8 MX 2 P reamp / M ixer

8 M X 2
P r e a m
p
/ M ix e r
C o n t e n t s
In t r o d u c tio n :
1 .0
S p e c ific a tio n s :
2 .0
B lo c k D ia g r a m :
2 .1
In p u t / L im it e r :
3 .0
M a s t e r S e c t io n :
4 .0
R e a r P a n e l:
5 .0
P e r fo r m a n c e G r a p h s :
6 .0
A c c e s s o r ie s :
7 .0
P r e a m
8 M X 2
p
/ M ix e r
In t r o d u c t io n
In t r o d u c tio n :
A T I w o u ld lik e to c o n g r a tu la te y o u o n th is 8 M X 2 p u r c h a s e . A T I r e a liz e s th e
im p o r ta n c e o f a n y e q u ip m e n t p u r c h a s e a n d w o u ld lik e to a s s u r e y o u th a t s tr o n g
p r o d u c t s u p p o r t h a s a lw a y s b e e n a c o m m itm e n t o f A T I.
T h e H is t o r y :
T h e 8 M X 2 w a s d e v e lo p e d to s p e c ific a lly a d d r e s s a p p lic a tio n s in th e P r o fe s s io n a l
A u d io a n d B r o a d c a s t in d u s tr ie s w h e r e c o m p a c t h ig h p e r fo r m a n c e c ir c u itr y is
r e q u ir e d . In r e s p o n s e to th e w id e s c a le u s e o f H a r d D is k a n d ta p e b a s e d D ig ita l
M u ltitr a c k R e c o r d e r s fo r liv e m u s ic a n d film lo c a tio n s o u n d r e c o r d in g , A T I h a s
a p p lie d its a c c la im e d m ic p r e - a m p te c h n o lo g y to th e 8 M X 2 p r e - a m p /m ix e r . T h is
s a m e p r e - a m p d e s ig n is fo u n d in A T I ’ s P a r a g o n , th e r e fe r e n c e s ta n d a r d in s o u n d
r e in fo r c e m e n t c o n s o le s , a n d th e h ig h ly r e g a r d e d P R O 6 P r o c e s s o r . T h e s o n ic
q u a lity o f th e h ig h v o lta g e m ic p r e - a m p m a k e s th e 8 M X 2 a p e r fe c t d e v ic e fo r th e
m ix in g e n g in e e r b y in c lu d in g 8 M ic p r e - a m p s in o n e c h a s s is . A d d itio n a l v e r s a tility
w a s a d d e d w h ic h a llo w s m ix in g w ith p a n to a s te r e o b u s s o f e ith e r th e m u ltitr a c k
fe e d o r th e r e tu r n o f a ll 8 c h a n n e ls . In c lu d e d o n th e m ic in p u t c h a n n e l is a v a r ia b le
th r e s h o ld lim ite r w ith a n In fin ity :1 r a tio . In te r - u n it lin k in g w a s a d d e d to p r o v id e S la v e
/ M a s te r c o u p lin g . T h is d o c u m e n t w ill o u tlin e th e b a s ic b lo c k s o f th e 8 M X 2 a n d s h o w
s o m e u n iq u e w a y s in w h ic h th is d e v ic e c o u ld b e u s e d o n y o u r n e x t p r o je c t.
O v e r v ie w :
T h e r e a r e n in e a u d io b lo c k s th a t m a k e u p th e
C h a n n e ls a n d a M a s te r s e c tio n .
C h a
C h a
tw o
M ix
n n
n n
d u
L e
e l
e l
a l
v e
fro n
/ R e
c o n
l (In
t p
tu
c e
n e
a n e l s w
r n s ig n a
n tr ic c o n
r ) w ith M
M a s te r S e c tio n fr o n
( m o n ito r ) , C h a n n e l
s e le c t to P h o n e s ( m
th a t c o n tr o ls M ix L e
c o n tr o ls P h o n e s ( m
a re tw o 1 0 s e g m e n
O n
p in
c a r
M o
c a n
m in
th e re
D c o n
ry th e
n ito r s
e ith e
u s 1 5
%
a r
n e
c h
ig n
r b
itc h
l s e
tro
ix
e s in c lu d e
le c t fo r M ix
ls . In p u t g a
P a n (O u te r
t p a n e l s w itc h e
R e tu rn to P h o n
o n ito r ) w h e n In
v e l (In n e r) a n d
o n ito r ) le v e l. A
t m e te rs fo r L e v
p a n e l e a c h
c to rs a re p r
a n n e l o u tp u
a ls a r e a ll T
e 1 1 8 V A C o
to p lu s 1 0 %
8 M X 2 : E ig h t In p u t / O u tp u t / R e tu r n
C u e , P h a s e R e v e rs e , 4 8 V P h a n to m P o w e r,
le v e l & p a n a n d M ix a s s ig n m e n t. T h e r e a r e
in ( In n e r ) w ith L im ite r T h r e s h o ld ( O u te r ) a n d
).
s in c lu d e M ix O
e s ( m o n ito r ) , C
p u t C u e is s e le
M ix P a n ( o u te r
p h o n e s ja c k is
e l a n d G a in R e
c h a n n e l s e c tio n
o v id e d fo r in te r
ts a n d c h a n n e l
R S ja c k s . A ll in
r 2 4 0 V A C w ith
o f n o m in a l.
