Shure 545 دليل المستخدم

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222 HARTREY AVE.. EVANSTON. IL. 60204 U.S.A.
DATA MODELS 545 AND 545s
UNIDYNEB Ill
SHEET
AREA CODE 31~/866-zzoo . CABLE: SHUREMICRO
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TWX: 910-231-0048 TELEX: 72-4381
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UNIDIRECTIONAL DYNAMIC MICROPHONES
GENERAL
The Model 545 Series UNIDYNEO Ill Microphones are
slender dynamic microphones built to provide wide range
reproduction of music and voice, and have an exceptionally
uniform and effective unidirectional pickup pattern.
The microphones are particularly suitbLie for high quali

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Output Level (at 1000 Hz) SPECIFICATIONS Low lmpedance - 78 dB* (.I25 mV) Type Open Circuit Voltage .................... Power Level .................................... -57 dB** Dynamic High lmpedance Frequency Response Open Circuit Voltage .................... -55 dB* (1.76 mV) 50 to 15,000 Hz (see Figure 1) '0 dB = 1 volt per microbar **0 dB = 1 milliwatt per 10 microbars Switch Model 545 - None Model 5458 - Built in On-Off switch to control micro- phone circuit. The switch is