ITC-AU814 Microphone Preamplifier
ITC-AU814 is a short-body preamplifier powered by constant current supply with voltage-modulated signal output for pre-polarized condenser microphones.
Product Overview
4mA (24V) constant current powered, low noise, low power. ICP compatible. Integrated BNC cable.
Technical Specifications
| Parameter | Specification |
|---|---|
| Sensitivity‑Frequency Response (Ref. 250 Hz) | 10 Hz ~ 70 kHz ±0.2 dB |
| Self‑noise Level | A‑weighted < 3.0 μV, Linear (20 Hz‑22.4 kHz) < 7.0 μV |
| Signal Gain | 0.95 × |
| Input Impedance | 10 GΩ |
| Output Impedance | < 100 Ω |
| Power Supply Requirement | 24 V, 4 mA constant‑current source |
| Diameter | 1/2‑inch |
| Output Connector | SMB |
| Operating Temperature Range | ‑25 ~ +75 ℃ |