Schoeps CMC 3U, User Manual

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SCHOEPS
GmbH · Spitalstr. 20 · D-76227 Karlsruhe (Durlach) · Tel: +49 721 943 20-0 · Fax: +49 721 943 2050
www.schoeps.de · mailbox@schoeps.de
Specifications
Capsules
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Capsule Type Polar Frequency Range Sensitivity Equivalent Noise Level Signal-to-Noise Max. SPL
Pattern CCIR A-weighted Ratio (0.5% THD)
A-weighted
MK 2 omni 20 Hz – 20 kHz* 15 mV/Pa 23 dB 11 dB 83 dB 130 dB
MK 2H omni 20 Hz – 20 kHz* 15 mV/Pa 23 dB 12 dB 82 dB 130 dB
MK 2S omni 20 Hz – 20 kHz* 12 mV/Pa 24 dB 12 dB 82 dB 132 dB
MK 3 omni 20 Hz – 20 kHz* 10 mV/Pa 26 dB 14 dB 80 dB 134 dB
BLM 3g hemisphere 20 Hz – 20 kHz 19 mV/Pa 23 dB 12 dB 82 dB 128 dB
BLM 03 Cg hemisphere 20 Hz – 20 kHz 19 mV/Pa 23 dB 12 dB 82 dB 128 dB
MK 21 wide cardioid 30 Hz – 20 kHz* 13 mV/Pa 25 dB 15 dB 79 dB 132 dB
MK 21H wide cardioid 30 Hz – 20 kHz* 10 mV/Pa 26 dB 16 dB 78 dB 134 dB
MK 22 Open Cardioid 40 Hz – 20 kHz* 14mV/Pa 23 dB 14 dB 80 dB 131 dB
MK 4 cardioid 40 Hz – 20 kHz* 13 mV/Pa 24 dB 15 dB 79 dB 132 dB
MK 4V cardioid 40 Hz – 20 kHz 13 mV/Pa 24 dB 14 dB 80 dB 132 dB
MK 41 supercardioid 40 Hz – 20 kHz* 13 mV/Pa 24 dB 16 dB 78 dB 132 dB
MK 41V supercardioid 40 Hz – 20 kHz 13 mV/Pa 24 dB 15 dB 79 dB 132 dB
MK 8 figure-8 40 Hz – 16 kHz 10 mV/Pa 26 dB 18 dB 76 dB 134 dB
MK 5 omni 20 Hz – 20 kHz* 11 mV/Pa 26 dB 14 dB 80 dB 133 dB
cardioid 40 Hz – 20 kHz 13 mV/Pa 25 dB 16 dB 78 dB 132 dB
MK 4S cardioid 80 Hz – 20 kHz 13 mV/Pa 24 dB 15 dB 79 dB 132 dB
MK 40 cardioid 80 Hz – 20 kHz 18 mV/Pa 22 dB 13 dB 81 dB 129 dB
MK 4A cardioid close pickup 3 mV/Pa 29 dB 18 dB 76 dB 144 dB
MK 4VXS cardioid close pickup 10 mV/Pa 24 dB 14 dB 80 dB 134 dB
MK 41S supercardioid 80 Hz – 20 kHz 13 mV/Pa 24 dB 15 dB 79 dB 132 dB
Specifications for Complete Microphones: MK -- Capsules with CMC 6 Microphone Amplifier
* When the CMC 6 xt microphone amplifier is used with axially addressed capsules, the frequency response extends
beyond 40 kHz.
A word about signal-to-noise specifications for studio micro-
phones: The standard method, which we follow, is really just
an alternate way of stating a microphone's equivalent noise
level. It is designed to allow comparison of noise floor levels
for different microphones. Unlike the signal-to-noise specifica-
tions for other types of audio equipment, which give the ratio
of a component's clipping point to its noise floor, these values
do not indicate a microphone's entire available dynamic range.
Instead, the values are measured with reference to a standard
sound pressure level of 1 Pascal (1 Pa = 94 dB SPL). But the
actual maximum SPL capability of any usable microphone exceeds that reference level substantially. The signal-to-noise
specifications of our microphones would be 35 to 40 dB (!)
greater if the ”hi-fi” approach were used.
The use of ”A” weighting when specifying the equivalent
noise level of microphones is another often-misunderstood
aspect of the standards. ”A” weighting yields a distinctly
lower noise specification – often by 10 dB or thereabouts –
and this figure, of course, becomes the one most often cited
in advertising. But the CCIR weighted noise level may well be
a more accurate indicator of a microphone's perceived noise
level in practice.