u tp u t /
h a n n e l
c te d . T
), a n d a
p r o v id e
d u c tio n
M ix 2 T r k R
p re / p o s t V
h e r e is o n e
s in g le s h a
d o n th e fro
m e te r in g .
e tu rn
C A s
d u a l
ft c o n
n t p a
to P h o n e s
ig n a l
c o n c e n tr ic
tr o l w h ic h
n e l. T h e r e
h a s in d iv id u a l G r o u n d L ift s w itc h e s
u n it lin k in g a n d tw o 2 5 p in D c o n n e c
r e tu r n s ig n a ls . M ix , M ix 2 T r k r e tu r n
p u ts a n d o u tp u ts a r e fu lly b a la n c e d
a m o r e th a n a c c e p ta b le o p e r a tin g r a
1 .0
. T w o 9
to rs
a n d
. A C in p u t
n g e fro m
8 M X 2
P r e a m
p
/ M ix e r
O v e r v ie w
S ig n a l F lo w
T h e p r o p r ie ta r y A T I m ic r o p h o n e p r e a m p lifie r w ill a c c e p t s ig n a l le v e ls fr o m 0 d B to
m in u s 6 5 d B . T h is p r e a m p lifie r h a s 4 8 + v e a n d 4 8 - v e p o w e r r a ils a n d p r o d u c e s
v e r y lo w T H D e v e n a t h ig h in p u t le v e ls o r g a in . T h e 8 M X 2 is p in 2 h o t. F o llo w in g
th e m a in g a in s ta g e th e r e is a p h a s e r e v e r s e s w itc h . T h e o u tp u t o f th e M ic
p r e a m p p a s s e s th r o u g h a V C A u s e d fo r h a r d w a ll lim itin g a n d fe e d s th e 2 5 p in D
m a c h in e s e n d m u ltip in c o n n e c to r o n th e r e a r p a n e l. T h e In p u t g a in c o n tr o l a n d
th e L im ite r th r e s h o ld h a v e 4 1 p o s itio n d e te n ts fo r e a s ily r e s e ttin g le v e ls . T h e
C u e s w itc h w h e n d e p r e s s e d a llo w s th e m o n ito r in g o f a ll s ig n a ls in th e c h a n n e l
a n d th e r e tu r n p a th s . S e e In p u t / L im it e r . M a c h in e r e tu r n 2 5 p in D c o n n e c to r
s ig n a ls fe e d b a la n c e d lin e in p u t a m p lifie r s o n e a c h c h a n n e l. S ig n a l fe e d to th e
M ix L e v e l / P a n c a n b e e ith e r th e c h a n n e l o u tp u t s ig n a l o r th e r e tu r n s ig n a l
( R E T ) . T h e M IX a s s ig n s w itc h p la c e s th is s ig n a l o n to th e M ix b u s s . S e e M ix
L e v e l / P a n . C h a n n e ls h a v e in d iv id u a l X L R G r o u n d lift, S e e In p u t R e a r P a n e l,
a n d 4 8 V P h a n to m P o w e r s w itc h e s , S e e In p u t / L im it e r .
T h e M a s te r s
P R E / P O S T
r e d u c tio n is s
d is p la y e d o n
v ia h e a d p h o n
P a n e l.
M ix
R ig
T rk
R ig
s e p
m
h t
(M
h t
a r
a s te r
o u tp u
IX ) R
M IX s
a te m
le
ts
e
ig
e c tio
V C A
h o w
a s e
e s o
n o f
o r c
n o n
c o n d
r th e
th e
h a n
a 1
1 0
m o
v e l a n d b a la n
o n th e re a r p
tu rn s a n d c a n
n a ls is d is p la
o n ito r le v e l c o n
8 M
n e l
0 s e
s e g
n ito
c e
a n
fe
y e
tro
X 2 a llo w s th e m
re tu rn . W h e n a
g m e n t d is p la y w
m e n t tr i- c o lo r d
r o u tp u ts o n th e
is
e l.
e d
d o
l is
a d u a l c o n
L e ft a n d R
th e m o n ito
n th e le v e l
p r o v id e d .
o n ito r in g o
c h a n n e l is
h ils t th e s
is p la y . T h e
re a r p a n e
c e n tr ic c
ig h t in p u
r s ig n a l
m e te r w
S e e M a
F o r a b e tte r u n d e r s ta n d in g o f th e s ig n a l flo w
D ia g r a m fo u n d o n p a g e 2 .1 .
o n tr
ts a
p a th
h e n
s te r
f th e c u e
c u e d th e
e le c te d s
s ig n a l c
l. S e e O
o l w
re m
. A
n o
S e
ith
a d
m o
c u e
c tio
s ig n a ls e ith e r
L im ite r g a in
ig n a l le v e l is
a n b e m o n ito r e d
u tp u t R e a r
th e M ix L e ft a n d
e a v a ila b le fo r 2
n o s u m o f L e ft a n d
is s e le c te d . A
n / P o w e r.
a lw a y s r e fe r to th e B lo c k
N O T E : B e c a u s e o f s w itc h to s w itc h p r o x im ity , s o m e fu n c tio n
la b e ls a r e a b o v e a s w itc h a n d in o th e r c a s e s la b e ls a r e
b e lo w . P le a s e r e a d th e a p p r o p r ia te d e s c r ip tio n s c a r e fu lly .
