User guide

MVC 121 • Installation and Operation
CAUTION
Never set an unbalanced dynamic microphone to
48V, doing so may damage the microphone. For
condenser mics, verify that the mic will safely
operate at 48 VDC.
3
Mic 1 and Mic 2 input connector — Up to two mono
microphones, balanced and/or unbalanced, may be connected
to this 5-pole 3.5 mm captive screw connector. See the following
diagram.
Mic inputs will be evenly mixed into both left and right
outputs.
MIC 1
Balanced MIC
Unbalanced MIC
MIC 2
Example wiring of balanced and unbalanced mics
4
Main 3 line level input connector — Connect a line level audio
source to this 5-pole 3.5 mm captive screw connector, such as a
CD player, DVD player, tape deck, etc. Balanced or unbalanced
stereo connections can be wired to this connector.
DVD
Extron CSR 6 Adapter
MAIN 3
LR
Example of DVD line level input to Main 3 input
Input devices cabled with two RCA male outputs may be
connected to the 5-pole 3.5 mm captive screw connector
using the Extron CSR 6 adapter, part #26-575-01.
To wire the captive screw connectors to RCA or 3.5 mm mini
phone plugs, see the illustrations below.
Tip (+)
Sleeve ( )
RCA Connector
3.5 mm mini stereo plug
Tip (L) Sleeve (GND)
Tip (L)
Ring (R)
Sleeve (GND)
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