with
IEC
standards.
Three
tape
speeds:
19,
9.5
and
4.75
cm/sec.
Max.
playing
time
(stereo)
with
1080
m
tape
(26.5
cm
reel
with
LP
tape)
at
19
cm/sec:
2x1
1/2
hours
(reverse).
©
Fast
winding:
1080
m
tape
(26.5
cm
reel
with
LP
tape)
within
250
secs.;
540
m
tape
(18
cm
reel
with
LP
tape)
within
150
secs.
®@
Provided
with
two
head-systems,
each
consisting
of
one
erase
head,
one
recording
head
and
one
playback
head;
(six
heads
in
total).
®
Provided
with
two
capstans
and
two
pinch
rollers,
one
set
for
each
tape-transport
direction.
@
Equipped
with
one
Hall-effect
motor
(collectorless
D.C.-
motor)
for
driving
the
capstans
and
two
D.C.
motors
for
driving
the
turntables.
e
Tape
transport
reaches
nominal
speed
within
300
msecs.
Bias
reaches
nominal
value
within
100
secs.
Switching-time
in
the
case
of
“reverse”
is
max.
2
secs.
Bias
and
erase
frequency:
114
kHz
(+
10%).
Power
consumption:
max.
120
W.
©
Output
power:
2x
20
W
sinewave
power
*),
2x30
W
music
power.
@
Harmonic
distorsion:
less
than
1%
*),
@
Frequency
response
of
recorder
section;
19
cm/sec
without
filter:
40-
20,000
Hz
within
6
dB
40
-
12,500
Hz
within
3/5
dB
*)
40
-
16,000
Hz
within
6
dB
40
-
12,500
Hz
within
3/5
dB
*)
40
-
15,000
Hz
within
6
dB
40
-
12,500
Hz
within
3/5
dB
*)
with
filter
1)
:
9.5
cm/sec.:
4.75
cm/sec.:
60-
8,000
Hz
within
6
dB
1)
For
suppression
of
the
annoying
whistle-tone
during
stereo
radio
transmissions,
the
input
circuits
of
inputs
“TUN”
(tuner;
51)
and
“AUX”
(auxiliary;
48)
include
a
filter
which
reduces
the
frequency
range
for
both
inputs
to
16,000
Hz.
®
Mechanical
noise
(UAN-L1051):
<
37
dB.
@
RUMBLE
filter:
—10
dB
at
30
Hz.
@
SCRATCH
filter:
—12
dB
at
15
kHz.
e@
PHYS
filter
(physiology):
+14
dB
at
SO
Hz;
+6
dB
at
10
kHz.
@
Signal/noise
ratio:
Signal/hiss:
at
19
cm/sec:
2
50dB—D3=3%
*);
|
at
9.5cm/sec.:
>
50dB—D3
=
3%
*);
at
4.75
cm/sec.:
>
48
dB
-D3
=3
%.
Signal/hum:
at
19cm/sec:
2
45
dB
*);
at
9.5
cm/sec:
2
45
dB
*);
at
4.75
cm/sec.:
2
45
dB.
@
Wow
and
flutter
measured
with
EMT
420
A
acc.
to
DIN
45
507:
at
19cm/sec.:
<+
0.15
%
*);
at
9.5
cm/sec:
<+
0.2
%
*);
at
4.75
cm/sec.:
<<
+
0.35
%,
@
Max
speed
error:
at
19cm/sec.:
+
1%
*);
at
9.5cm/sec.:
+
1%
*);
at
4.75
cm/sec.:
+
2%.
@
Equalization
during
playback:
at
19cm/sec.:
50+3180
usecs.
at
9.5
cm/sec.:
90
+3180
psecs.
at
4.75
cm/sec.:
120
+3180
psec.
©
Dimensions
without
cover
(without
26.5
cm
reels),
vertical
position,
width
x
height
x
depth:
520
x
500
x
210
mm
(20
1/2”
x
19
3/4"
x
81/4”).
©@
Weight:
approx.
20
kg
(approx.
44
Ibs.)
.
®
Suitable
for
use
in
tropical
climates.
*)
Values
marked
with
an
asterisk
comply
with
the
Hi-Fi
standard
DIN
45
500.
The
characteristics
showing
the
frequency
range
of
the
amplifier,
recorder,
the
rumble
and
scratch
filters,
the
harmonic
distortion
and
physiology
will
be
found
on
the
last
pages
of
the
operating
instructions.
70

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