RF Modulator — RCA Composite to RF Coaxial What you need to know: This useful kit includes an RF modulator and an AV cable for converting standard-definition signals and sending them to a ...

For converting RCA AV signals to a coaxial port, you need an RF modulator. If you have one device with RCA ports and another device with HDMI ports, an RCA to HDMI adapter could be an easy solution.

If you want the best RF modulator for converting various inputs into an RF signal for your TV’s coaxial cable port, the top choice is the RF Modulator — RCA Composite to RF Coaxial.

Most likely that "Audio Out" is just a simple pass-through for the audio input, rather than a true output of the device's audio bus. In order to do what you want, it would have to have a cable ...

Printed on collar: "RCA Radiotron 898" and "11079". In a wooden shipping crate. Donor’s card reads: “Power triode made by the Radio Corporation of America in the early 1930s. From station KYW (now ...