BA660.doc
01/01/97
6 of 25
Overview I/O Connections
•
MIC In
Accepts low impedance balanced
signals between -70 and +14
Nominal level. Phantom power is
provided via the front panel +48V
switch. Internal provisions are
available for phantom voltages up
to +300 VDC. Shield is carried to
Pin 1 via the power ground
internally for phantom purposes.
The shield connection of the XLR
is made via the chassis connection
internally.
•
Line In
Nominal level is between -10
and +14. No provisions are
made for phantom power and
system will accept balanced or
single ended signals. Shield is
expected to be served by the
driving source, and is internally
lifted. If desired, there is a
jumper available to provide
shield connection to Pin 1.
•
Insert Send
The nominal signal level is -10.
The signal is balanced, but may
be used as single ended. A TRS
plug should always be used. Tip
is hot, Ring is minus and the
shield is served on the sleeve.
S
IGNAL
G
ND
C
HASSIS
G
ND
O
UTPUT
U
NBALANCE
S
ELECTOR
S
IDE
C
HAIN
I
NPUT
P
RESET
F
LAVORS
M
IC
I
N
AC I
N
L
INE
O
UT
I
NSERT
R
ETURN
S
IDE CHAIN
COUPLE
I
NSERT
S
END
L
INE
I
N
