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Schoeps話筒 德國Schoeps麥克風 CMH 641 U
CMH 641U
內置防爆音（噗聲）和手持噪聲保護電路對于公共演說系統，聲音回授和“噗聲”是最主要的問題。聲音回授SCHOEPS CMH話筒的指向性減小了發生回授的風險。使用近講話筒增加了直達聲的成份，從而減小了產生回授的風險。但由于“近講效應”將會導致聲音低頻異常增加,這些提升可以通過CMH話筒的低頻滾降進行消減。爆音內置的防噗濾波器，可以減小講話者的“爆音”，此外話筒的低頻滾降也可以對其進一步消減。
附件（已含）：拋光木盒，
SGH：帶有錐形固定器的支架裝置（拾音角度可調。用于5/8”-27的螺紋；并提供用于3/8”和1/2”螺紋配件；顏色：灰）
附件（可選）：PS 4話筒罩。
出于衛生的考慮，我們提供一套可更換的薄話筒罩。
顏色：灰
PROPERTIES
cardioid or supercardioid
built-in protection from plosive sounds (“popping”) and handling noises
also suitable for speech pickup in the studio
ORDER NUMBER
No. 143001 CMH 64
No. 143002 CMH 641
SCHOEPS CMH 641 U SUPERCARDIOID HANDHELD MICROPHONE
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 a close-up microphone
increases the proportion of direct sound, and balances the built-in 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.
Cardioid or supercardioid.
Built-in protection from plosive sounds (“popping”) and handling noises.
Also suitable for speech pickup.
Schoeps CMH 641 U Specs
Transducer Condenser
Polar Pattern Supercardioid
Frequency Response 40Hz to 20kHz
Signal-to-Noise Ratio 79dB-A
Maximum Input Sound Level at 0.5% THD 132dB-SPL
Power Requirements 12V ± 1V and 48V ± 4V phantom powering (automatically switched)
Output Impedance 25 Ω (@ 12V)
35 Ω(@48V)
Output Connectors 3-pin XLR
Dimensions (LxDiameter) 8.26 x 1.45 / 1.02" (210 x 37 / 26mm)
Weight 6.70oz (190g)
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
