HP Barney Oliver, Руководство пользователя

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The Barney Oliver Audio Phasing
u
TION IV
AKER PHA IN
Proper stereo reproduction that the
be properly To check
insert a reversing switch in the leads to one
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 and about
three feet in front of the plane of their front
baffles. Try reversing the switch. In the proper
position the sound should appear to
from
dead ahead of you. In the this
illusion disappears and b oth sources are heard
independently. Unless the
are
the above test is difficult, but with identical
the illusion is very and the test
is easy to perform. Reconnect the pre-
AMPLIFIER
serving the proper This test need only
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 If the loud channel
shifts to the opposite
the source or
program material is defective. If the loud channel
stays with the same the other is
less efficient. If the
are supposedly
identical, the weak one may be
(Check
the d·c resistance of the These should
be the same within The use of different
speakers for the two channels is
not recommended.
Note:
d1
must equal
d2
3.
4-1