Nikko STA8080 User manual

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POWER
SWITCH
FM TUNER SECTION
Sensitivity
FM Muting Sensitivity
Image Rejecteon
IF Rejection
S/N
Capture Ratio
Distortion
Stereo Separation
Carrier Leak
Selectivity
AM Suppression Ratio
4 CH. Composite Output
FM Antenna Impedance
AM TUNER SECTION
Sensitivity
Image Rejection
IF Rejection
Selectivity
S/N
SPEAKER HEADPHONE BASS TREBLE
SYSTEM JACK CONTROL CONTROL
SELECTOR LOW HIGH TAPE
SWITCH FILTER FILTER MONITOR
SWITCH SWITCH SWITCH.
TAPE 1
AMPLIFIER SECTION
IHF 2.0nV Music Power |HF 8 ohms
30uV 4 ohms
at 98 MHz 80dB RMS Power Rating Single CH. Driven
at 98 MHz 90dB 8 ohms
60dB 4 ohms
2.548 Both CH. Driven
0.5% 8 ohms
at 1000 Hz 38dB 4 ohms
19 KHz & 38 KHz 50dB8 Power Response +1dB 0.5% T..H. D.
+400 KHz 50dB Frequency Response +1dB Main Input
AUX Input
(FM 400 Hz 100%, AM 1000 Hz 30%) 40dB Distortion Rated Output
180mV 1W Output
Unbalaice 300 ohm Intermedulation 1W Output
Balance 75 ohm Input Sensitivity/Impedance
{at 1000 Hz RATED OUTPUT)
Main in
PHONO 1&2
S/N = 20dB 150nV/m AUX 1
at 1000 KHz 45dB AUX 2
at
1000
KHz
40dB
TAPE
MON.
1
&
2
+10
KHz
25dB
S/N
PHONO
50dB Other
SPECIFICATIONS
co
eer:
SIGNAL
FM
FREQUENCY
STRENGTH
CENTER
INDICATOR
METER
METER
DIAL
STATION
FREQUENCY
INDICATOR
Ne
STEREO
INDICATOR TUNING
LIGHT KNOB
BYERED
Mrz
KHz
320mV/t20K ohm
160mV/100K ohm
65dB
80dB
\
)
TAPE VOLUME FUNCTION FM
MONITOR CONTROL SELECTOR MUTING
SWITCH (OUTER SWITCH SWITCH
TAPE 2 KNOB) MODE
LOUDNESS gatANCE SWITCH
SWITCH = CONTROL
(INNER
KNOB)
140W Tone Control Bass at 70 Hz +10dB
200W Treble at 10 KHz +10dB
Loudness at 70 Hz + 9dB
55W/55W at 10 KHz +5.5dB
70W/70W Filter Low Filter at 70 Hz — 8dB
High Filter at 10 KHz —7dB
45W+45W Damping Factor 8 ohms 30 -_
60W+60W Power Line Voltage/Frequency ;
10 Hz—40 KHz 20V (or 220V/240V)/50/60 Hz
10 Hz—50 KHz Power Consumption Maximum 290W
20 Hz—50 KHz Working Semiconductor Devices
0.5% FET 2
0.1% Cc 2
0.2% Transistor 47
Diode 27
Dimension Width 455m/m 18”
1100mV/100K ohm Depth 370m/m 14-5/8"
2.2mV/50K ohm HEIGHT 137m/m 5-3/8"
160mV/100K ohm Weight 11 kg/24 Lbs

You
have
just
approached
an
exciting
new
dimension
in
music
listening
enjoyment.
With
your
purchase
of
the
Nikko
STA-—8080
Stereo
Receiver,you
have
secured
a
measure
of
“Daily
Happiness”
for
yourself
and
your
family.
Nikko,
translated,
means
just
that...
“Daily
Happiness.”
It
is
the
job
of
this
fine
receiver
to
do
some
translating
for
you...
to
take
broadcast
electronic
impulses
and
transform
them
into
the
enveloping
experience
of
music.
To
deliver
soothing
...
stimulating...
entertaining
listening
pleasure,
making
everyday
listening
an
enjoyable
event!
This
STA-8080
StereoReceiver
is
a
sophisticated
instrument
.
..
developed
by
some
of
the
world’s
most
creative,
technically
proficient
engineers.
This
Nikko
Receiver
is
the
product
of
one
of
the
world’s
leading
electronic
component
manufacturers!
