R300-HD - 手持无线话筒(pl22动圈式) by Electro-Voice

R300-HD

手持无线话筒(pl22动圈式)

  • ClearScan- 一键查找可用的最清晰通道;EZsync- 接收器到发射器的红外通道传输,可以轻松设置,避免出错;PL22心形动圈传声器,可在任何应用场合拾取清晰、悦耳的声音;两节AA碱性电池,可以持续供电14小时;坚固耐用的金属发射器,带背光LCD屏和电池电量表;32个预设通道,每8个通道为一个频段,供同时使用;可拆卸半波接收器;TNC天线,支持APD4+天线分配系统;金属接收器支架,可选配机架安装前耳和前端安装天线电缆。

HT-300金属手持式发射器即使每天使用,也可始终保持舒适手感。PL22动圈传声器是适用于演讲、歌唱和主持的全方位完美传声器。心形指向性可减少拾取周围环境噪声,有助于控制音频反馈,适用于使用传声器经验丰富的歌手。R300系统的接收器可以简易放置于桌面上,也可以装在19"设备机柜中。对于专业安装,R300有机柜安装套件和前安装天线电缆可供选择。对于一个机架中有4个接收器的情况,单台APD4+天线分配器可提供天线分配和接收器供电。

Specifications

Connector Type 1/4 inch unbalanced, 3-pin XLR balanced
Family R300
Power Requirement 12-16 VDC, 500 mA max

Controls on/off, Set, Up, Down, Sync
Antennas Flexible TNC 1/2 Wave
Number of Channels 32
Diversity True Antenna
Squelch Tone code plus Amplitude
Receiver Type Synthesized PLL
RF Sensitivity (12 dB SINAD) less than 1.0
Audio Frequency Response 80 Hz - 18kHz +/- 2dB
Distortion (@ 1 kHz, 40 kHz deviation) less than 1.0, 0.4 typical
Dynamic Range greater than 95
Battery Life 14 hours with (2) AA alkalines typical
RF Output 8 mW typical
Polar Pattern Cardioid
Operating Temperature Range 5º - 45º C (41º - 113º F)
RF Frequency Range 16
Element PL22 Cardioid Dynamic
Case Material Metal
Signal-to-Noise Ratio (A-weighted) greater than 100

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