The SCHOEPS CMH is a wired handheld or soloist's microphone with particular immunity to plosive noise ("popping"). Because of its well-balanced frequency response it can also be used for speech pickup.
The directionality and the low-frequency rolloff of the SCHOEPS CMH microphones reduces the risk of feedback. Using the microphone at short distances increases the proportion of direct sound, and balances the built-in low-frequency rolloff with proximity effect.
The ”popping” effect on spoken consonants is substantially reduced by the built-in pop filter, and is even further reduced by the low-frequency rolloff of the microphone.
Features
- cardioid or supercardioid
- built-in protection from plosive sounds (“popping”) and handling noises
- also suitable for speech pickup in the studio
Technical Specifications
CMH 64
|
Pickup pattern |
Cardioid |
|
Frequency range |
40 Hz - 18 kHz |
|
Sensitivity |
-37 dB (V/Pa), 14 mV/Pa |
|
Equivalent noise level (A-weighted) |
15 dB |
|
Equivalent noise level (CCIR) |
24 dB |
|
Signal-to-noise ratio (A-weighted) |
79 dB |
|
Maximum sound pressure level (THD < 0.5 %) |
131 dB-SPL |
|
Maximum output voltage |
1 V (0 dBV) with 1 kΩ load |
|
Low cut filter |
60 Hz, 12 dB/oct. |
|
Minimum recommended load impedance |
1 kΩ |
|
Output impedance |
42 Ω |
|
Maximum cable length |
> 400 m |
|
SCHOEPS RFI Shield |
Yes |
|
Powering standard / Valid range |
P48 / >20 V P12 / >10 V |
|
Current consumption |
4 mA (P48) 8 mA (P12) |
|
Common mode rejection ratio (at 1 kHz) |
> 60 dB |
|
Output |
XLR-3M, analog, 1 channel |
|
Length |
210 mm |
|
Diameter |
37 / 22 mm |
|
Weight |
190 g |
|
Surface finish |
matte gray / black |
CMH 641 - Identical to CMH 64, except of:
|
Pickup pattern |
Supercardioid |
|
Frequency range |
40 Hz - 19 kHz |
|
Sensitivity |
-36,5 dB (V/Pa), 15 mV/Pa |
|
Equivalent noise level (A-weighted) |
14 dB |
|
Equivalent noise level (CCIR) |
23 dB |
|
Signal-to-noise ratio (A-weighted) |
80 dB |
|
Maximum sound pressure level (THD < 0.5 %) |
130 dB-SPL |
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