15. XLR input and output connector
The XLR connector are actively balanced and are used to input/output the signal.
16. 1/4" TRS phone plug input and output connector
The 1/4" TRS connector are actively balanced and are used to input/output the signal.
17. RCA input and output connector
The RCA connector are unbalanced.
EQU231TWIN Rear Panel
EQU231LEDEQU231VU/ Rear Panel
GND
LIFT
OUT
IN
UNBALANCED
OUT
IN
BALANCED
Channel Two
OUT
IN
UNBALANCED
OUT
IN
BALANCED
Channel One
OUT
IN
OUT
IN
RISK OF FIRE-REPLACE
FUSE AS MARKED
SERIAL
MODEL
T
U
V
R
h
e
i
n
l
a
n
d
o
f
N
o
r
t
h
A
m
e
r
i
c
a
,
I
n
c
.
C
US
Rheinland
Production inspected
18
20
19
17 16 15
OUT
OUT
IN
Channel Two
BALANCED
UNBALANCED
OUT
OUT
IN
Channel One
BALANCED
UNBALANCED
OUT
IN
OUT
IN
GND
LIFT
RISK OF FIRE-REPLACE
FUSE AS MARKED
T
U
V
R
h
e
i
n
l
a
n
d
o
f
N
o
r
t
h
A
m
e
r
i
c
a
,
I
n
c
.
C
US
Rheinland
Production inspected
IN
IN
SERIAL
MODEL
EQU2215 Rear Panel
19
20
18 17 16 1517 16 15
7
GND
LIFT
OUT
IN
UNBALANCED
OUT
IN
BALANCED
OUT
IN
RISK OF FIRE-REPLACE
FUSE AS MARKED
SERIAL
MODEL
T
U
V
R
h
e
i
n
l
a
n
d
o
f
N
o
r
t
h
A
m
e
r
i
c
a
,
I
n
c
.
C
US
Rheinland
Production inspected
18
20
19
17 16 15
PUSH
21
3
NEW TIDE
EQU131VU Rear Panel
PUSH
21
3
NEW TIDE
PUSH
21
3
NEW TIDE
PUSH
21
3
NEW TIDE
PUSH
21
3
NEW TIDE
19
GND
LIFT
RISK OF FIRE-REPLACE
FUSE AS MARKED
SERIAL
MODEL
OUT
IN
UNBALANCED
OUT
IN
BALANCED
Channel Two
OUT
IN
UNBALANCED
BALANCED
Channel One
IN
OUT
IN
OUT
OUT
IN
20
17 16 15
18
PUSH
21
3
NEW TIDE
PUSH
21
3
NEW TIDE
Channel Two