Audison LRX2 500 Owner's Manual download pdf (Page 9)

9

CONTROLS P

ANEL

F1

It permits to adjust LO-PASS filter cut-off

frequency between 40 Hz and 500 Hz.

9

F2

It permits to adjust HI-PASS filter cut-off

frequency between 40 Hz and 500 Hz.

10

F1 Q

It permits to adjust the LO-PASS filter

Q, varying the filter gain at its cut-off

frequency. It is useful to linearise the

system response in the HI-PASS and

LO-PASS crossover point.

8

LO-PASS

It permits to choose whether to send a

full range signal (BYPASS) or a 24dB/Oct.

LO-PASS signal for low frequencies (ON)

to the amplifier stage.

4

SUBSONIC

It permits to eliminate subsonic

frequencies; these sounds cannot be heard

by human ears but cause useless and

damaging stress to amplifier and speakers.

Subsonic filter can be bypassed (BYPASS)

and it is pre-set at 20 Hz. Its cut-off

frequency can be adjusted between 16 and

32 Hz through 4 Hz steps; this occurs by

replacing the special resistors located into

a socket which can be reached through the

setting panel in the amplifier bottom (see

“Subsonic filter cut-off frequency

modification”).

LEVEL

It permits to adjust the amplifier input

sensitivity and sets its output level.

6

PHASE

(0 /180 )

It permits to invert the phase of the

signal on the speakers output terminal

blocks. It is especially useful to

acoustically align subwoofer and front

system.

7

5

SAFETY (red LED)

It indicates that the amplifier protection

circuits are on. In order for the amplifier

to work again, you need to switch the

system off and then on after 10 seconds

at least. We recommend to check all

connections before switching the

amplifier on again.

If LED stays on, please contact Audison

authorised after sale centres.

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