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HP Barney Oliver Manual page 12

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The Barney Oliver Audio
Proper stereo reproduction
be properly
insert a
reversing
switch
speaker as shown in Figure 3. Turn on the power
and the signal sources and bring up the volume. Set
the MODE switch to "DUAL". Station
exactly
midway between the
three feet in front of the p l ane of their front
baffles. Try reversing the switch. In the proper
position the sound should appear to
dead ahead of you. In the
illusion
disappears
and
independently. Unless the
the
above
test is
difficult,
the illusion is very
is easy to perform. Reconnect the
u
that the
To check
in
the
leads
to one
and about
from
this
b oth sources are heard
are
but
with
identical
and the test
pre-
AMPLIFIER
TION IV
AKER PHA
serving the proper
be done once. Return the MODE switch to the
normal STEREO-DIRECT
If, on the average, one channel seems louder
than the other, throw the MODE switch to the
STEREO-REVERSE
shifts to the opposite
program material is defective. If the loud channel
stays with the same
less
efficient.
identical, the weak one may be
the d·c resistance of the
be the same within
speakers for the two channels is
d1
Note:
3.
IN
This test need only
If the loud channel
the
the other
are
If
the
These should
The use of different
not recommended.
d2
must equal
Phasing
source or
is
supposedly
(Check
4-1

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