Aa5 Radio Signal Flow ✦ Trending

It creates an Automatic Volume Control voltage to keep volume steady.

The "All American Five" (AA5) is the classic superheterodyne radio design produced from the 1930s through the 1960s. It is named for its use of exactly five vacuum tubes to handle all radio functions without a power transformer. AA5 Radio Signal Flow

touch the metal chassis while the radio is plugged in. It creates an Automatic Volume Control voltage to