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7.3
HIGH-PASS mode
7.3.1
Description
In HIGH-PASS mode, the KARA is 100 Hz high-pass filtered and is intended to be used as a fill distributed system to
reinforce a main system.
7.3.2
Connecting KARA to LA8
The first two KARA enclosures are connected to the output channel pairs 1/2 and 3/4 of the LA8 controller. Two
additional KARA enclosures can be connected in parallel with each first one. Therefore a single LA8 amplified controller
can drive up to six KARA enclosures (see Figure 8).
Figure 8: Six KARA enclosures connected to an LA8 controller
7.3.3
[KARA_FI] preset
The [KARA_FI] preset features a nominally flat contour down to 100 Hz dedicated to short and mid throw distributed
system configurations. This preset is designed for a single element.
Activate the LOAD PRESET menu from the LA8 amplified controller front panel and then select the [KARA_FI] preset.
Refer to the LA8 User manual [3.4] for additional instructions. The preset is also accessible using LA NETWORK
MANAGER Software [3.4]. The accessible parameters in HIGH-PASS mode are shown in the following chart:
LA8 Inputs/
Outputs
IN A
IN B
OUT 1
OUT 2
OUT 3
OUT 4
* IN: input signal.
A, B: channel A, B.
KARA_UM_ML_1-3
Figure 7: KARA distributed reinforcement system example
OUT 1/2 (IN A)
Table 4: Accessible parameters in HIGH-PASS mode
Elements
Preset
to connect
assignments*
Input signal A
Input signal B
KARA enclosure
HF_A
KARA enclosure
LF: low frequency transducer.
w w w . l - a c o u s t i c s . c o m
IN A
IN B
OUT 3/4 (IN B)
Accessible (O) and blocked (X) parameters
Mute
IN_A
X
IN_B
X
LF_A
O
O
LF_B
O
HF_B
O
HF: high frequency transducer.
Gain
Delay
Polarity
O
O
O
O
O
O
X
X
X
X
X
X
X
X
X
X
X
X
EN
13 en
13
13
13
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