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Speaker Switching
P 3
P 10 P 9 P 2 P 1
T ro u b le
IN O U T
A A -1 2 0 /A A -1 2 0 E
10
C o n n e c t m o d u le s to
L is te d c o m p a tib le
G a m e w e ll-F C I c o n tr o l
p a n e ls o n ly
H ig h L e v e l
A u d io O u t
(2 5 V
R M S
N o t S u p e r v is e d
C la s s 2 P o w e r -lim ite d
A A -1 2 0 /A A -1 2 0 E
U p p e r B o a r d
Figure 2.3 Speaker Switching Configuration for the
AA-120/AA-120E (Class B) with AOM-2SF or AOM-MUXF (Class B)
S L C
H ig h L e v e l
A u d io O u t
(2 5 V
)
R M S
S u p e rv is e d
C la s s 2 P o w e r-lim ite d
7 0 V T ra n s fo rm e r
P 7
C o n n e c tio n
(A A -1 2 0/A A -1 0 0E o n ly)
P 4 P 5 P 6
A u d io
B a c k u p
B a c k u p
IN T H R U
IN
O U T
R 1 0 0
U p p e r B o a rd
Figure 2.4 Speaker Switching Configuration for the
AA-120/AA-120E (Class B) with AOM-2SF or AOM-MUXF (Class A)
AA-100/AA-120 Audio Amplifiers Installation/Operation Manual — P/N 9000-0573:C 03/12/2020
C o m m u n ic a tio n L in e
2 8 V D C m a x .
S h ie ld e d , tw is te d -p a ir
Is r e c o m m e n d e d
S p e a k e r S w itc h in g C ir c u it – N F P A C la s s B
S p e a k e r s m u s t b e lis te d fo r fir e p r o te c tio n
C o n tr o l M o d u le
A O M
M a x im u m L o a d : 4 3 .7 5 w a tts m a x .
M o d u le p o la r itie s
a r e s h o w n in a la r m
A A -1 2 0 in s a m e c a b in e t a s A O M
)
N o te : A ll w ir in g is s u p e r v is e d .
S p e a k e r S w itc h in g C irc u it – N F P A C la s s A
S p e a k e rs m u s t b e lis te d fo r fire p ro te c tio n
M a x im u m L o a d : 4 3 .7 5 w a tts m a x .
C o n tro l M o d u le
A O M
M o d u le p o la ritie s
a re s h o w n in a la rm
H ig h Le v e l A u d io R e tu rn
(4 -w ire m o d e re q u ire d
F o r A A -1 2 0 / A A -1 2 0 E )
P 8
C u t re s is to r R 1 0 0 to
A A -1 2 0/
e n a b le h ig h -le v e l a u d io
A A -1 2 0E
o u tp u t w irin g s u p e rv is io n
H ig h L e v e l
A u d io O U T
in fo u r-w ire m o d e
u p to 7 0 .7 V
R M S
(.3 5 p o w e r fa c to r)
4 7 K E O L
R e s is to r
A 2 1 4 3 -0 0
U p to 7 0 .7 V
R M S
(.3 5 p o w e r fa c to r)
E O L
R e sis te r
Is in te rn a l
a t
term in als
8 an d 9
B y p a s s
1 0 0 µ f, 1 0 V
C a p a c ito rs :
N o n -p o la riz e d
A 2 1 4 3 -2 0
< 1 0 µ A le a k a g e
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