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KA-4006 FEATURES
POWER AMPLIFIER SECTION
1.
Direct coupled with differential amplifier, purecomplementary symmetry amplifier circuits are used to assure superior sound quality.
2.
Complete protection of expensive power transistors is offered by
a
dependable AS0 detector type limiter protection circuit.
CONTROL AMPLIFIER SECTION
1.
Can type, dual low-noise operational amplifier ensures low distortion and high stability characteristics that are truly outstanding.
2.
A
DEFEAT switch
permits sound quality and acoustic compensation control, without
which
characteristics.
Convenient tape monitor and tape dubbing switches are provided.
3.
They enable listening to records or an FM broadcast while simul-
taneously dubbing
well.
4. 4 CHANNEL OUT-IN connectors are available. When desired
an adaptor or
form this unit quickly into
in
a
truly flat response is difficult due to circuit element
a
4-channel system.
is
provided in the tone control circuit which
a
tape, and permit checking the recording,
a
demodulator can be connected to them to trans-
a
Front or Rear Premain amplifier
as
OTHER SECTIONS
Both Low and High Cut Filters (6dB Octave) are available to
1.
prevent noise entry.
Inputs for practically any possible arrangement of program sources
2.
are available:
TUNER, AUX and 4CH-IN.
Two sets of Stereo Speaker Terminals and Front Panel Speaker
3.
Selector Switch permit operation of speakers in two separate
rooms simultaneously or separately.
Lever-type Muting Switch permits instantaneous silencing dur~ng WARNING: TO PREVENT FIRE OR SHOCK HAZARD, DO NOT
4.
telephone calls, etc.
2
pairs of PHONO and TAPE PLAY, and inputsfor
EXPOSE
THIS APPLIANCE TO RAIN OR MOISTURE.
CONNECTING YOUR
SPEAKER CONNECTING AND SPEAKER SWITCH
In connecting only one set of speakers, connect the right speaker
to right terminals and left speaker to left speaker terminals of
speaker terminals. Should plus or minus of either right or left channel
be reversely connected, sounds at the center section will be adversely
affected by lack of separation. To connect a second set of speakers,
connect right speaker to right speaker terminals and left speaker to left
speaker terminals of
Sound cannot be heard when the SPEAKERS switch on the front
panel is set to the A+B position, when only one pair of speaker system
is used with connections made either to "A" SPEAKERS terminals or
"6" SPEAKERS terminals. When connecting the speaker leads to the
SPEAKER terminals, make sure that the bare wire strands at the ends
of the speaker leads don't touch each other or adjacent terminal.
It is recommended that the tips of the speaker cord leads are
soldered, or the strands of each individual lead twisted together to
eliminate any possibility of short-circuits forming in the speaker connecting network.
"6" speaker terminals.
"A"
KA-4006
1
CONNECTION TO SPEAKER TERMINALS
I