Yamaha CS-50 Instruction Manual page 11

A4115H
control panel
THE
A4115H
SELF-POWERED SPEAKER SYSTEM
The Yamaha A41
1
5H
is
a
two-way speaker
system
with
a built-in
100 watt power amp.
It
produces
natural,
accurate
sound and smooth, wide
dispersion.
The
A4115H
can be driven directly
from
the synthesizer
output, or
from the
output of a
PM-170
or similar mixer.
In
the
studio,
the
sound can
be
taken
direct from the
synthesizer, or excellent results
can be obtained
by
placing a
microphone
near the
A41
1
5H.
On
the stage,
the
A41
15H's
high
sensitivity
and high
power
output
generate high
volume
levels
free of audible
distortion.
To
use the
A4115H,
set
the synthesizer
output
HIGH/
LOW
switch
at
HIGH,
set
the
A41l5H's INPUT
LEVEL
switch
to
the
"OdBm"
position,
and
set
its
INPUT
VOLUME
as required.
The
speaker's
HF
LEVEL
control
sets
the
volume
level
of the high frequency
horn
in
relation to the
low frequency woofer.
NOTE:
If
you wish to feed
two
or
more A4l15H's
from
one
synthesizer's output,
"chain"
the
A4115H's
together;
connect a phone-
to*
phone
cable
from
the
unused
input jack of the
A41
1
5H
being fed
by
the
synthesizer to
an input jack
on
the next
A41
1
5H,
and
so
forth.
Headphones
A
stereo
headphone
jack
is
provided under the key-
board
on
the
right side.
Use
any 8-ohm
or
higher
impedance
stereo phones. As a
rule,
however,
synthe-
sizers
sound
best
when
monitored
with speakers rather
than phones.
Getting
Sound
When
all
connections
are
made,
turn
ON
the synthe-
sizer
and
set all
controls
at
nominal except
its
main
VOLUME
control
[2)
,
which you
set
minimum. Then
bring
up
the
sound system volume
to a
moderate setting
and
adjust the synthesizer
volume
while playing a chord.
Remember,
as
with
most multiple-oscillator synthesizers,
the
CS-50 and CS-60 require about from
1
to
30
minutes to
warm up
tot full stability.
A4
1 1
5H
control panel