1 .1
P r e a m
8 M X 2
p
/ M ix e r
S p e c if ic a t io n s
S p e c ific a t io n s :
E le c t r ic a l
G e n e r a l / P h y s ic a l
F re q u e n c y R e s p o n s e :
+ 0 /-1 d B , 1 0 H z -5 0 k H z
C o
In p
2 T
M o
G a in S
2 0 d B h
T H D + N
C lip p in
T o ta l V
H u
-1 3
-1 2
-8 6
m
tru c tu re
e a d ro o m
0 .0 0 8 %
g L e v e lo lta g e G
a n
2 d B
9 d B
d B m
m
d N o is
E .I.N
m E .I.N
r e s id u
:
th
, 2
A ll
a in
e :
. (
. (
a l
ro u g h o
0 H z -2 0
S ta g e s
: 6 5 d B
(2
s h
1 5
o u
0 k
o r
0
tp
H z
te d
o h m
u t n
u t
k H z , a t + 4 d B m
: + 2 4 d B m
a t C h a n n e l O u t
M u
M u
A C
A C
B a n d w id th )
in p u t)
s o u rc e )
o is e
H ig h )
ts ,
ja c k s
ts :
2 5 c o n n e c to rs
9 c o n n e c to rs
e le c ta b le
ta c h a b le
D im e n s io n s :
1 U , 1 3 /4 x 1 9 in . ( 4 4 m m x 4 8 3 m m )
1 1 in . d e p th b e h in d fr o n t p a n e l ( 2 8 0 m m )
In p u t P r e a m p /T r im C o n tr o l:
P r o p r ie ta r y H ig h V o lta g e P r e a m p
A d ju s ta b le G a in 0 - 6 5 d B , s in g le c o n tr o l
( n o p a d r e q u ir e d )
4 1 P o s . D e te n te d g a in c o n tr o l
C o n s ta n t In p u t Im p e d a n c e : 4 K o h m s
B e tte r th a n 0 .0 0 8 % T H D + N a t + 6 0 d B g a in
C M R > 8 0 d B , n o tr im m in g r e q u ir e d
R M S le v e l d is p la y - 3 0 d B r a n g e
P h a n to m P o w e r + 4 8 v o lts
L im ite
R M S L
T h re s h
R a tio :
G a in R
n n e c to rs :
u t: X L - ty p e 3 p in ( p in 2
r a c k R e tu r n s , M ix O u tp u
n ito r O u tp u ts :
1 /4 in . ( 6 3 m m ) p h o n e
ltitr a c k In p u ts a n d O u tp u
2 M u ltip in fe m a le D B
ltip le - u n it c o n n e c to r s :
2 M u ltip in fe m a le D B
In p u t: F u s e d , V o lta g e S
L in e c o r d : IE C ty p e , D e
W e ig h t:
1 0 L b s . (4 .5 K g )
E le c tr ic a l R e q u ir e m e n ts :
1 0 0 -1 2 0 /2 2 0 -2 4 0 V A C , 5 0 -6 0 H z , < 6 0 w a tts
r:
e v e l D e te c tio n
o ld : + 4 d B m to + 2 4 d B m ( O u t)
In fin ity :1
e d u c tio n D is p la y , 2 0 d B r a n g e
2 .0
2 .1
M IX R ig h t S u m
M IX S u m m in g B u s
M IX L e ft S u m
L im ite r
E N A B L E
T a p e R e tu r n
In p u t ( P R E )
P O S T L im it e r
C U E S u m m in g
+
M IX L e v e l
+
C U E
S ig n a l In p u t
P R E / P O S T
M IX B a la n c e
M a s te r
F r o m
R e a r P a n e l
G r o u n d L ift
-
+
-
M IX L e ft O u tp u t
M a c h in e R e t u r n
B a la n c e d In p u t
-
C U E
S ig n a l
In p u t / R e tu r n
+
R ig h t In p u t
L e ft In p u t
+
+
-
-
M IX R ig h t O u t p u t
B a la n c e d O u t p u t
+
In
P in 1 G r o u n d
M a c h in e In t e r fa c e
In
P in 3 -v e P h a s e
O n e o f 8 In p u ts
+
In
P in 2 + v e P h a s e
-
H ig h V o lt a g e P r e a m p
0 d B to -6 5 d B
4 8 v
F r o n t P a n e l
P h a n to m
M ix / R e t u r n S e le c t
2 T r a c k R e tu r n
B a la n c e d In p u t
In
P h a s e
+
L im ite r
C U E
M o n it o r
S w itc h in g
M a c h in e
S e n d / R e tu r n
M IX S e le c t
to
-2 0
-2
M e te r
+ 2 1
to
-6
M e te r
M IX
P a n
+
M o n it o r L e v e l
+
E n a b le V o lta g e
M IX
L e v e l
+
-
R E T
E N
P R E
L IM
+
+
-
-
R ig h t
H e a d p h o n e s
L e ft
M o n it o r R ig h t O u t p u t
M o n it o r L e ft O u t p u t
T a p e R e tu r n
E N A B L E
In p u t ( P R E )
L im ite r
P O S T L im it e r ( O u tp u t )
P S T
M IX S u m m in g B u s
C U E S u m m in g B u s s e s
R
T o M a c h in e In t e r f a c e
In p u t
C U E
L
M IX
A s s ig n
B a la n c e d O u t p u t
/ M ix e r
In
p
M A S T E R
P r e a m
S L A V E O u t
8 M X 2
B lo c k D ia g r a m
8 M X 2
P r e a m
p
/ M ix e r
In p u t
C h a n n e l
8
M
X
2
P h a s e
C u e
C h a n n e l
L e v e l
R e t
4 8 V
1
+ 2 1 3 0
2 0
P a n
+ 1 4
4 0
+ 6
5 0
1 0
O u t
4 8 V
P h a s e
5 5
0
6 5
G a in
+ 4
L im it e r
M ix
C u e
C h
L e v e l
R e t
3 5
2
+ 2 1 3 0
2 0
R e t
3 5
P a n
+ 1 4
4 0
5 0
1 0
O u t
+ 6
4 8 V
P h a s e
0
5 5
6 5
G a in
+ 4
L im it e r
M ix
C u e
+ 2 1
2 0
1 0
O u t
In p u t L e v e l ( G a in )
T h e in n e r k n o b o f th is d u a l c o n c e n tr ic c o n tr o l is th e In p u t G a in p o te n tio m e te r .
T h e g a in o f th e p r e a m p lifie r c a n b e a d ju s te d fr o m 0 d B ( u n ity ) to m a x im u m g a in
o f 6 5 d B . T h e c o n tr o l h a s 4 1 d e te n ts . T h e m a x im u m in p u t s ig n a l is + 2 4 d B .
L im it e r
T h e o u te r c o n tro l
th r e s h o ld is c o n tin
h a s a n in fin ity to 1
re a c h e d th e o u tp u
s h o u ld b e ta k e n w
th e o r ig in a l p r o g r a
R E T
T h
In
a n
a n
is s w
th e u
d P a
d P a
o f th e In p u t
u o u s ly v ia b
r a tio ......T h
t s ig n a l w ill
h e n s e ttin g
m m a te r ia l.
g a
le
is
re
th
in d u a l c o n c e
fro m + 2 4 d B u
m e a n s th a t o
m a in c o n s ta n
e lim ite r th r e s
n tr ic is th e lim ite r
(o u t) c c w to + 4 d B
n c e th e th r e s h o ld
t a t th a t th r e s h o ld
h o ld s o a s to r e ta
th r e s h o ld . T h e
u c w . T h e lim ite r
h a s b e e n
le v e l. C a r e
in d y n a m ic s in
itc h d e te r m in e s th e s ig n a l th a t fe e d s th e M ix le v e l a n d P a n c o n tr o ls .
p p o s itio n th e c h a n n e l o u tp u t s ig n a l ( p o s t lim ite r ) w ill fe e d th e M ix le v e l
n . In th e d o w n p o s itio n th e c h a n n e l r e tu r n s ig n a l w ill fe e d th e M ix le v e l
n .
M IX L E V E L &
P A N
T h is d u a l c o n c e n tr ic c o n tr o l is u s e d to v a r y th e s e le c te d s ig n a l in L e v e l ( in n e r )
a n d P a n ( o u te r ) th a t fe e d th e M ix b u s s e s v ia th e M ix s w itc h .
M IX
T h e M IX s w itc h a s s ig n s th e o u tp u t o f th e L e v e l a n d P a n c o n tr o l to th e M ix b u s s .
B o th L e ft a n d R ig h t a r e a s s ig n e d a t th e s a m e tim e a llo w in g th e s w itc h to a c t a s a
c h a n n e l to M ix m u te if n e e d e d .
3 .0
8 M X 2
P r e a m
p
/ M ix e r
In p u t
C h a n n e l
8
M
X
2
P h a s e
C u e
C h a n n e l
L e v e l
R e t
4 8 V
1
+ 2 1 3 0
2 0
P a n
+ 1 4
4 0
5 0
1 0
+ 6
4 8 V
P h a s e
5 5
O u t
0
6 5
G a in
+ 4
L im it e r
M ix
C u e
C h
L e v e l
R e t
3 5
2
+ 2 1 3 0
2 0
R e t
3 5
4 8 V
+ 6
P a n
+ 1 4
4 0
5 0
1 0
O u t
P h a s e
0
5 5
6 5
G a in
+ 4
L im it e r
M ix
C u e
+ 2 1
2 0
1 0
O u t
P h a s e
P h a s e in v e r t s w itc h is p r o v id e d a n d w h e n in th e d o w n p o s itio n w ill in v e r t th e
p h a s e / p o la r ity o f th e in p u t s ig n a l.
N O T E : N o r m a l o p e r a tio n is P in 2 H o t ( + v e )
In p u t 4 8 V P h a n to m
W h e n
N o te t
w h e n
s w itc h
C U E
d e
h a
u s
w
W h e n d
c ir c u it a
C h a n n e
re tu rn s
s e c tio n
p re s s
t th e
in g P
ill illu m
e d th e
in p u t
h a n to
in a te
e p re s s e d
n d fe e d s
l In p u t s ig
ig n a l. T h e
fo r v is u a l
V o lta g e
4 8 V s w
g ro u n d
m P o w
w h e n 4
itc
lif
e r,
8 V
th e C u e s w itc
th e fo llo w in g a
n a l p re V C A ,
C u e s w itc h a
m o n ito r in g o n
h w
t s w
s e e
is O
ill
it
n
N
h a p p
u d io
C h a n
ls o fe
th e 1
a p p ly 4 8 V to P in s 2 & 3 o f th e in p u t X L R .
c h M U S T b e in th e g r o u n d e d p o s itio n
o t e o n p a g e 5 .0 . A r e d L E D b e s id e th e
.
lie s a c o n tr o l v o lta g
s ig n a ls to th e m a s te
n e l O u tp u t s ig n a l p o
e d s th e V C A c o n tro
0 s e g m e n t g a in r e d
L im ite r
e to th e C u
r s e c tio n fo
s t V C A , a n
l v o lta g e to
u c tio n m e te
+
+
M a c h in e In t e r fa c e
+
-
E n a b le V o lta g e
3 .1
b le
ito r in g ;
n n e l
a s te r
T o M a c h in e In t e r f a c e
-
M a c h in e R e t u r n
B a la n c e d In p u t
F r o m
n a
o n
h a
m
B a la n c e d O u t p u t
P h a s e
In
e e
r m
d C
th e
r.
