A-2000 FRONT PANEL
UNiKA
A-2000/A-3000/A-4000
1. Rack Mounting Ears
- Two front panel mounting holes are provided on
each mounting ear.
2
.
AC Power
Switch
-
This
switch
is
used
to
control
the
unit
mains
power
.
3
.
Channel
1
Gain
Control
-
This
rotary
knob
is
used
to
control
the
output
signal
of
channel
one
.
Turning
the
knob
in clockwise
direction
will
increase
signal
output
.
4
.
Channel
1
Limiter
Switch
-
This
is
used
to
activate
the
channels
built in
limiter
.
The
limiter
reduces
the
average
input
level
when
the
signal
begins
to
distort
,
this
process
is
designed
to
reduce
distortion
and
protect the
speakers
.
See
limiter
at
page
14
.
5. Channel 1 Clip Indicator -
This red LED will begin to flash when the
channel begins to overload (clip), at this point the channel will begin to
distort. Under heavy clipping activity lower the channel’s gain control to
reduce the risk of damage to your speakers and amplifier. This LED may
glow when the unit has been turned off, this is normal.
6. Channel 1 Protect Indicator -
The red Protect LED will begin to glow
when the channel goes into protect mode. When the channel goes into
protect mode all output for that channel will turn off. This is to protect
any speakers connected to the channel.
7. Channel 1 Overheat Indicator (A-2000 only) -
This indicator will begin
to glow when the channel goes into thermal protection mode. When the
unit goes into thermal protection, channel output will turn off. This is to
protect any speakers connected to the channel.
8. Channel 1 Signal Indicators -
These green and yellow LEDs will glow
according to the average signal output.
9. Function Indicators -
These indicators detail the operating mode of the
amplifier. These LEDs will also function as a power indicator.
page 3
Figure
1
2
9
7
6
5
4
3
8
10
12
16
1
3
1
4
1
1
1
1
5
MONO
STEREO
BRIDGE
LIMITER
LIMITER
ON
ON
15dB
SIGNAL
10dB
5dB
CLIP
PROTECT
PROFESSIONAL POWER AMPLIFIER
POWER
-
-
0
10
0
10
-
ON
OFF
UNiK A
A-2000
OVER HEAT
CH-1
CH-2
Introduction
Rear Panels Set Up Speakon Assembly Operating Modes Protection Features Specifications
Front Panel