The
Nikko
STA-8080
is
designed
to
achieve
the
ultimate
in
stereophonic
performance,
incorporating
many
of
the
latest
technological
advances:
Field Effect Transistors (FET)
Integrated
Circuits
(1.C.)
for
supertor
sensitivity.
Triple
Circuit
Breaker
Protection
for
malfunction-free
dependability.
This
manual
has
been
prepared
to
help
you
get
the
maximum
performance
from
your
Nikko
Receiver.
The
step-by-step
“How
To
Operate”
instructions,
Function
Explanations
and
Connection
Diagram
will
add
to
your
knowledge
. .
.and
enable
you
to
“tune
yourself
in’...
to
the
many
years
of
“Daily
Happiness”
that
lie
ahead.
PRINTED IN JAPAN

~
EXPLANATION
OF
FRONT
PANEL
POWER SWITCH
Pressing this switch will permit the STA-8080 to operate, and
repressing will turn this receiver to “OFF”.
SPEAKER SYSTEM SELECTOR SWITCH
OFF: Turn to “OFF” when using headphones.
A: Turn to “A” only when operating A speaker system.
A+B: Turn ta “A+B” when operating A and B speaker system
simultaneously.
B: Turn to “B" when operating B speaker system,
HEADPHONE JACK
Plug stereo headphone cord into this jack for private or monitoring
listening pleasure. '
LOW FILTER SWITCH
Switch “ON” to eliminate low frequency rumble noise from incoming
signal.
HIGH FILTER SWITCH
Switch “ON” to eliminate high frequency scratch noise from incoming
signal.
BASS CONTROL
LEFT CHANNEL (Outer Knob),
RICHT CHANNEL (Inner Knob),
click-stops in 5 steps at each of MIN
i and MAX side.
TREBLE CONTROL
LEFT CHANNEL (Outer Knob), adjust this knob for high frequen-
cles.
adjust this knob for high frequen:
cies, click-stops in 5 steps at each
of MIN and MAX side.
TAPE MONITOR SWITCH TAPE 1
TAPE DUBBING SWITCH TAPE 1 — TAPE 2.
Push
down
this
switch
to
check
tape
recording
with
headphones.
RIGHT CHANNEL (Inner Knob),
adjust this knob for low frequencies.
adjust this knob for low frequencies.
Ast
10.
11.
12.
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17
y natty GRO aed
(The tape recorder or deck should be equipped with separate recording
and playback head.) When setting FUNCTION SELECTOR SWITCH
(#12) to the “DUBBING” position, TAPE 1 plays and TAPE 2
records so that duplication from TAPE 1 to TAPE 2 can be made.
TAPE MONITOR SWITCH TAPE 2
TAPE DUBBING SWITCH TAPE 2 — TAPE 1.
Push down this switch to check tape recording with headphones.
(The tape recorder or deck should be equipped with separate recording
and playback head.) When setting FUNCTION SELECTOR SWITCH
(#12) to the “DUBBING” position, TAPE 2 plays and TAPE 1
records so that duplication from TAPE 2 to TAPE 1 can be made.
In addition to tape monitoring, 4-channel adaptor can be connected.
In this case, the switch must be in the “ON” position.
LOUDNESS SWITCH
Switch in “ON” position compensates for frequency loss at low
volume levels.
VOLUME CONTROL (QUTER KNOB)
For low volume, turn left; for high volume, turn right.
BALANCE CONTROL (inner knob): Click-stops at the top center
position.
FUNCTION SELECTOR SWITCH
AUX: Select AUX. 1 or AUX. 2 according to the output
level of auxiliary accessory to be used. Turn to “AUX”
when using other auxiliary audio accessories such as
crystal or ceramic type cartridge, tape recorder with
preamplifier, television output, ete.
Turn to “AM" when receiving AM broadcast.
Turn to “FM when receiving FM mono or multiplex
stereo broadcast.
Turn to “PHONO 1” when playing manual or automatic
record player equipped with magnetic type cartridge.
AM:
FM:
PHONO 1.
BTEREG
Miz
13.
14,
15.
16.
17.
18.
19.
20.
Q @
PHONO 2. Turn to “PHONO 2” when playing manual or automatic
record player equipped with magnetic type cartridge.
DUBBING: When making tape-to-tape duplication, perform along
with TAPE MONITOR SWITCH 1 or 2 turned on
as desired.
MODE SWITCH
A mode switch to allow you to select Monophonic or Stereophonic
operation to fit your need.
FM MUTING SWITCH
Switch “ON’ to eliminate unwanted between station background
naise.
TUNING KNOB
By turning this knob, you select the desired station frequency.
