19
“Balanced” amps.
Let´s take a look at a simple amp:
The left and right input signals are amplified and are fed to the left and right
load.
“Balanced” amps
are not new at all
but known for a long
time e. g. in car
radios where this
technique is taken
to achieve quad
power out of a
limited supply
voltage (12 V).
“Balanced” amps
are also called
Push-Pull Amps or
BTL amps (Bridge-
Terminated-Load).
Take a look: