audio technica / AT841b

audio technica 製の半球無指向性バウンダリーマイクです。リモート会議などに最適。

■ Boundary microphone
■ Type: Model Back electret condenser type
■ Directivity characteristics Hemisphere omnidirectional
■ Frequency characteristics 40-20,000Hz (with low cut switch)
■ Sensitivity (0dB=1V/1Pa, 1kHz) -40dB (battery) -38dB (phantom)
■ Maximum input sound pressure level (1kHz, THD1%) 116dB S.P.L.(battery)
■ 132 dB S.P.L.(at phantom)
■ SN ratio (1kHz, 1Pa) 70dB or more
■ Output impedance 250 Ω balanced (when battery) 200 Ω balanced (when phantom)
■ Power supply AA battery x 1 or phantom DC 11-52V
■ Current consumption 400μA (battery) 2mA (phantom)
■ Low cut 80Hz, 12dB/oct. (with ON/OFF switch)
■ Output connector Canon XLRM type (Power module: AT8537)
■ Cable length 7.6m
■ Finishing Matt black baking finish
■ Weight: 78g
■ Accessories: Power module: AT8537