User Manual

MM-1 User Guide and Technical Information
8
Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.
Application Notes
Line Driving/Mic Checking
Audiofromremotemicrophoneslocatedmorethan100metersfromamixingconsoleimprovewhen
sendinglinelevelsignalstothemixposition.Longcablerunsatmicrophonelevelaremoreprone
to noise and interference than line level signals. Phantom voltages can also drop over long cable
runs—resulting in problems at the microphone. The MM-1 can be used to step microphone signals
to line level, provide power to microphones, transformer-isolate grounds, and to verify microphone
audio in headphones.
Wireless Boom Operator
The MM-1 can be used to allow a boom operator to have an un-tethered connection to a production
vanormixposition.ThemicrophoneisconnecteddirectlytotheMM-1,andthe“boomop”can
hear microphone audio directly in headphones. The MM-1 is used to power the microphone and
providegain.TheoutputoftheMM-1isconnectedtoabody-packwirelesstransmitter.Atwo-way
radio’searpieceoutputisconnectedtothemonitorinputoftheMM-1.Viathetwo-waytheboom
operator receives director’s cues. The MM-1 allows the user to control monitoring levels of the comm
feed and the microphone signal in headphones without affecting the microphone signal sent to the
wireless transmitter.
Boom Operator