Download  Print this page

HP Barney Oliver Manual page 6

Hide thumbs

Advertisement

Front Panel Controls
balance control are eliminated. (Note: Identical
speakers are assumed. Good quality speakers of
good manufacture will
of each other over the audio range.
the two channels of a
ever, the
and introduce appropriate loss into
the "hot" side.)
E.
Equalization
+6 dB)
Below the INPUT selector
tive only in the PHONO position of that control,
a three-position slide switch allows some compen­
sation for recording defects. In the center (Nor­
mal)
this switch provides the standard
RIAA equalization. In the left position, the high
response is dropped by 6
the right
the response is enhanced by
6 dB. Some manufacturers
conscientiously adhere to R IAA spec-
while others
2-2
be within 1 dB
may want
{-6 dB, RIAA,
and effec-
while in
as Deutsche
on
The Barney Oliver Audio Amplifier
enhance the high end to compensate for the
deficiencies of the usual playback
are
the -6 dB
correct this
If you find the +6 dB position
better in the majority of cases, your
your
need attention.
BASS Switch (F LAT, BOOST)
Located below the
control is the two-position BASS switch. In the
BOOST
the switch raises the response at
6
from 80 Hz down to 20 Hz. In the
BOOST position,
provided for the usual low-end roll-off of good
speakers.
fortunate
to have an
woofers with real poles at 80 Hz and 20 Hz
as LE-15A's or ALTEC 411-A's in 9 cu. ft. or
enclosures), the BOOST position will closely
compensate the low-end roll-off
bottom of the audio range. For
levels, the FLAT position is recommended.
If your
will help
FILTER
at 40
50
If you are
down to the
high sound
very
is
of

Advertisement

loading