The ST-634T is a classical tube condenser microphone, which has an elegant appearance thanks to the advanced plating surface processing. Utilizing high quality low noise tubes as preamps, pure gold coated double-sided large diaphragm capsule, the ST-634T tube condenser microphone has such characteristics as extremely low distortion, high sensitivity and clear, soft natural sound. Nine variations of polar patterns are available by adjusting the control knob on the dedicated phantom power supply for various recording situations.