AVC-20

The Tektronix AVC-20 provides stereo audio monitoring capability when installed with an NTSC vectorscope.

AVC-20 accepts stereo audio via XLR inputs, and corresponding NTSC video is looped via the AVC-20, typically to the A input of the vectorscope.

The output of AVC-20 can then drive the B input of the vectorscope to display stereo audio information in various formats.

• AVC-20 Description from 1987 TV products catalog (PDF)

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