Operation Manual

LRx 1.400 can accept one of the three optional kits which allow the subwoofer volume remote

control: VCR01K, VCRAK or VCRDK.

These kits have a specific module, VCA or VCA1D, to insert into the amplifier through the setting

panel.

REMARK: please use VCRDK kit when the amplifier LO-PASS filter is off (F1: ).

SETTING PANEL

VCA

FS4

FS3

FS2

FS1

15K

100K

33K

39K

SUBSONIC FILTER CUT-OFF FREQUENCY MODIFICATION

Replace FS1, FS2, FS3, FS4 resistors

according to the values in the setting

panel table.

10 mm

5 mm

Remark: Cut the new resistors

rheophores according to the

size in the picture.

Procedure:

VCA-VCA1D MODULES INSERTION

Installation:

1 - Remove BYP12 bridge.

2 - Insert VCA/VCA1D module.

- Insertion key. It prevents the module from

being inserted in the wrong way.

Subsonic filter is pre-adjusted at 20 Hz. In order to modify this value, please act according to what

ollo

ws.