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Important for U.K.:
WARNING:
This apparatus must be earthed.
The wires in this mains lead are coloured in accordance with the following code:
Green and Yellow
: EARTH
Blue
: NEUTRAL
Brown
: LIVE
As the colours of the wires in the mains lead of this apparatus
may
not correspond with the coloured
markings identifying the terminals in your plug proceed as follows. The wire which is coloured GREEN
and
YELLOW
must be connected
to the terminal in the plug which
is marked by the letter E or by the safety
earth symbol += or coloured GREEN or GREEN and YELLOW.
The wire which
is coloured BLUE
must be connected to the terminal which is marked with the letter N or
coloured
BLACK.
or coloured RED.
The wire which
is coloured BROWN
must be connected
to the terminal which is marked with the letter L
CONTROLS AND SWITCHES
@ POWER switch
When this switch is set to ON, power is supplied
to the amplifier and the POWER
INDICATOR
@ lights up. There is a built-in muting circuit
so that the relays are actuated about 5 seconds
after the power has been switched on. Then the
amplifier starts normal operation.
(2) POWER
INDICATOR
This lights up when
the POWER
switch (@® is
set to ON.
(3) LOW FILTER switch
When
this switch
is set to the 15 Hz position,
low
frequency
noise
which
is generated
by
warps
in the records
is cut out.
It is wise to
keep
this switch
at the
15 Hz position since
it is effective
in cutting
out
low
frequency
noise outside the range of hearing which can
adversely
affect
the
speakers
(12
dB/oct.).
@ HIGH FILTER switch
Set this switch to the 8 kHz position when you
want to cut out scratch noise from records, hiss
noise
from
tapes
and
high-frequency
noise
when
listening to a broadcast.
This switch
is
designed
to cut out smoothly
the treble from
8 kHz at 6 dB/oct.
©) MODE switch
This switch allows any of five selections.
STEREO
REVERSE.
. .This reverses the left and right
channels.
NORMAL
. .
.This gives a normal stereo ef-
fect.
MONO
PR
Vee
oS
The
left
and
right channel
signals are mixed.
RC eee
Only the signals from the left
input
terminals
are
repro-
duced
through
the
left and
right speakers.
Res
2 edd oe Only
the
signals
from
the
right input
terminals
are re-
produced
through
the
left
and right speakers.
© BALANCE control
Adjusts
the balance
of right and left channel
levels.
@ CARTRIDGE
LOAD selectors
Use these selectors to set the load capacitance
and load resistance to levels that correspond to
the cartridge which is being used. The left-hand
knob is for load capacitance settings (100/200/
300/400
pF) and the right-hand
knob
is for
load resistance settings {(0.1/10/50/100 k-ohms).
Usually
with
moving
magnet
cartridges,
the
reproduction
characteristics
undergo
great
change
when
the
load
capacitance
and
load
resistance are varied. An illustration of this is
given in the figure below. It shows the charac-
teristics displayed
when
the load
capacitance
and
load
resistance
are varied when
Hitachi's
MT-202MKIL cartridge is used.
By selecting the load of the cartridge, the opti-
mum
values
can
be chosen
in line with
the
characteristics of the cartridge employing load
capacitance and load resistance. When both the
load
capacitance
and
load
resistance
of the
cartridge being used are specified, set the selec-
tors
to
positions
which
correspond
approxi-
mately to these values. If it is not clear exactly
what
these values are, take 100 pF and 50 k-
ohms as the reference. Other combinations may
also be tried out if they yield a sound quality
which
meets
the individual
preference of the
listener. The 0.1 k-ohm position for load resist-
ance
is for high-output
moving
coil cartridges
(those
which
do not
require
a booster
trans-
former). Do not set the selector to this position
for moving magnet cartridges.
Response
(dB)
+
-202MKIL
Load capacitance:
100 pF position
Cartridge u:
Ik
2k
Sk
Sk ~~ 0k
SCO
Frequency (Hz)
Response
(dB)
Cartridge used:
2
Load resistance
50 k-ohms position
Ik
2k
5k
10k
20k
40k
Frequency (Hz)
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