Crown CM-311A Bedienungsanleitung PDF herunterladen (Seite 11)

Installed Microphones

Boundary Layer / Head-worn Microphones

•

Polar pattern:

Frequency response:

Sensitivity:

Maximum SPL:

Equivalent noise level:

Signal/noise ratio:

Impedance:

Powering:

Finish:

Dimensions:

Net weight:

Cable:

Connector:

Cardioid

50 to 17,000 Hz

CM-311A: 4 mV/Pa (-48 dBV); CM-311L: 1.25 mV/Pa (-58 dBV)

148 dB

26 dB-A

68 dB (A-weighted)

75 ohms balanced

18 to 48 V phantom power to DIN/IEC

Satin black

See picture.

61g (2.1 oz.)

106 cm (42 in.)

CM-311A: 3-pin XLR; CM-311L: 3-pin Mini XLR

•

Polar pattern:

Frequency response:

Sensitivity:

Maximum SPL:

Equivalent noise level:

Signal/noise ratio:

Impedance:

Finish:

Dimensions:

Net weight:

Cable:

Connector:

Hypercardioid

50 to 17,000 Hz

2.9 mV/Pa (-51 dBV)

148 dB

31 dB-A

63 dB (A-weighted)

6 kohms

Satin black

See picture.

43g (1.5 oz)

1,14 m (45 in.)

3-pin Mini XLR

Premium head-worn microphone

Handfree use

Lead and backing vocals

Lectern

Intercom systems

• Cardioid polar pattern

• Defferoid

noise cancelling technologie

• Outstanding gain-before-feedback and isolation

The CM-311 offers the best of both worlds: Differoid

performance in a comfortable head-worn microphone.

Designed for touring and live-sound applications it

sounds like the best handheld microphones-full, clear,

and distortion-free, even with the loudest singers.

Differoid

stands for differential cardioid it is a noise-

cancelling mic, which cancels sounds beyond a few

inches away – such as floor monitors, instruments on

stage, and crowd noise. Controlled field tests showed

that the Differoid

provides up to 12 dB more gain

before feedback than conventional cardioid micropho-

nes. This results in the CM-311 having outstanding

gain-before-feedback and isolation. Many users of the

Differoid

say that their house mix is better because

the mic’s isolation is nearly complete.

Lightweight and comfortable, the mic’s headband and

boom adjust to fit any singer.

Item number:

CM311L 6000H50190

CM311A 6000H50180

Item number:

CM312L 6000H50170

CM-311

Head-worn microphone

Handfree use

Intercom Systems

Lectern

• Hypercardioid polar pattern

• Lightweight head-worn microphone with smooth,

articulate sound

• Outstanding gain-before-feedback and isolation

The CM-312 is rugged, lightweight head-worn micro-

phone designed for aerobics, live entertainment, and

sports broadcasting. It is intended for wireless-mic

application that require a light, inconspicuous mic.

The CM-312 sounds like the best handheld micropho-

nes. Its hypercardioid pickup pattern reduces

feedback and aids isolation. In difficult situations, the

CM-311 head-worn mic is recommended because

it picks up even less feedback and leakage than the

CM-312. Because the microphone is to the side of the

mouth, breath pops are eliminated.

Designed for comfort, the headband fits behind the

head and disappears in use. Both the headband and

boom adjust to fit any head. Because of the boom’s

unique behind-the-ear design, it does not cover up

the user’s face.

CM-312

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