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dbx 160 Gebrauchsanweisung
SPECI
FICATIONS—
161
INPUT
Type
Actual
Impedance
Connector
Maximum
Level
Unbalanced
25K-ohms
RCA
pin jack
(phono
connector).
+1
7dB
(5.5V)
OUTPUT
Type
Unbalanced
Actual
Impedance
100
ohms
(typical); will
drive
low
or
high-Z
loads.
Connector
RCA
pin
jack
Max.
Level Bridging
(lOK-ohm
or greater
Z)
+18dB
(6.16V)
Matching
(600-ohms)
+16dBm
(4.9V)
Output
Level
Adjust
(Continuous)
±20dB
from
unity
gain point.
DISTORTION*
0.75% 2nd
harmonic
at
infinite
compression
at
+4dBm
output
0.5%
3rd harmonic
typical
at
infinite
compression
ratio
EQUIVALENT
INPUT NOISE
(Unweighted)
-78dBm,
typical,
(input shorted).
ATTACK
TIME**
(Time
to
reduce
signal
by
63%
of
level
change)
15
milliseconds
for
10dB
level
change above
threshold. 5 milliseconds
for
20dB
level
change above
threshold.
3
milliseconds for
30dB
level
change.
RELEASE RATE**
120dB
/second
COMPRESSION RATIO
Continuously
variable
from
1:1
to
120:1
(infinity).
THRESHOLD
Continuously
variable
from
10mV(-38dB)
to
3V(+12dB).
INDICATORS
One
L.E.D.
indicator turns
"on"
to
show when
the input
level
is
below
set
threshold;
another
turns
"on"
when
the input
level
is
above
threshold.
A
steady-state,
sine-wave
tone exactly
at
the threshold voltage causes
both
L.E.D.'s to
remain dimly
illuminated.
METERING
Range
Function
Calibration
60dB
(-40dB
to
+20dB)
Switchable
for
input
level,
output
level
or gain
change.
Rear
panel
potentiometer
sets
"OdB"
for
any
level
from
-10dB(250mV)
to
+10dB(2.5V).
POWER REQUIREMENTS
1 1
7V
AC. 50
or
60Hz.
8 watts
maximum.
•
The wideband
distortion
figures
appear
to
suggest
that
3rd harmonic
distortion
is
dominant.
Thus,
an unweighted
T.H.D.
f
Total
Harmonic
Distortion
)
figure
would
be
similar to the
3rd harmonic
value.
However,
the specific
breakdown
of
distortion
is
more
informative.
3rd harmonic
distortion
in
the
160
Series
decreases
linearly as the
frequency
rises:
at
100Hz
3rd harmonic
distortion
is
1/2 the value at
50
Hz,
etc.
•
•
Attack
and
release rates
automatically vary with
rate
of change of
program
level
(attack
and
release rates
"track"
the
signal
envelope).
Specifications are subject to
change without
notice.
dbx
PRODUCT
WARRANTY
FACTORY
SERVICE
All
dbx
products
are
covered
by
a
Limited Warranty.
Consult
your warranty
card
or
local
dealer
for details.
The
dbx Customer
Service
Department
is
prepared
to
give
additional assistance
in
the use of
this
product.
All
questions regarding
interfacing
dbx equipment
with
your
system,
service
information
or
information
on
special
applications
will
be answered.
You may
call
during
normal
business
hours
—
Telephone: 617-964-3210
or
write
to:
dbx,
Inc.
71 Chapel
Street
Newton,
MA
02195
Attn:
Customer
Service
Department
Should
it
become
necessary
to
have your
equipment
factory
serviced;
1.
Please
repack
the unit including
a
note
describing
the
problem
along with
the day,
month
and
year
of
purchase.
2.
Send
the unit
freight
prepaid
to:
dbx,
Inc.
224
Calvary
Street
Waltham,
MA
02154
Attn:
Repair
Department
3.
We
recommend
that
you
insure
the
package and
send
it
via
United
Parcel Service
wherever
possible.
4.
Please direct
all
inquiries
to the
dbx Customer
Service
Department.
Outside
the
United
States
-
contact
your
nearest
dbx
dealer for the
name
of
an authorized
repair center.