audio technica / ATIR-T880

audio technica製のバックエレクトレットコンデンサー型赤外線マイクロホンです。

■ Infrared microphone
■ Model: Back electret condenser type
■ Directivity: Unidirectional
■ Infrared light wavelength: 870±30nm
■ Transmission method: PLL synthesizer method
■ Frequency response: 140-15,000Hz
■ Modulation method: Frequency modulation
■ Carrier frequency: Ach (3.04MHz), Bch (3.48MHz), Cch (3.7MHz), Dch (3.84MHz), Ech (2.06MHz), Fch (2.48MHz), Gch (2.7MHz), Hch (2.82MHz) ), Ich (2.56MHz), Jch (3.20MHz)
■ Transmission channel: 1 channel
■ Power supply: Dedicated nickel-hydrogen battery RB3UTG (installed on the main unit) or AA alkaline batteries x 2
■ Continuous use time
・When using dedicated nickel-hydrogen battery
about 8.5 hours (ECO mode) about 7 hours (LO mode) about 4.5 hours (Hi mode)
・When using AA alkaline batteries
about 7 hours (ECO mode) about 5.5 hours (LO mode) about 3 hours (Hi mode)
■ Outer dimensions: φ56×233mm
■ Weight: 262g (including dedicated Ni-MH battery)
■ Accessories: CH seal, mini driver, IR guard