Boundary Layer Microphones - Schoeps M? Series User Manual

Boundary Layer Microphones

BLM 3g
BLM 03Cg
– boundary layer capsules
– hemispheric directional pattern
– no coloration of off-axis sound
Suggested applications:
Music (orchestra, including pit orches-
tra); on-stage; speech.
BLM 03C: Round-table discussions
Note:
The BLM capsules rely on the bound-
ary layer ("pressure zone") effect.
They will have the frequency response
shown here only when placed on a
floor or another large, flat, rigid surface
which is not covered by thick carpeting
or other sound-absorbent material. For
speech applications such as conference
recording, a table top may suffice.
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+10
0dB
-10
-20
20 50 100 200
Frequency response curve BLM 3g, BLM 03Cg + CMC 6
from outer
to inner:
up to 2 kHz
Polar diagram BLM 3g, BLM 03Cg
500 1k 2k 5k 10k
4 kHz
8 kHz
16 kHz
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20kHz