2-channel audio optical fiber transmission device VAD-PA020C.xx

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VAD-PA020C.xx

last updated：Nov 12, 2025

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Optical transmission device VAD-PA020C.xx capable of transmitting audio signals from 2 systems over a single optical fiber up to 20 km!

The VAD-PA020C transmits two channels of audio signals over single-mode optical fiber up to 20 km and over multi-mode optical fiber up to 3 km. Audio can be transmitted in high quality through digital conversion.

Related Link - http://www.joble.co.jp/product_home.php?prod=audio…

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basic information

- Long-distance transmission of two analog audio signals over a single optical fiber. - Transmission is done with a transmitter (VAD-PA020C.TC) and a receiver (VAD-PA020C.RC). - High-quality audio transmission in two unidirectional channels (0.000022% low audio distortion). - Audio features a 24-bit A/D converter, 192kHz sampling, and a dynamic range of 114dB. - Capable of transmitting high-quality stereo audio using two channels. - Optical fiber cable supports both single-mode and multi-mode. - Status display LED indicates the condition of the equipment. - Compact box type saves installation space. - Resistant to EMI and RFI, with built-in ESD protection. - When installing multiple units, they can be grouped together using a separately sold 19-inch rack mount chassis.

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Applications/Examples of results

The VAD-PA020C transmits two channels of audio signals over single-mode fiber optic cable up to 20 km and over multi-mode fiber optic cable up to 3 km. - It is capable of transmitting high-quality stereo audio using both channels.