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1. SPECIFICATIONS
Semiconductors
FM Section
Usable Sensitivity .......
50dB Quieting Sensitivity . .
Signal-to-Noise Ratio
at 85dBf ...........
Distortion at 85dBf......
Capture Ratio...........
Alternate Channel Selectivity
Stereo Separation ........
MONO:
8.8dBf (1.5uV)
MONO:
= 13.2dBf (2.5uV)
STEREO: 36.1dBf (35uV)
MONO:
= 83dB
STEREO:
80dB
MONO:
100Hz
0.05%
1kHz
0.04%
10kHz
0.06%
STEREO:
100Hz
0.1%
1kHz
0.07%
10kHz
0.2%
WIDE
NARROW
eteNaege ye 0.8dB
2.0dB
puede ane et 30dB
85dB
TkHz:
55dB
20Hz to 10kHz:
40dB
Frequency Response .....
Spurious Response Ratio
. .
Image Response Ratio ....
IF Response Ratio.......
AM Suppression Ratio ....
Subcarrier Product Ratio ..
Muting Threshold .......
De-Emphasis Switch
(Switchable).........
Antenna Input .........
AM Section
Sensitivity
IHF, ferrite antenna. ...
IHF, external antenna . .
Selectivity ............
Signal-to-Noise Ratio... ..
Image Response Ratio ....
IF Response Ratio.......
Antenna .............
Audio Section
Output (Level/Impedance)
FM (100% MOD.) .....
20Hz to 10kHz £0.2dB
20Hz to 15kHz +92 dB
110dB
120dB
110dB
65dB
70dB
19.2dBf(5uV)
25us ~ 75ys
300ohms balanced
75ohms unbalanced
300uV/m
15yuV
WIDE; 20dB
NARROW; 50dB
55dB
70dB
65dB
Ferrite Loopstick Antenna
FIXED: 650mV/4.2kQ
VARIABLE: S0mV to
1.3V/3.6kQ
AM (30% MOD.)......
FIXED: 200mV/4.2kQ
~
VARIABLE: 15mV to
400mV/3.6kQ
Multipath
V (Vertical).........
300mV/10kQ
(AM 1kHz 30% MOD)
H (Horizontal) .......
400mV/7kQ.
(FM 1kHz 100% MOD)
Miscellaneous
Power Requirements .....
120V 60Hz only.
Power Consumption
.....
28W
Dimensions ...........
453(W) x 155(H) x390(D) mm
17-11/16 x 6-1/8 x 15-3/8in
Weight) so. ..005. 25003 29 Without Package:
9.3kg (20Ib 802)
With Package:
10.7kg (23lb 90z)
Furnished Parts
FM T-typeantenna................0002
cee eee 1
Connection Cord with Pin Plugs.................. 1
Operating Instructions ................0...000- 1
NOTE:
Specifications and the design subject to possible modifica-
tion without notice due to improvements.
POWER SWITCH
Set to ON position to turn on power. Pilot lamp will light up.
SIGNAL
METER
This meter indicates the antenna input level of the AM
and FM broadcasting waves. The higher the input level,
the more the meter deflects toward right. When selecting
the desired station, find the position of the tuning knob
which
effects the maximum
deflection of the meter
pointer. When selecting an FM station, also observe the
tuning meter to determine the optimum tuning point.
TUNING
METER
This meter indicates the optimum tuning point irrespec-
tive of the field strength when selecting an FM station.
With no signal, the pointer remains at the center; as a
signal is tuned in, it deflects to the right or left; when the
signal is tuned in accurately, the pointer will correctly
move to the center of the scale. If the tuning knob is ad-
justed further, the pointer deflects to the right or left; as
the signal moves off completely, the pointer returns to the
center position again.
MEMORY
MARKERS
Convenient for designating most often tuned in stations.
Slide markers with fingertip to desired positions.
2. FRONT
PANEL
FACILITIES
FM/AM
INDICATORS
These indicators light up during an FM or AM reception,
respectively.
FM-LOCKED
INDICATOR
With the function switch set to FM and the FM muting/
mode switch set to ON, this indicator lights up when you
take your hand off the tuning knob at the optimum
tuning point. This light indicates that the quartz locking
circuit has been activated by the built-in touch sensor de-
tector circuit and the frequency of the circuit is locked to
the frequency of the station.
FM-TUNE
INDICATOR
This indicator lights up when the optimum tuning point is
obtained.
FM-STEREO
INDICATOR:
This indicator
lights up when 'the tuner is receiving a
stereo program if the FM MUTING/MODE switch is set to
AUTO.
Pilot lamp
isle =|
OUTPUT LEVEL KNOB—
This knob is used to adjust the output level of the variable
output jacks. When it is rotated in the direction of MAX,
the output level is increased.
TUNING KNOB
FUNCTION
SWITCH
This switch is used to select the type of broadcasting
waves.
FM....
Forreception of FM broadcasting
AM....
For reception of AM broadcasting
=i
Tx-9SsoO
MPX NOISE
FILTER SWITCH
If a comparatively high frequency noise is noticed during
reception of a stereo program, this switch is set to ON.
Stereo separation will thereby somewhat deteriorate.
This switch should normally be kept OFF.
FM MUTING/MODE
SWITCH
When this switch is set to ON, unpleasant interstation
noise is eliminated,
which
makes selection of stations
easier. However, if the muting switch is set to ON in areas
where the field strength is extremely weak, the station be-
ing received may also disappear. In such areas, therefore,
the muting switch
should
be turned OFF. When
this
switch is set to OFF, monaural reception will be obtained
even though the station is broadcasting a stereo program.
FM-AM
IF BAND
SWITCH
FM and AM IF (intermediate frequency) passband can be
set to for wide or narrow.
This switch is used to select between NARROW
(narrow
band) and WIDE (wide band). In this way, it is possible
to change over the pass bandwidth of the intermediate
frequency signals.
NARROW ...
When tuning in the desired station, and if
adjacent station interference is a problem
at the WIDE
setting, set switch to this
position.
WIDE......
Set the switch to this position after the
desired station was received without ad-
jacent station interference.
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