Acoustic 136 Manuel d'instruction - Page 6
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NPUTS (Hish and
Low Gain)
(U
(21
The first input (1)
is louder than the second
input (2). The first input (1)should
be used
in
most
cases
to
achieve
maximum signal-to-noise ratio; however,
if
your instrument puts out
such
a
large signal
that you
can
turn
the volume control just a
little bit
above
the
off
position, then
use
the
second
input
(2) to cut down on the signal. There
is
no difference in tone between the
two
inputs
-
only volume. (No. 2 is 10 DB lower than No.
1.)
BRIGHT SWITCH
(3)
In the BRIGHT position, the treble
is
boosted in relation
to
the
bass
and mid-range.
lt
is
most
active
at
lower volume control settings and
decreases
in
activity
as
the volume control
(4)
is
advanced
to
avoid feedback and oscillations at high volume.
VOLUME
(4)
(71
The Volume Control
(4)
increases
the
volume
of
all
frequencies and special functions equally
with
the exception of the Bright Switch (3).
(See
aborye.)
TREBLE
(5)
(B)
The treble
circuitry
is
of
the
cut
and boost type. This
type of control
allows
you
a
great
deal
of
treble boost,
as
well
as
sufficient treble
cut for
maximum sustain
in the
mid-range
at
higher
power
levels.
Always keep
in
mind that straight up
is
flat.
Turning the treble control to the left of
center eliminates treble,
to the right of
center
increases
treble.
BASS
(6)
(e)
The
Bass
Control
is also
of
the
cut
and boost type. Flat (or normal)
is
straight up. To the
left
of center cuts
bass,
to the right of
center
boosts.
GROUND REVERSE
(10)
Under some conditions, the ground
reverse
switch can reduce or eliminate a persistant
hum
or click in the
strings. Set the switch
in
whichever position reduces
or
eliminates
the
oroblem.
POWER
OFF/ON
(11)
This turns
the
whole system
on
(see
hook-up procedure).
lf
everything is working,
there
might be a loud thump when you turn the amp on.
DoN'T pANlc.
This is
normal.
P/N 410059