STEREQ INDICATOR LIGHT
{t lights up, to visually indicate STEREO FM MULTIPLEX broadcast
reception.
STATION FREQUENCY INDICATOR
Points out station frequency received.
FREQUENCY INDICATOR DIAL
Clear and easy-to-read slide rule dial that indicates precise STATION
FREQUENCY tocation,
FM CENTER METER
After the signal strength meter
maximum tuning point, for furth
(# 19) is turned closest to the
er precise tuning, adjust the tuning
knob ( #15} until the need!e of
center of the scale.
SIGNAL STRENGTH METER
he zero center meter points to the
When Turning Knob (#15) is turned to desired station, meter should
show maximum reading.

21.
22.
23.
24,
G8) GS)
pHOON yp TBE 4
fe 0 FM AND
B50008.
2 O-O 2) g
og
AUX 2 AUKI PHONO 2 PHONO 5
@ 3 ~~,
GROUND TERMINAL
Earth ground connection for RECORD PLAYER.
INPUT—TERMINALS
AUX—1 HIGH LEVEL Should be selected according to the output
AUX—2 LOW LEVEL _ level of auxiliary accessory to be connected.
PHONO 1 Piug cables of manual or automatic record player
equipped with magnetic type cartridge into these jacks.
PHONO 2 Plug cables of manual or automatic record player
equipped with magnetic type cartridge into these jacks.
(Should select PHONO 1. or PHONO 2 for connection).
TAPE IN/OUT TERMINALS
TAPE 1. IN: Connect the output plug of the tape deck into
this jack for playback of the tape deck and
TAPE MONITOR SWITCH (#8) is in the on
position for monitoring the recording by the
tape deck.
QUT: Connect the input piug of the tape deck into
this jack.
TAPE 2. IN: Connect the output plug of the tape deck into
this jack for playback of the tape deck and
TAPE MONITOR SWITCH (#8) is in the on
position for monitoring the recording by the
tape deck.
QUT: Connect the input plug of the tape deck into
this jack.
TAPE REC/P.B (DIN TYPE CONNECTOR)
TAPE 1 This connector is an extra input and output terminal for
European type recorder.
TAPE 2 This connector is an extra input and output terminal for
European type recorder.
(Connect 4 - channel adaptor with TAPE MONITOR
SWITCH (#9) turned on.)
23)
os,
TAME Z/4CH ADAPTOR
GUT;ZCH} INC4CH} OUT in
e000
25.
26.
27.
28.
29.
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an SI AZ GD UG
LEST RIGHT | LEET
~ ~~ Foot
TAPE!
»OO®
MAIN IN/OUT SWITCH
CONNECT/SEPARATE- Must be set to the “SEPARATE” position
only when connecting multi-amplifiers or
4-channel adaptor. (See #265.)
MAIN INPUT/PRE OQUTPUT/FM 4CH OUT PUT TERMINAL
MAIN INPUT (R/L): Main amplifier input terminals; for use when
it becomes necessary to bypass the STA-
8080 pre-amplifier. This function is ac-
complished in conjunction with switch
(#25) located in the rear of the STA- 8080
Provides output of pre-amplifier signals at
these terminals from the STA-8080 pre-
amplifier.
FM 4CH OUTPUT: Connect FM broadcast 4-channel adaptor.
SPEAKER TERMINALS (SPEAKER SYSTEM B)
PRE OUTPUT (R/L):
A. Connect right-side speaker cables to terminals “RIGHT” and
“GND”.
B. Connect left-side speaker cables to terminals “LEFT” and
“GND”.
C. “GND” markings are for correct phasing of both speakers.
SPEAKER TERMINALS (SPEAKER SYSTEM A)
A. Connect right-side speaker cables to terminals “RIGHT’’ and
"GND".
B. Connect left-side speaker cables to terminals “LEFT” and
“GND”
C€. “GNO" markings are for correct phasing of both speakers.
POWER SUPPLY CORD
Connect this cord into electrical AC receptacle.
31.
32.
33.
4.
35.
36.
EXPLANATION OF REAR PANEL
6) @ @) @
com uit
BREAKER, 1c
je ™ any
TOTAL AStw Max
NKMO ELECTRIC MFG.
PROD.
OF JAPAN
RIGHT GND LEFT GND
AC OUTLET (Unswitched)
Accessory power outlet. AC always available when receiver is plugged
into AC receptacle and is not controlled by the Main Power Switch
(#1).
Maximum capacity is 350 watts.
AC OUTLET (Switched)
This outlet is connected to, and turned “ON” and “OFF” by the
Main Power Switch (#1).
