Specifications For Complete Microphones - Schoeps M? Series User Manual

Specifications
Specifications for Complete Microphones: MK -- Capsules with CMC 6 Microphone Amplifier
Capsule Type Polar
Pattern
MK 2 omni
MK 2H omni
MK 2S omni
MK 3 omni
BLM 3g hemisphere
BLM 03 Cg hemisphere
MK 21 wide cardioid 30 Hz – 20 kHz*
MK 21H wide cardioid 30 Hz – 20 kHz*
MK 22 Open Cardioid 40 Hz – 20 kHz*
MK 4 cardioid
MK 4V cardioid
MK 41 supercardioid
MK 41V supercardioid
MK 8 figure-8
MK 5 omni
cardioid
MK 4S cardioid
MK 40 cardioid
MK 4A cardioid
MK 4VXS cardioid
MK 41S supercardioid
* 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
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Frequency Range Sensitivity
20 Hz – 20 kHz* 15 mV/Pa
20 Hz – 20 kHz* 15 mV/Pa
20 Hz – 20 kHz* 12 mV/Pa
20 Hz – 20 kHz* 10 mV/Pa
20 Hz – 20 kHz 19 mV/Pa
20 Hz – 20 kHz 19 mV/Pa
13 mV/Pa
10 mV/Pa
14mV/Pa
40 Hz – 20 kHz* 13 mV/Pa
40 Hz – 20 kHz 13 mV/Pa
40 Hz – 20 kHz* 13 mV/Pa
40 Hz – 20 kHz 13 mV/Pa
40 Hz – 16 kHz 10 mV/Pa
20 Hz – 20 kHz* 11 mV/Pa
40 Hz – 20 kHz 13 mV/Pa
80 Hz – 20 kHz 13 mV/Pa
80 Hz – 20 kHz 18 mV/Pa
close pickup 3 mV/Pa
close pickup 10 mV/Pa
80 Hz – 20 kHz 13 mV/Pa
Equivalent Noise Level Signal-to-Noise
CCIR A-weighted Ratio
A-weighted
23 dB 11 dB
23 dB 12 dB
24 dB 12 dB
26 dB 14 dB
23 dB 12 dB
23 dB 12 dB
25 dB 15 dB
26 dB 16 dB
23 dB 14 dB
24 dB 15 dB
24 dB 14 dB
24 dB 16 dB
24 dB 15 dB
26 dB 18 dB
26 dB 14 dB
25 dB 16 dB
24 dB 15 dB
22 dB 13 dB
29 dB 18 dB
24 dB 14 dB
24 dB 15 dB
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.
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Max. SPL
(0.5% THD)
83 dB 130 dB
82 dB 130 dB
82 dB 132 dB
80 dB 134 dB
82 dB 128 dB
82 dB 128 dB
79 dB 132 dB
78 dB 134 dB
80 dB 131 dB
79 dB 132 dB
80 dB 132 dB
78 dB 132 dB
79 dB 132 dB
76 dB 134 dB
80 dB 133 dB
78 dB 132 dB
79 dB 132 dB
81 dB 129 dB
76 dB 144 dB
80 dB 134 dB
79 dB 132 dB