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CONTROLS AND FEATURES
A1
B1
C¹
-20
-10
-30
100
-54
0
80
140
Mute
+6
50
200
D1
D. Phase invert buttons for each channel.
A. Volume or gain control with a range of
When active, this will invert the signal
mute to +6dB, default position is -10dB.
phase by 180°. This should only be used if
Channels 1 and 2 are inpedendantly
adjustable so that the level of both
there are polarity issues with your speakers
or room calibration issues. By default the
channels be matched indentically or
phase invert should be off.
individually trimmed. The volume controls
adjust in 2dB increments between -30 and
E. Single input mode is useful when you have
0dB. For fine tuning, it is recommended
a mono signal on channel 1 that needs to
that you adjust your subwoofer level using
sent to both channel outputs, such as a
your processor gain adjustment.
single subwoofer output from your receiver
B. Low pass filter control has a range of 50
that needs to be routed to two subwoofers
eg. Krix MX-5 and MX-10 systems (see
to 200Hz. By default the lowpass should
figure 3 single input, page 4). When single
be should be set to 200Hz to allow all
low frequencies below 200Hz to be
input mode is active you must use input 1
only (input 2 is unused). Both volume and
reproduced by the subwoofer(s). Then use
low pass controls remain independent for
the receiver's bass management controls
to select the desired crossover frequency
each output in single input mode.
of the subwoofer(s).
C. Limit LEDs have a dual function to indicate
output limiting and also input clipping.
When the output limiters are working, the
limit LEDs will flash (the amount of time
Mode
that the LEDs stay illuminated is directly
related to how much the limiter is working).
1
Some
limiting
may
be
considered
normal during standard operation, this
means that the amplifier is protecting
your subwoofers from damaging power
2
levels. If the LEDs stay on for long periods
of time you should reduce the volume.
3
If both limit lights flash in a distinctive
alternating strobe pattern, the input signal
to your subwoofer is too high. Refer to
Troubleshooting on page 7 for details.
C²
B2
A2
-20
-10
-30
KA-1100
100
-54
0
80
140
Mute
+6
50
200
E
F
D2
!
G
F. Mode button will cycle through 3 different
modes, the LED will indicate the current
active mode. Use the table below to select
the correct mode for your product.
WARNING To avoid damage to your
!
subwoofer, ensure the correct mode is used.
Selecting the incorrect mode can result
in over driving and overheating of your
subwoofers leading to permanent damage
G. Power LED has three normal states:
Red - Standby
Blue - On
Purple - Powering off
The unit may take up to 30 seconds to
power off after the unit is switched off or
mains power is lost. If the power LED is
flashing, see Troubleshooting on page 7
for details.
Product
Description
MX-5, Cyclonix 11
Limits the output to 300W @ 4 Ohms
with fixed high pass filters and variable
MX-10, Cyclonix 12
Limits the output to 500W @ 4 Ohms
with fixed high pass filters and variable
General subwoofer
Limits the output to 700W @ 4 Ohms
use
with fixed high pass filters,
low pass filters are
bypassed (full range mode)
5
H
Figure 5
H. Output
terminals
for
subwoofer. Connect the positive (red) to
positive, and negative (black) to negative
on your subwoofers (see figure 2 on page 3).
The speaker outputs are "dual hot" i.e. there
!
is signal on both positive and negative
terminals. This means that internally, the
outputs are already in a "bridged" or BTL
configuration and therefore the outputs
cannot be bridged again. As the negative
terminal is not connected to ground,
please take care that positive or negative
output terminals are not connected to
chassis ground or earth.
I. Unbalanced
RCA
inputs,
common connector type supported by AV
receivers.
J. Balanced XLR inputs, found on high
end AV receivers and processors. The
balanced inputs are attenuated by -6dB
in relation to the unbalanced inputs.
Please note: balanced and unbalanced
inputs should not be used concurrently.
You
should
remove
connector if using unbalanced inputs and
low pass filters
vice versa.
K. Trigger in is via a 3.5mm jack. The jack and
cable can be either mono or stereo. It is a
low pass filters
DC logic signal and can accept any DC
voltage in the range 5 - 18V. When the jack
is inserted with no trigger voltage (trigger
off) the unit will disable signal sensing and
immediately enter standby and the power
CONTROLS AND FEATURES
I
Or
J
connecting
to
LED will be red. When a trigger voltage
is applied (trigger on), the amplifier will
activate and the power LED will turn blue.
When using the trigger in the unit switches
off extra circuitry reducing the standby
power consumption to the lowest level.
L. AC in mains power switch completely
powers down the unit. You may wish to turn
off your KA-1100 amplifier if the amplifier is
not intended to be used for an extended
period.
M. AC in IEC socket connect the IEC lead
to AC input socket on the rear panel. The
KA-1100 is universally compatible with all
the
most
power sources within the range 100-240v
50/60Hz
the
balanced
6
L
KA-1100
1
KA1100-1.0 22021207
CAUTION
Risk of electric shock - Do not open
ATTENTION
Risque de choc electrique - Ne pas ouvrir
100 - 240 V~ 50/60 Hz
2.4 - 1.0A
K
M
Figure 6
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