Maximum capacity is 100 watts.
CIRCUIT BREAKER (Primary)
The primary circuit breaker protects the receiver from major damage
due to overload or short circuit.
CIRCUIT BREAKER (Secondary)
LEFT and RIGHT outputs are protected against overload with their
respective circuit Breaker provided. When the output is unavailable,
press the red reset buttons. When the circuit breakers reoperate
even after pressing the red buttons, the STA-8080 is in trouble.
Check the speaker output cords for short-circuit.
AM BAR ANTENNA
Adjust this bar for optimum AM broadcast reception with minimum
noises.
ANTENNA TERMINALS
FM — FM — GND AM
3002 752
Connect balance-type antenna with an impedance of 300 ohms to
FM terminals and unbalance-type antenna of 75 ohms to FM and
GND terminals.
75Q COAXIAL CABLE
When the FM antenna is of 75-ohms coaxial cable type, the outer
earth conductor of the cable must be held with this holder and the
inner conductor connected to FM terininal.

CONNECTION DIAGRAM
LEFT
SPEAKER
FM
ANTENNA
AM
ANTENNA
TO AC
RECEPTACLE
ed
y
@|
ee
:
5)
RIGHT
oreeey
SYSTEM A
PHONO 2
MAGNETIC TYPE
SYSTEM B
RIGHT SPEAKER
PHONO |
MAGNETIC TYPE 2
és
TO AC RECEPTACLE
TAPE RECORDER |
Sp
SYSTEM
B
"2
TO
AC
RECEPTACLE
LEFT SPEAKER TAPE RECORDER 2

NOOR WN>
9
10.
11,
12.
13.
14,
15.
16.
17,
18.
19,
“HOW TO OPERATE ~
POWER SUPPLY CORD (#29) should be connected to electrical receptacle after all other necessary connections have been made.
Make sure POWER SWITCH (#1) is in the “OFF” position.
Connect speaker to SYSTEM B (#27) or SYSTEM A (#28).
Connect other components to their respective connectors on the rear panel.
Turn FUNCTION SELECTOR SWITCH (#12) to desired position.
Set STEREO/MONO (MODE) SWITCH (#13) to desired mode. Pressing it down will turn mode to mono.
Set VOLUME CONTROL (#11, outer knob) to zero position and BALANCE CONTROL (#11, Inner knob), BASS CONTROL (#6) and TREBLE
CONTROL (#7) to center position.
Set TAPE MONITOR SWITCH (#8 & 9) to their respective level positions.
Turn LOUDNESS SWITCH (# 10), FM MUTING SWITCH (# 14), LOW FILTER SWITCH (# 4) and HIGH FILTER SWITCH (# 5) to their respective
LEVEL position.
Turn SPEAKER SYSTEM SELECTOR SWITCH (#2) to desired position.
After checking each of the instructions above, connect POWER SUPPLY CORD (# 29) to electrical receptacle.
Press POWER SWITCH (#1) to turn on the STA8080.
Turn VOLUME CONTROL (#11, outer knob) to adjust speaker output levels.
Turn BASS CONTROL (#6) and TREBLE CONTROL (#7) to adjust low and high frequencies as desired,
AM RECEPTION: Set FUNCTION SELECTOR SWITCH (#12) to “AM” and turn TUNING KNOB (# 15) until you catch desired station with
maximum readling of SIGNAL STRENGTH METER (#20), and the needle of the zero center meter (#19) point to the center of the scale. —
FM MULTIPLEX or MONOPHONIC RECEPTION: Set FUNCTION SELECTOR SWITCH (# 12) to “FM” and turn TUNING KNOB (# 15) until
you catch desired station with maximum reading of SIGNAL STRENGTH METER (#20), and the needle of the zero center meter (#19} point
to the center of the scale.
MPX
STEREO
INDICATOR
LIGHT
(#16)
automatically
lights
up-when
FM
multiplex
broadcast
is
received
HIGH
FILTER
SWITCH
(#5)
should
be
in
the
“ON”
position
to
eliminate
noise
of
FM
broadcast
reception,
record
player,
tape
recorder,
Refer
to"“EXPLANATION”
for
operations
of
other
program
sources
(record
player,
tape
decks,
etc.)
NOTE:
Check
CIRCUIT
BREAKER
when
the
STA80Q80
does
not
work
even
if
all
the
necessary
connections
are
properly
made.
Push
the
reset
buttons
(#
32
& 33,
RED)
of
the
circuit
breakers.