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545SD / 舒尔 SHURE 所有用途的话筒、心形动圈、定制响应    类别:手持演唱话筒


 
545SD / 舒尔 SHURE 所有用途的话筒、心形动圈、定制响应  
舒尔 SHURE

货    号:
A134B37600Z
型    号:
545SD
品    牌:
舒尔 SHURE
市 场 价:
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保修条款:
提供原厂保修条件
上架时间:
2005-11-26
最后更新:
2014-08-17

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详细介绍:

 

UNIDYNE® III 型 545SD 为双阻抗、单向动圈话筒。出厂时连接为低阻抗使用,带有一个无声磁片 on/off 开关。

UNIDYNE III 是乐器拾音和录音的首选话筒,并可用于公共广播系统的讲台,例如,政治会议和立法机构、会议大厅、酒店、公共会堂、体育场、学校及教堂。

545SD-LC 电缆不包括在内

极其均衡的心形模式最大程度地降低了功放应用中的反馈

可选择为双阻抗使用

带锁定选项的无声磁片 on/off 开关

心形动圈

频率响应:50 至 15,000 Hz

类型

动圈

频率响应

50 至 15,000 Hz

查看更大的视图

拾音模式

心形(单向) - 频率均衡,轴对称

阻抗

双阻抗。连接到额定值为 19 至 300 欧姆的话筒输入端时,话筒的额定阻抗为 150 欧姆(有效阻抗为 250 欧姆),"高"用于连接到高阻抗话筒输入端。出厂时为低阻抗接线。要更改阻抗,请参阅"用户指南"的"阻抗选择与连接"部分。

输出电平 (1,000 Hz)

低 高

开路电压* -58.0 dB (1.3 mV) -35.0 dB (17.6 mV)

· 0 dB = 1 V/Pa(1 Pa = 94 dB 声压级)

极性

振膜上的正压会在针脚 2 上产生正电压(相对于针脚 3)。

开关

带有锁定板的内置式磁片 on/off 开关。

话筒头减震架

内置式橡胶减震器

旋转转接器

正向操作,垂直到水平 90 度可调整,方便拆卸便于手持使用,适于安装在 5/8"- 27 螺纹的支架上

外壳

镀铬铸件、带有 ARMO-DUR®网罩和不锈钢屏蔽

尺寸

请参阅用户指南

净重(不含电缆)

255 g(9 盎司)

 

A favorite for instrument pickup and recording.

The UNIDYNE III Model 545SD is a dual-impedance, unidirectional, dynamic microphone. Shipped connected for low-impedance operation, the mic features a silent magnetic reed on/off switch. The UNIDYNE III is a favorite for instrument pickup and recording, and can be used on lecterns for public address systems such as those used in political conventions and legislatures, convention halls, hotels, public auditoriums, stadiums, schools, and churches. (545SD-LC Cable not included).

Shure UNIDYNE III 545SD Dual Impedance Unidirectional Microphone Specifications:

· Type: Dynamic

· Frequency Response: 50 to 15,000 Hz

· Polar Pattern: Cardioid (unidirectional)-uniform with frequency, symmetrical about axis

· Impedance: Dual. Microphone rating impedance is 150 Ω (250 Ω actual) for connection to microphone inputs rated at 19 to 300 Ω and "High" for connection to high-impedance microphone inputs. Wired for low impedance as supplied.

· Output Level (at 1,000 Hz): Open Circuit Voltage*: Low: -58.0 dB (1.3 mV); High: -35.0 dB (17.6 mV)*0 dB = 1 volt per Pascal (1 Pa = 94 dB SPL)

· Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 (with respect to pin 3).

· Switch: Built-in magnetic reed on/off switch with lockplate.

· Cartridge Shock Mount: Internal rubber vibration-isolator

· Swivel Adapter: Positive action, adjustable through 90 degrees from vertical to horizontal, permits easy removal for handheld use, suitable for mounting on stand with 5/8"- 27 thread

· Case: Chrome-plated die casting with ARMO-DUR grille and stainless steel screen

· Dimensions (Length x Diameter): 6-3/16" x 1-1/4" (157 x 32 mm)

· Net Weight (less cable): 9 oz (255 grams)

Shure UNIDYNE III 545SD Dual Impedance Unidirectional Microphone Features:

· Exceptionally uniform cardioid pattern minimizes feedback in PA applications

· Selectable dual-impedance operation

· Silent magnetic reed on/off switch with lock option

· Cardioid dynamic

· Frequency response 50 to 15,000 Hz