An AV receiver, also known as an AV amplifier, acts as a conduit for all of your sources, taking in every possible video and audio signal and distributing the former to your TV or projector and the ...

This one uses two tubes from consumer grade TV receivers, the “P” at the start of the part number being the giveaway for a 300mA series heater chain. The RF triode-pentode isn’t a radio part ...