easy amplifier circuit

5:36

5:56

10:14

3:45

3:45

3:45

16:58

15:44

3:45

6:43

13:09

3:15

3:01

1:13

1:57

33:34

20:56

7:46

33:34

2:16

11:27

13:49

15:16

1:08

4:25

4:43

5:04

4:17

3:15

17:50

3:48

3:48

53:16

4:02

10:45

6:37

3:29

22:32

4:40

8:27