dbx 166 Hızlı Başlangıç Kılavuzu - Sayfa 7
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Ayrıca dbx 166 için: Hızlı Kılavuz (17 sayfalar)
Sayfayı Yazdır
In
situations
with high radio-frequency interference
(RFI) but
unbalanced
sources,
wiring as
shown
in
3a and 3b
may
be
of use.
These
call
for
2-conductor
shielded cable
with
3-circuit
or
2-circuit plugs
and
use the
shield
as only
a
shield,
the
ground connection
actually being
made
with
one
of
the center ccmductors.
RiNe
AT
THI9
e>«
If
oevCLOM
TO
1M
AUDIO
JACK
Figure
3a:
Unbalanced
sources,
dual-conductor
shielded cable, stereo plug
CCMUCrCM
AT
THIS
DC
If
HJU
OCVCLORS
TO
1W
AUDIO
IKWT
JACK
Figure
3b:
Same,
mono
plug
Audio
outputs
and balanced and unbalanced
loads
The
two
audio outputs are driven
by unbalanced
single-ended
line
amplifiers
when-
ever the Bypass switches are not depressed. Abie
to drive
600-ohm
or
greater loads to
+21 dBv, these stages
are
suitable for
connection
to
most
studio
equipment, balanced
or
not.
Figure
4
shows
the balanced connection of the
set of
output terminals
to
balanced
inputs.
Note
again that
each
output has
signal tip/ring/sleeve
([+!t
[-3,
and
ground),
like
the balanced
inputs.
The
outputs are
connected
directly to
the
inputs
in
Bypass
mode,
so
a balanced
input
remains balanced
at
the output
when
the
unit
is
bypassed.
The minus
and
the
ground
terminals
of
each output
are
internally
connected whenever
the
unit
is
not bypassed.
t
R
S
FRCM
tl
OJTPiJTS
11
-
AT
THIS
OO
IF
HUM
OeVCLOPS
Figure
4:
Baianced
ins
and
outs,
dual-conductor
shielded cable, stereo plug
Figures 3a
and
b
show
the output connections
f(X'
unbalanced
loads
with
3-
and
2-circuit plugs.
As
with the
inputs,
a
2-circuit
plug
(5b) will
contact the
ring
(-)
contact
in
the
jack,
which
is
perfectly
okay
for
unbalanced
loads;
note
that
in
Bypass,
this
will
unbalance balanced
sources,
because
the
jack shorts
the
ring
(-)
contact
to
ground.
cte:
Figure
5a:
Unbalanced
loads,
single-conducts
shielded stereo plug
noM
OUTWTS
Figure
5b:
Same,
mono
plug
-
5
-