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Sennheiser MKH 418S User Manual
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USING THE SENNHEISER MKH 418S
STEREO MICROPHONE
The Sennheiser MKH 418S is a stereo version of the MHK 416. It is an M-S (Mid - Side) stereo mi-
crophone. It is actually two microphones in one housing -- a directional mic (mid) picking up sounds
from the front and a bi-directional mic (side) picking up sounds from the left and right sides.
The output of the 418S is two signals -- the Mid and the Side. As such they are NOT normal Left -
Right stereo, but can be turned into L-R stereo with a special "matrix" circuit. The 418S is intended
to be used with the Sound Devices hard disk recorders (722 and 744T) which have the M-S matrix
circuit built in. No other Cage equipment has this circuit.
There are times and situations to record in stereo, and times and situations NOT to record in stereo.
These are detailed on pages 2 and 3. On pages 4 and 5 are instructions about menu settings for the
Sound Devices recorders for the different applications.
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Summary of Contents for Sennheiser MKH 418S

  • Page 1 STEREO MICROPHONE The Sennheiser MKH 418S is a stereo version of the MHK 416. It is an M-S (Mid - Side) stereo mi- crophone. It is actually two microphones in one housing -- a directional mic (mid) picking up sounds from the front and a bi-directional mic (side) picking up sounds from the left and right sides.
  • Page 2 MONO APPLICATIONS RECORDING DIALOGUE Use the 418S exactly as you would use any other shotgun, and record only the MID. DON’T RECORD DIALOGUE IN STEREO! Really, don’t. It’s been tried and rejected, because it creates many more problems than it solves. moving mic Use the MID in mono...
  • Page 3 STEREO APPLICATIONS RECORDING MOVING SOUND EFFECTS Very specific sounds -- and backgrounds -- that have movement should be recorded in ste- reo. Keep the mic stationary as the moving object passes. If possible use a tripod or mic stand. Panning the mic to follow the object will defeat the purpose of recording in stereo. a single car traffic (aka “car-by”)
  • Page 4 THE CABLE recorder/mixer end mic end standard 3-pin XLR male (aka XLR3M) x2 5-pin XLR female (aka XLR5F) MIC 1 1 (MID) input labels MIC 2 2 (SIDE) input The cable that comes with the 418S is pretty much a no-brainer, except that you MUST plug the 3-pin XLR labeled 1 (MID) into the MIC 1 input, and the one labeled 2 (SIDE) into the MIC 2 input of a Sound Devices 722 or 744T.
  • Page 5 STEREO RECORDING (MID-SIDE) Make sure that INPUT 1 and INPUT 2 are set to MIC. 18) Input 1: 48V Phantom (menu) Turn INPUT 1 and INPUT 2 phantom power ON. 19) Input 2: 48V Phantom Set Input-to-Track routing Set Headphone to 1 -->...