Radial Engineering Ltd.
Decoder Mid/Side Matrix
True to the Music
®
Figure-8 Mic
Cardioid Mic
5
LINE
MIC
Link On
1. Setup microphones in the standard
M/S configuration. The MID cardioid
mic should be aimed at the source,
and the SIDE figure-8 directly
below it at 90° off-axis. Try to place
the capsules as close together as
possible to minimize phase issues.
2. Ensure recessed switches on the Decoder’s top panel are all set to ‘Mic’.
3. Connect the cardioid MID mic to input-1, and the SIDE mic to input-2a
on the back of the Decoder.
4. Press LINK button on Decoder’s front panel. This sends input-2a
(figure-8) to the third channel and lets you use the gain control to
adjust the stereo field.
5. Apply phantom power on both channels if required. Be careful to make
sure audio signals are turned off to avoid a loud pop when turning on
the phantom power. The 48V phantom power switch is recessed to
prevent accidental switching.
6. Start by bringing up the GAIN control of input-1 to an audible level on
your system.
7. Slowly start bringing up the GAIN controls of inputs-2a and 2b. You
will notice the stereo image widens and narrows as you bring up the
SIDE’s.
8. Experiment by changing the level of MID mic as well. Don’t forget to
watch the meters on your recorder… it is easy to get carried away!
ONE CARDIOID MICROPHONE, ONE FIGURE-8 MIC
Summary of Contents for Decoder
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