Originally, this circuit found at Radio Electronics in March 1949 was indicated to operate with a television of the time, improving its sound, like a “home theater” of the time. The circuit gave a few more watts of power.

Originally, this circuit found at Radio Electronics in March 1949 was indicated to operate with a television of the time, improving its sound, like a “home theater” of the time. The circuit gave a few more watts of power.