In p u t
C U E
C U E S u m m in g B u s s e s
P S T
P O S T L im it e r ( O u tp u t )
L IM
L im ite r
P R E
In p u t ( P R E )
E N
E N A B L E
R E T
T a p e R e tu r n
8 M X 2
P r e a m
p
/ M ix e r
M a s t e r S e c t io n
M o n it o r
L e v e l
M ix
R e t
T h e tw o
T h e L im
C h a n n e
a c tiv a te
m e
ite r
l L im
d a n
1 8
8
1 5
1 2
1 2
9
1 6
3
6
1 4
R e t
M e te r s
2 1
6
1 0
C u e
2 4
4
+ 6
P r e
A tte n L e v e l
2
L
+ 6
M ix R
M a s te r
0
1 8
2 0
w
P
e
o
r
3
P h o n e s
te r s d is p la y L im ite
m e te r is c a lib r a te d
ite r a tte n u a tio n w
d th a t c h a n n e l’s C
r a tte
to in
ill b e
u e is
n u a tio
d ic a te
d is p la
s e le c
n a n d s ig n a l le v e l.
2 0 d B o f a tte n u a tio n in 2 d B s te p s .
y e d w h e n a c h a n n e l’s L im ite r is
te d .
T h e le v e l m e te r d is p la y s th e a b s o lu te s ig n a l le v e l a t a n y o n e o f th r e e p o in ts
w h e n a c h a n n e l is C u e d . W h e n n o c h a n n e l is C u e d a - 6 d B s u m o f M ix L e ft a n d
R ig h t w ill b e d is p la y e d . S e e C U E
P o w e r
T h e
W h e
c h e c
s lo w
m a in
n s w
k th e
b lo w
p o w
itc h in
fu s e
a n d
e r
g
v
fo
s w itc
th is u
a lu e .
r 2 4 0
h fo r
n it to
T h e
V a c
A C in p u
o p e ra te
fu s e p lu g
2 5 0 m A s
t w ith p o
o n e ith e
c o n ta in
lo w b lo w
C U E
w e r O N L E D
r 1 1 8 V a c in p u t o r 2 4 0 V a c a lw a y s
s a s p a re fu s e . F o r 1 1 8 V a c 5 0 0 m A
.
A s c a n b e s e e n fr o m th e in p u t b lo c k d ia g r a m th e r e a r e fo u r d y n a m ic s ig n a ls
a p p lie d to th e c u e b u s s e s w h e n a c h a n n e l C u e is d e p r e s s e d . T h e s e a r e :
C h a n n e l In p u t (P re V C A ), C h a n n e l O u tp u t (P o s t V C A ), C h a n n e l R e tu rn
( M a c h in e In p u t) a n d L im ite r c o n tr o l v o lta g e . T h e L im ite r c o n tr o l v o lta g e is
d is p la y e d o n th e 1 0 s e g m e n t d is p la y a s d B a tte n u a tio n . S e e M e t e r s . T h e a u d io
s ig n a l m o n ito r e d is s e le c te d b y th e P r e ( lo c a te d d ir e c tly a b o v e th e C U E
in d ic a to r ) a n d R e t s w itc h e s . N o r m a lly w ith th e P r e s w itc h in th e u p p o s itio n th e
s ig n a l th a t is m o n ito r e d a n d s h o w n o n th e L e v e l m e te r w ill b e th e C h a n n e l
O u tp u t. If th e P r e is d e p r e s s e d th e s ig n a l w ill b e th e C h a n n e l In p u t p r e V C A . T h e
m id d le s w itc h is th e R e t s w itc h a n d w h e n s e le c te d th e C h a n n e l R e tu r n s ig n a l is
m e te r e d a n d m o n ito r e d . T h e C u e s y s te m is “ P ile o n ” ty p e . S e e R e a r P a n e l .
4 .0
8 M X 2
P r e a m
p
/ M ix e r
M a s t e r S e c t io n
M o n it o r
L e v e l
M ix
R e t
T h is
R e t
b a la
W h e
c o n tro
s w itc h
n c e d m
n a n in
l is
o r
o n
p u
u s
w h
ito
t C
e d
e n
r o
U E
1 8
8
1 5
1 2
1 2
9
1 6
3
6
1 4
R e t
M o n it o r L e v e l
2 1
6
1 0
C u e
2 4
4
+ 6
P r e
A tte n L e v e l
2
L
+ 6
M ix R
M a s te r
to v
a c h
u tp u
is s
a ry
a n
t ja
e le
0
1 8
2 0
w
P
e
o
r
3
P h o n e s
th e le
n e l C U
c k s o n
c te d a
v e
E
th
n y
l o
is
e
o
f th e
s e le
re a r
n e o
m o
c te d
p a n
f th e
n ito r s
. T h e
e l w ill
th re e
ig n a l s e
h e a d p h
h a v e id
s ig n a ls
le c te d
o n e a m
e n tic a l
m a y b
b y th
p lifie
s ig n a
e m o
e M ix
r a n d th e
ls .
n ito r e d .
