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 |
| Diversity | True Antenna |
产品规格 |
|
| 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 |
| 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 |
Let's talk
Dynacord & Electro-Voice, together with our certified partners, are ready to help support you through planning, purchase, and setup. Services available through our network of highly-qualified associates and partners may include:
- System Design
- Installation
- Programming & Commissioning
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