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Recommended Stereo Configurations
ORTF: Use TK60 Cardioid capsules. Angle the two microphones
110 degrees apart with the capsules spaced 17 cm. ORTF is
designed to mimic the placement of the human ears.
A/B or Spaced Pair: Use TK60 Cardioid or TF61 Omnidirectional
capsules. Position the two microphones parallel to each
other. Recommended spacing is 60 cm, though spacing up
to 3 meters can be used depending on the distance from the
source, the environment, and the desired stereo width.
XY: Use TK60 Cardioid or TK62 Hypercardioid capsules. Angle
the two microphones 90 degrees apart with the center of the
capsules directly over each other. The capsules should be as
close as possible without touching. This technique will sound
more direct than other techniques listed and should always be
phase coherent.
8 TELEFUNKEN Elektroakustik
17 cm
110°
60 cm
Tips:
1. Remember to check for phase cancellation!
90°
2. Cardioid capsules will lose low end with distance, while Omnidirectional capsules will retain low frequency
information.
3. Omnidirectional capsules will pick up more ambient noise, so Cardioid and Hypercardioid capsules are
recommended for less than ideal recording environments.
Decca Tree: Use TK61 Omnidirectional capsules
with SD40 diffuse field spheres. Position the Left
and Right microphones 2 meters apart, with the
Center microphone 1.5 meters in front. Distances
can be adjusted but should not be less than 1.5
meters. The Left and Right microphones can be
angled outwards up to 90 degrees.
SDC Series
9
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