M ix M a s te r
T h is d u a l c o n c e n tr ic c o n tr o l is th e m a in le v e l c o n tr o l fo r th e M ix o u tp u ts . T h e
in n e r c o n tr o l is le v e l a n d th e o u te r c o n tr o l is b a la n c e . T h e L e ft a n d R ig h t M ix
o u tp u ts a r e b a la n c e d a n d a r e lo c a te d o n th e r e a r p a n e l.
P h o n e s
A s ta n d a r d 1 /4 ” ja c k is p r o v id e d fo r h e a d p h o n e c o n n e c tio n . T h e a m p lifie r d e s ig n
r e q u ir e s th a t P R O F E S S IO N A L H IG H IM P E D A N C E h e a d p h o n e s O N L Y b e u s e d .
N O T E : D O N O T U S E C O N S U M E R L O W IM P E D A N C E H E A D P H O N E S
4 .1
8 M X 2
P r e a m
p
/ M ix e r
M a s t e r S e c t io n
T h is P a g e
In t e n t io n a lly
L e ft B la n k
4 .2
P r e a m
8 M X 2
p
/ M ix e r
M
2 T r k M ix R e t u r n O p tio n s
T h e
c a p
m ix
a p p
o r a
c a n
T r k
8 M X 2 g iv e s th e u s
a b ility v ia in te r n a l ju
b u s s . T h is is u n ity
lic a tio n fo r th is is to
n y o th e r s im ila r p u r
s till b e m o n ito r e d b
R e tu r n p a g e 5 .1
T o
p o
s ig
in
th e 2
a rk e d
P 1 9
d a rd
a s s ig n
s itio n m
n a l a n d
th e s ta n
T rk
2 T
is fo
p o s
e r th e
m p e rs
g a in d
u s e th
p o s e .
y p re s
R e tu
rk R e
r th e
itio n w
rn to
tu rn
le ft s
ith 2
o p tio n to c u s to
to a s s ig n th e
ir e c t in je c t, th e
e 2 T rk R e tu rn
T h e c u e in g o f
s in g th e M ix R
m iz e
2 T rk
r e is
a s a
th e 2
e t b u
th e m ix
to M ix s
id e s ig n
T rk R e
s im
b e lo
e 8
o t a
b u
h o
a l.
tu r
s s ,
w n
T h
n n
th e ir u n it s lig h
R e tu r n s ig n a l
n o le v e l c o n tr o
n e ffe c t re tu rn
T r k R e tu r n is
tto n o n th e fro n
p ly m
w . P
M X 2
s s ig n
o v
1 8
is
e d
e th e
is fo
s h ip p
to th
a s t e r S e c t io n
tly . T h e r e
d ir e c tly to
l. O n e
to th e m ix
u n a ffe c te d
t p a n e l. S
tw o
r th e
e d w
e m
ju m
r ig
ith
ix b
p e
h t s
th e
u s s
is th e
th e
b u s s ,
a n d
e e 2
rs to th e
id e
ju m p e r s
.
M a s te r S e c tio n
A tte n u a tio n M e te r B o a r d
H e a d p h o n e
J a c k
P19
P18
S h o w n in th e s ta n d a r d p o s itio n ,
2 T r a c k R e tu r n N O T a s s ig n e d
to M ix .
Right
Left
4 .3
8 M X 2
P r e a m
p
/ M ix e r
In p u t 4
In p u t X L R
In p u ts a re X L R
H o t.
h to
c h a
h a s
4 8 V
ft o
In p u t 3
In p u t 2
ty p e a n d w ill a c c e p t a m a x im u m
In p u t G r o u n d L ift
T h e s w itc
th e m a in
p o s itio n c
N O T E : If
to th e L e
R e a r P a n e l
th e u p p e r r ig h t o f
s s is g r o u n d to P in
s is g r o u n d is R E M
P h a n to m is b e in
r G r o u n d e d p o s it
th e
1 o
O V
g s
io n
.
X L
f th
E D
u p
5 .0
R w
e X
fro
p lie
h
L R
m
d
e n
. W
P in
fro
In p u t 1
X L R
P in 2
H o t
in p u t le v e l o f + 2 4 d B . P in 2 is
in th e L e ft p o s itio n w ill c o n n e c t
h e n th e s w itc h is in th e R ig h t
1 .
m th e 8 M X 2 th is s w itc h m u s t b e
/ M ix e r
R e a r P a n e l
M ix O u t
2 T r k R e t
R ig h t
M o n it o r
L e ft
p
L e ft
P r e a m
R ig h t
8 M X 2
M o n it o r O u tp u t
T h e M o n ito r O u tp u t le v e l is s e t b y th e M o n ito r L e v e l c o n tr o l o n th e fr o n t p a n e l.
L e ft a n d R ig h t o u tp u ts a r e b a la n c e d T R S . M a x im u m o u tp u t is + 2 8 d B . T ip is H o t.
M ix O u tp u t
T h e M ix O u tp u t le v e l a n d b a la n c e c o n tr o ls a r e o n th e fr o n t p a n e l. L e ft a n d R ig h t
o u tp u ts a r e b a la n c e d T R S . M a x im u m o u tp u t is + 2 4 d B . T ip is H o t.
