Some AV sources allow DC voltage to be present in the component video output signal; this can cause performance problems with other devices. The 1182 passively removes DC from the video signal.

Some AV sources allow DC voltage to be present in the component video output signal; this can cause performance problems with other devices. The 1183 actively removes DC from the video signal.

Designed to solve the problem of rolling video hum bars caused by AC-line related noise due to ground loops in coaxial cabling. The 1184 also eliminates hum from low level stereo audio signals.