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Schoeps话筒 德国Schoeps麦克风 CMH 641 U

CMH 641U

内置防爆音（噗声）和手持噪声保护电路对于公共演说系统，声音回授和“噗声”是最主要的问题。声音回授SCHOEPS CMH话筒的指向性减小了发生回授的风险。使用近讲话筒增加了直达声的成份，从而减小了产生回授的风险。但由于“近讲效应”将会导致声音低频异常增加,这些提升可以通过CMH话筒的低频滚降进行消减。爆音内置的防噗滤波器，可以减小讲话者的“爆音”，此外话筒的低频滚降也可以对其进一步消减。

附件（已含）：抛光木盒，

SGH：带有锥形固定器的支架装置（拾音角度可调。用于5/8”-27的螺纹；并提供用于3/8”和1/2”螺纹配件；颜色：灰）

附件（可选）：PS 4话筒罩。

出于卫生的考虑，我们提供一套可更换的薄话筒罩。

颜色：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