2 T r k R e tu r n
T h e 2 T r
fro n t p a n
m o n ito r e
a n d w o u
4 .0 . T h e
b y u s in g
P o w e r 4
k M ix R e tu r n s a r e b a la n c e d
e l. M a x im u m in p u t is + 2 4 d B
d b y d e p r e s s in g th e R E T s w
ld b e u s e d to lis te n to th e o u
2 T r k M ix R e tu r n c a n b e u s
in te r n a l ju m p e r s s h o u ld y o u
.3
T R S
. T ip
itc h
tp u t
e d a
n e e
5 .1
a n d fe e d th e M
is H o t. T h e 2 T
in th e M a s te r s
o f y o u r 2 T rk M
s a b a la n c e d in
d a M ix in je c t.
ix
rk
e c
a c
p u
S e
R e t s w itc h o n
M ix R e tu r n is
tio n o f th e fr o n
h in e , s e e C U
t to M ix L e ft a
e M a s te r S e c
th e
t p a n
E p a
n d R
tio n
e l
g e
ig h t
/
8 M X 2
P r e a m
p
/ M ix e r
R e a r P a n e l
S la v e O u t
In p u ts
In te r C o n n
M u lt itr a c k In te r fa c e
M a s te r In
O u tp u ts
In t e r U n it C o n n e c t io n s
T h e r e a r e tw o in te r fa c e c o n n e c tio n s fo r lin k in g m u ltip le 8 M X 2 ’s . It is
r e c o m m e n d e d th a t th e a c c e s s o r y lin k c a b le b e u s e d . T w is te d p a ir ty p e
b e u s e d b u t c a r e s h o u ld b e ta k e n to e n s u r e c o r r e c t g r o u n d c o n n e c tio n s
s ig n a l flo w . S ig n a ls c a n b e u s e d to fe e d o th e r d e v ic e s s u c h a s la r g e r m
c o n s o le s . C U E e n a b le v o lta g e O U T is n e g 5 V w h e n a C U E is s e le c te d .
D C v o lta g e is n e g 1 3 0 m V a t 2 0 d B o f a tte n u a tio n . G r o u n d c o n n e c tio n s a
c h a s s is 0 V .
c a b le c a n
fo r
ix in g
L im ite r
re
S la v e O u t
T h is c o n n e c to r is a 9 p in D ty p e c o n n e c to r a n d c a r r ie s th e C u e , C u e E n a b le , a n d
M ix s e n d s ig n a ls . T h e s e s e n d s ig n a ls a r e :
P in 1 M IX L e ft
P in 4 C U E C H P o s t V C A
P in 7 L im ite r D C
P in 2 C U E E n a b le
P in 5 C h a s s is G r o u n d
P in 8 C U E C H P re V C A
P in 3 C U E C H R e tu rn
P in 6 M ix R ig h t
P in 9 C h a s s is G r o u n d
M a s te r In
T h is c o n n e c to r is a 9 p in D ty p e c o n n e c to r a n d r e c ie v e s th e C u e , C u e E n a b le ,
a n d M ix r e c e iv e s ig n a ls . T h e s e r e c e iv e s ig n a ls a r e :
P in 1 M IX L e ft
P in 4 C U E C H P o s t V C A
P in 7 L im ite r D C
P in 2 C U E E n a b le
P in 5 C h a s s is G r o u n d
P in 8 C U E C H P re V C A
5 .2
P in 3 C U E C H R e tu rn
P in 6 M ix R ig h t
P in 9 M ix In L o w
8 M X 2
P r e a m
p
/ M ix e r
R e a r P a n e l
S la v e O u t
In p u ts
In te r C o n n
M u lt itr a c k In te r fa c e
M a s te r In
O u tp u ts
M u ltitr a c k In t e r fa c e
A ll in p u ts
T h is c o n n
D A -8 8 I/O
H = In P h
C = O u t o
G N D = G
a n d
e c to
c o n
a s e
f P h
ro u n
o u tp u ts a
r is a 2 5 p
n e c tio n s .
s ig n a l ( H o
a s e s ig n a
d
r e b a la n c e d . M a x im u m in p u t / o u tp u t is + 2 4 d B u .
in D ty p e c o n n e c to r . T h is p in - o u t is c o m p a tib le w ith
S u ita b le tw is te d p a ir c a b le s h o u ld b e u s e d .
t)
l ( C o ld )
O u tp u ts / In p u ts
P in N o .
