QUAD 33 - Balance Control; Bass and Treble Controls; Loudspeaker Phasing

Balance
Control
This
merely
adjusts
the
balance of
the
two channels
and
after
initial
adjustment
it
should
require no
altera-
tion
for normal
listening
unless
a misbalanced
recording
or
broadcast
is to be
reproduced,
which
is unusual,
or
unless
the
position
of
the
loudspeakers
or
their
environment
is changed.
Bass
and
Treble
Controls
(See
page
l6).
The
musical
balance
of
a
programme is carefully
adjusted
during
recording
or
broadcasting
and
adjust-
ment of
the
bass
and treble
controls
should
not normally
be
necessary
unless an
inferior
loudspeaker
or the
listen-
ing
environment
produces
some effect
which
needs
correction.
Once
set
for a
particular
installation,
there-
fore.
these controls
should
be
little
used.
Small
deviations
of
the
bass control
will affect
very low
notes only.
Greater
deviations
aftect
not only
the very
low notes
to a
greater extent
but
also the
high bass
notes.
The
treble
control
afiects
brilliance.
Loudspeaker
Phasing
If, for
any
reason,
there
is any
doubt
about
the
way
in which
the
loudspeakers
are connected
(see
page
6)
their
phasing may
now be checked
by
playing
a
mono
disc
over
both
channels,
when the sound
should
appear
to emanate
from
a
point midway
between
them.
If
this
is indefinite
the connections
to
either
of
the
loud-
speakers,
but
not both,
should
be
reversed.
Correctly
connected
the speakers
will
give
a definite
centre sound
source
accompanied
by
a
more full
bodied sound
in
the
tenor
and
bass
registers.
Page Fifteen