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AA-100/AA-120 Audio Amplifiers Installation/Operation Manual — P/N 9000-0573:C 03/12/2020
Speaker Switching
Figure 2.3 Speaker Switching Configuration for the
AA-120/AA-120E (Class B) with AOM-2SF or AOM-MUXF (Class B)
Figure 2.4 Speaker Switching Configuration for the
AA-120/AA-120E (Class B) with AOM-2SF or AOM-MUXF (Class A)
A A -1 2 0 in s a m e c a b in e t a s A O M
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 rv is e d
C la s s 2 P o w e r -lim ite d
M o d u le p o la ritie s
a re s h o w n in a la r m
4 7 K E O L
R e s is to r
A 2 1 4 3 -0 0
N o te : A ll w irin g is s u p e rv is e d .
C o n tro l M o d u le
A O M
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 B
S p e a k e rs m u s t b e lis te d fo r fir e 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 .
u p to 7 0 .7 V
R M S
(.3 5 p o w e r fa c to r)
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 tro l
p a n e ls o n ly
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 re c o m m e n d e d
A A -1 2 0 /A A -1 2 0 E
U p p e r B o a rd
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 .
U p to 7 0 .7 V
R M S
(.3 5 p o w e r fa c to r)
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 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
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 )
B y p a s s
C a p a c ito rs :
A 2 1 4 3 -2 0
1 0 0 µ f, 1 0 V
N o n -p o la rize d
< 1 0 µ A le a k a g e
C u t re s is to r R 1 0 0 to
e n a b le h ig h -le v e l a u d io
o u tp u t w irin g s u p e rv is io n
in fo u r-w ire m o d e
A A -1 2 0 /A A -1 2 0 E
U p p e r B o a rd
B ackup
IN
B ackup
O U T
A A -120/
A A -120E
H igh Level
A ud io O U T
R 1 0 0
P 4 P 5 P 6
P 10 P 9 P 2 P 1
Tro uble
IN O U T
A udio
IN TH R U
P 3
70 V Transform er
C onn ection
(A A -120/A A -100E only)
S L C
E O L
R esister
Is in tern al
at
term in als
8 an d 9
P 7
P 8
