½英寸传声器前置放大器带插入电压设施
设计用于通过插入电压技术校准 ½" 和 1" 电容式传声器
2673 型
设计用于通过插入电压技术对 ½" 和 1" 电容传声器进行校准，可与互易方法或已知声源结合使用。插入校准装置用于根据IEC 1094 – 1对电容传声器进行互调和插入电压校准：1992 和 ANSI S1.10。
| Code | 下限频率 | 上限频率 | 最高温度 | 最高温度 | 标定设备 |
|---|---|---|---|---|---|
| -2673--- | 30 Hz | 200 kHz | 60 °C | 140 °F | None, 无 |
| -2673-T-- | 30 Hz | 200 kHz | 60 °C | 140 °F | None, 无 |
| -2673-W-001- | 3 Hz | 200 kHz | 60 °C | 140 °F | None, 无 |
| -2673-W-002- | 30 Hz | 200 kHz | 60 °C | 140 °F | None, 无 |
| -2673-W-007- | 30 Hz | 200000 Hz | 80 °C | 176 °F | CIC, CIC |
| -2683--- | 250 Hz | 10 kHz | 60 °C | 140 °F | CIC, CIC |
| Product Data: 1/2-inch Microphone Preamplifier Type 2673 | Data Sheets | English |
| Polarization | Classical |
| Lower frequency | 30 Hz, 3 Hz, 250 Hz |
| Higher frequency | 200 kHz, 10 kHz, 200000 Hz |
| Diameter | 1/2 inch |
| Minimum Temperature | -20 °C |
| Maximum Temperature | 60 °C, 80 °C |
| Minimum Temperature | -4 °F |
| Maximum Temperature | 140 °F, 176 °F |
| Connector | Lemo 7-pin |
| Calibration facility | None, CIC |
Type 2673 consists of a high impedance input stage and an output stage giving a low output impedance for driving long cables and the Driven Guard surrounding the input stage. The thread which accepts the microphone cartridge is isolated from the preamplifier housing to allow an insert-voltage signal to be applied in series with the microphone for determination of the microphone’s open-circuit sensitivity. ½-inch Microphone Preamplifier Type 2673 is very similar in design and performance to Type 2669. The main difference is that Type 2673 includes an insert voltage calibration facility.
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.
