Harman Kardon HKD3400 Owner's Manual page 8

IMPORTANT: When connecting two pairs
of speakers, determine the impedance of
each pair by looking on the back of the
speakers, or in your owner's manual, or by
contacting your dealer or manufacturer.
Then refer to the following chart to see if
both sets may be played simultaneously.
Ifimpedance Can both pairs
of the two be played
pairs is: simultaneously?
82/80 YES
82/60. NO
82/40 NO
6Q/EQ. NO
6Q/4Q NO
40/40, NO
WARNING: Do not play both sets of
speakers simultaneously except as
recommended above. Receiver may
overheat.
VOLTAGE SELECTOR
AC(~) 230/240V SOHZ/60HZ
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