JBL 6290 - Page 7

CONTROLS
:
I
ND
ICATORS
CONNECTORS
Input:
Ground
:
Output;
Power
;
failure
of
a
power
supply.
If
the
amplifier
overheats,
the
relays
open
until
the
amplifier
has
cooled
down.
The
relays
are
activated at
turn
on
and turn
off
to
prevent
thumps
In the
loudspeaker
during
system
power
up/down.
Independent
detented
level
controls.
Heavy-duty
Illumin-
ated
rocker-type
power
switches.
Recessed
stereo/dual
mono/brIdged
mono
mode
switch
located
on
rear
panel.
:
Individual
channel
clip
and
standby
Indicators.
’•STANDBY"
Indicates
action
of
output
relay.
3-pIn
XL-type
3
conductor,
6.3
mm
(1/4
In.)
phone
jacks,
and
barrier
strip.
May be
wired
balanced or
unbalanced.
Chassis
ground
and
audio
ground
connected
with
removable
shorting
strap
on
rear
panel
barrier
strip.
Color
coded
5-way
binding
posts
on 19
mm
(3/4
In.)
centers.
1.5
m
(5-foot)
3-wIre AC
power
cord
with
U-ground
male
connector
.
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