Transistor Replacing Substituting & Testing - Part 1
![](https://i.ytimg.com/vi/qpaPEye75qw/mqdefault.jpg)
38:10
Transistor Replacing Substituting & Testing - Part 2 - Testing Transistors
![](https://i.ytimg.com/vi/KKXF-onCwbQ/mqdefault.jpg)
53:04
How to Find Substitutes for Discontinued Transistors
![](https://i.ytimg.com/vi/NNqkvzmZ6uk/mqdefault.jpg)
19:56
Conjunto AIWA 80 mucho mejor de lo que recordabas, minicomponentes AIWA
![](https://i.ytimg.com/vi/Aa8Yb4VIw8w/mqdefault.jpg)
1:21:54
Understanding Amplifier Class A & Class AB
![](https://i.ytimg.com/vi/M8vhVTQ1cLo/mqdefault.jpg)
9:06
DR #55 - Restoring the Bass on an Adcom GFA 5500 Power Amplifier
![](https://i.ytimg.com/vi/DWCcWczwfL4/mqdefault.jpg)
1:23:32
Ultimate Guide To Vintage Audio Repair. Old Electronics Troubleshooting. Repairing Tips & Solutions
![](https://i.ytimg.com/vi/XBqjobrlLpo/mqdefault.jpg)
1:17:44
Pioneer SX-1980 - The Big Crazy Transistor Video
![](https://i.ytimg.com/vi/XOXnXKfow58/mqdefault.jpg)
1:25:40