audio technica / AT4900b-48

This is the preamplifier section for the Audio Technica AT4000B series. It is a DC bias condenser type. The directivity can be changed by changing the head.

■ Preamplifier Section for AT4000B Series
■ Type: DC-biased condenser microphone element
■ Polar Pattern: Variable directivity by changing the head
■ AT4049b-EL: Omnidirectional

■ Frequency Response: 20-20,000Hz
■ Sensitivity (0dB = 1V/1Pa, 1kHz): -34dB
■ Maximum Input Sound Pressure Level (1kHz, THD1%): 148dB S.P.L.
■ Low-Cut: 80Hz, 12dB/oct.
■ Input Attenuation: 10dB
■ Signal-to-Noise Ratio (1kHz, 1Pa): 78dB or greater
■ Output Impedance: 50Ω balanced, transformerless
■ Connector: XLR 3-pin
■ Power Supply: Phantom DC 48V±4V
■ Current Consumption: 4.8mA
■Size: 127mm long x 21mm diameter
■Weight: 103g
■Matte black baked paint finish
■Accessories: AT8405a microphone holder, windscreen, carrying case