CRY3502 is a short constant current power preamplifier. It can be used with the CRY3000 series 1/2 inch prepolarized measurement microphone and is widely compatible with other brands.
CRY3502 converts high input impedance to low output impedance, allowing the use of a longer extension cable. The advantage is that the background noise is low and it hardly causes a load on the microphone. It supports the TEDS function and reduces test time. The compact design enables it to measure in environments with limited space.
| Size | 1/2″ |
|---|---|
| Frequency Response Range | 1Hz to 200kHz±0.2 dB |
| Output Impedance | ＜50Ω |
| Nominal Operating Current | 4 mA |
| Noise, linearity (20 ~ 20kHz) | < 4 µV rms |
| Connector Type | SMB |
| Threaded Coupling | 11.7-60 UNS |
| Length | 31.5mm(1.24'') |
| Input Impedance | >26,0.4pF |
| Distortion (THD) | ＜ 0.1% |
| Power Supply | 2 mA to 20mA (Typical 4mA) |
| Noise, A-weighting | < 3 µV rms |
| Bias Voltage | 12V±2V |
| Operating Temperature | -30 to +70℃ (-22 to +158℉) |
| Diameter | 12.7mm ( 0.5'') |
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CRY3502
