The diagram in post#1 is a pre-amp with small-signal transostors.
Not suitable to drive an 8 Ohm load.
Nowadays we use class-D amplifiers, because of higher efficiency.
like this one.
Leo..
The diagram in post#1 is a pre-amp with small-signal transostors.
Not suitable to drive an 8 Ohm load.
Nowadays we use class-D amplifiers, because of higher efficiency.
like this one.
Leo..