manual
210x285mm 
Q
". 
~ 
1. 
With 
volume 
control 
R+ 
[> 
R-
stereo 
amplif
ie
r 
L-
L+ 
C~) 
C) 
o 
2. 
Without 
volume 
control 
~ 
R+ 
R-
stereo  [> 
L-
amplifier 
L+ 
(0 
R+ 
R-
L-
L+ 
PVC52 
In-Wall AlB Speaker Switch 
~_o----,---_
( 
_O_)---'
~
_O
--"'
S
l,
peake
r 
A 
_________ 
, 
r 
_
~ 
D 
D 
I----H
+ § 
I-----~~ 
~ 
+
~ 
I-----:~
-
@ 
: 
'--'='-
L 
________ 
_ 
,
---------
-
~ 
I-----c'-I 
, 
----
c"1
+ 
~ 
I 
~ 
~ 
+
~ 
I-----~ 
1-----
<-'1
-@ 
~-,------,-
~ 
'--'='-
o 
~ 
~
peake
rB 
PAIRA 
SPEAKERS 
PAIRS 
SPEAKERS 
0 
r:
peaker A 
C) 
, 
---------
i - ----0-
-, 
A 
D 
B 
D 
~
p e
ak e
rB 
C) 
0 
:+@ 
'  OH 
i 
---=--
:+ ----0-
:-@ 
:
~ 
L 
_________ 
, ---------
i - ----0-
:+@ 
, 
OH 
i 
---=--
:+ ----0-
:-@ 
, 
OH 
:
~ 
1 
______ 
---
PAIR 
A 
SPEAKERS 
P
AIR 
B 
SP
E
AK
E
RS 
• 
Volume 
control 
should 
be 
auto 
transformer 
type 
control. 
• 
The 
use 
of 
8 
ohm 
speakers 
is 
recommended. 
When 
A 
and 
B 
all 
selected, 
the 
net 
load 
to 
amplifier 
is 4 

