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DPA ST4015A 立体声宽心型指向录音话筒套装
DPA ST4015A 立体声宽心型指向录音话筒套装
| 指向性: | 宽心型 |
|---|---|
| 工作原理: | 压力梯度式 |
| 拾音头类型: | Pre-polarized condenser |
| 频率范围: | 20 Hz - 20 kHz |
| 频率范围, ± 2 dB, at 60 cm: | 40 Hz - 20 kHz |
| 灵敏度, 标称, ± 2 dB at 1 kHz: | 10 mV/Pa; -40 dB re. 1 V/Pa |
| 等效噪声级, A-加权: | Typ. 18 dB(A) re. 20 ?Pa (max. 20 dB(A)) |
| 等效噪声级, ITU-R BS.468-4: | Typ. 25 dB (correct with the attenuator in 0 dB or -20 dB setting) |
| 信噪比 (A-加权), re. 1 kHz at 1 Pa (94 dB SPL): | Typ. 76 dB(A) |
| 总谐波失真 (THD): | < 1 % up to 139 dB SPL peak |
| 动态范围: | Typ. 121 dB |
| 声压级, 削波之前的峰值: | 159 dB |
| Switchable attenuator: | 0 dB / -20 dB |
| 输出阻抗: | < 200 ohm |
| ***小负载阻抗: | 2 kohm |
| 线缆驱动能力: | 100 m (328 ft) |
| 平衡输出原理: | Impedance balancing with Active Drive |
| 共态抑制比(CMRR): | > 60 dB |
| 电源要求 (for full specifications): | 48 V Phantom power (± 4 V) |
| 电流消耗: | 2.8 mA |
| 连接方式: | XLR-3M. Pin 1: shield, Pin 2: signal + phase, Pin 3: - phase |
| 颜色: | Matte black |
| 重量: | 158 g (5.6 oz) |
| 话筒直径: | 19 mm (0.75 in) |
| 拾音头直径: | 19 mm (0.75 in) |
| 话筒长度: | 170 mm (6.7 in) |
| 输出电压有效值: | > 5 V |
| 极性: | +V at pin 2 for positive sound pressure |
| 温度范围: | -40 °C to 45 °C (-40 °F to 113 °F) |
| 相对湿度(RH): | Up to 90% |
| 匹配公差: | ± 1 dB |
| 工具包相位偏差: | < 10° |
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