JBL 6290 - Page 6

VOLTAGE
AMPLIFICATION:
Variable;
maximum
33
dB.
RISE
TIME:
Less
than
7
microseconds.
SLEW
RATE:
50
V/m
1
crosecond
Into
8-ohm
load.
DAMPING
FACTOR:
With
8-ohm
load,
greater
than
200
at
any
frequency
from
20
Hz
to
1
kHz.
CHANNEL
SEPARATION:
Greater
than
60
dB
at
1
kHz.
POLARITY:
Output
signal
Is
In
phase
with
pin 3
of
XL-type
connector,
tip
of
6.3
mm (1/4
In.)
phone
jack
and
the
barrier
strip
•'
+
"
terminal.
AC
POWER:
Typical
AC
power
consumption.
At
Idle
(approx. )
120
W
At
rated
output
1400 W
Both
channels
8-ohms
At
rated
output
2000
W
Both
channels
4-ohms
DC
OUTPUT
OFFSET:
^10
millivolts
maximum.
DIMENSIONS:
178
X
483
mm
(7
X
19
In.)
DEPTH:**
356
mm
(14
In.)
NET
WEIGHT:
28.58
Kg.
(63
lbs.)
SHIPPING
WEIGHT:
33.11
Kg.
(73
lbs.)
OPTIONAL
ACCESSORIES:
Attenuator
security
cover.
PROTECTION
CIRCUITRY:
The
amplifier
outputs
are
protected
against
short
circuits
and
are
stable
Into
reactive
loads.
Short
circuit
protection
Is
clean
with
no
degrading
characteristics.
The
loudspeakers
are
protected
against
amplifier
failure
by
2
Internal
relays
that
ground
the
load
If
excess
DC
voltage
Is
detected
at
the
output
or
upon
ITS
Al
low“a“ml
n
Imum
of
51
mmT2
In.)
behind
amplifier
for
connections.
1-3