1
1 4
2
1 5
3
1 6
4
1 7
5
1 8
6
1 9
7
2 0
8
2 1
9
2 2
1 0
2 3
1 1
2 4
1 2
2 5
1 3
S ig n a l C h a n n e l
H
8
G N D
H
C
G N D
H
C
G N D
H
C
G N D
H
C
G N D
H
C
G N D
H
C
G N D
H
C
G N D
N /A
8
C
8
7
7
7
6
6
6
5
5
5
4
4
4
3
3
3
2
2
2
1
1
1
N /A
5 .3
8 M X 2
P r e a m
p
/ M ix e r
A M P L (d B r)
P e r fo r m a n c e G r a p h s
& PH ASE(deg) vs FR EQ (H z)
15 APR 97 11:08:24
1.5000
180.0
135.0
1.0000
90.00
.50000
PH ASE
AMPL(dBr)
45.00
0.0
0.0
AM PL
P H A S E (d e g )
-45.0
-.5000
-90.0
-1.000
-135
-1.500
-180
10
100
1k
0 d B in p u t, L im ite r O u t, M e a s u r in g fr o m
10k
50k
C h a n n e l M a in O u tp u t
TH D +N (% ) & LEVEL(dBu) vs FR EQ (H z)
10 O C T 96 14:23:41
1
30.00
20.00
LEVEL
10.00
0.0 LEVEL(dBu)
0.1
-10.0
T H D + N (% )
-20.0
-30.0
TH D +N
0.010
-40.0
-50.0
-60.0
0.001
-70.0
.0005
-80.0
10
100
1k
0 d B in p u t, L im ite r O u t, M e a s u r in g fr o m
6 .0
10k
C h a n n e l M a in O u tp u t
50k
8 M X 2
P r e a m
p
/ M ix e r
P e r fo r m a n c e G r a p h s
AM PL(dBr) & PH ASE(deg) vs FR EQ (H z)
15 APR 97 11:21:28
1.5000
180.0
135.0
1.0000
90.00
.50000
AMPL(dBr)
PH ASE
45.00
0.0
0.0
-45.0
AM PL
-.5000
PH ASE(deg)
-90.0
-1.000
-135
-1.500
-180
10
100
1k
10k
50k
M a c h in e R e tu r n th r u M ix O u tp u t
AM PL(dBr) & PH ASE(deg) vs FR EQ (H z)
15 APR 97 11:17:46
1.5000
180.0
135.0
1.0000
90.00
.50000
PH ASE
AM PL(dBr)
45.00
0.0
0.0
-45.0
-.5000
AM PL
-90.0
-1.000
-135
-1.500
-180
10
100
1k
10k
50k
R e s p o n s e o f C h a n n e l In p u t, M a in O u tp u t to M a c h in e R e t u r n t h r u M ix O u tp u t
6 .1
PH ASE(deg)
8 M X 2
P r e a m
p
/ M ix e r
A c c e s s o r ie s
A c c e s s o r ie s :
A D B 9 ju m p e r c a b le t o c o n n e c t m u lt ip le 8 M X 2 's t o g e t h e r f o r M a s t e r / S la v e
c o n tr o l is a v a ila b le fr o m A T I a s o u r p a r t n u m b e r 9 5 2 - 1 0 5 8 .
In d iv id u a l c o n n e c to r s , c a b le s a n d a d d itio n a l c a b le c o n fig u r a tio n s a r e a v a ila b le to
m e e t y o u r n e e d s .
C o n ta c t A T I w ith y o u r r e q u ir e m e n ts .
7 .0
8 M X 2
P r e a m
p
/ M ix e r
R e c o r d th e s e r ia l n u m b e r o f y o u r 8 M X 2 in th e s p a c e b e lo w fo r y o u r
r e c o r d s . S h o u ld y o u e v e r n e e d to c o n ta c t th e fa c to r y a b o u t th is e q u ip m e n t,
p le a s e h a v e th is n u m b e r h a n d y .
s e r ia l n o . fo u n d o n r ig h t s id e p a n e l
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A T I L IM IT E D W A R R A N T Y
T h is
W it h in t h is p
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v a lu e .
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p r o d u c t is w a r r a n t e d b y A u d io T o y s , In c . a g a in s t d e f e c t s f o r 1 y e a r f r o m d a t e o f p u r c h a s e .
e r io d , A T I w ill, a t it s o p t io n , r e p a ir t h e d e f e c t iv e p r o d u c t a t n o c o s t t o y o u f o r p a r t s a n d la b o r ,
e d e f e c t iv e p r o d u c t w it h n e w o r r e m a n u f a c t u r e d f u n c t io n a lly e q u iv a le n t p r o d u c t o f e q u a l
b t a in w a r r a n t y
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c t iv e p r o d u c t s h o u ld b e r e t u r n e d t o A T I a t :
n g e R o a d
4
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W a r r a n t y d o e s n o t c o v e r t r a n s p o r t a t io n c o s t s , n o r d o e s it c o v e r p r o d u c t w h ic h h a s b e e n
s u b je c t e d , in o u r o p in io n , t o m is u s e , a b u s e o r a c c id e n t a l d a m a g e .
E x c e p t a s h e r e in p r o v id e d , A T I m a k e s n o w a r r a n t ie s , e x p r e s s o r im p lie d , in c lu d in g w a r r a n t ie s o f
m e r c h a n t a b ilit y o r f it n e s s f o r a p a r t ic u la r p u r p o s e . S o m e s t a t e s d o n o t p e r m it lim it a t io n o r e x c lu s io n o f
im p lie d w a r r a n t ie s ; t h e r e f o r e t h is lim it a t io n ( s ) o r e x c lu s io n ( s ) m a y n o t a p p ly t o p u r c h a s e r .
T h is w a r a n t y g iv e s y o u s p e c if ic le g a l r ig h t s a n d y o u m a y a ls o h a v e o t h e r r ig h t s w h ic h v a r y f r o m
s ta te to s ta te .
A ll o f u s a t A T I w o u ld lik e t o a s s
w h a le s h a r p o o n e d , n o d o lp h in s
p r o d u c t s , w it h lo v e a n d c a r e . W
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n o a n im a ls w e r e h a r m e d o r m is t r e a t e d in t h e d e s ig n o r t e s t in g o f t h is p r o d u c t . N o
ic e d is s e c t e d , n o d o g s s h a m p o o e d . W e t r y t o t r e a t t h e e a r t h lik e w e t r e a t o u r
r a t e f u l if y o u w o u ld d o t h e s a m e .
!