Friedman Dirty Shirley to Twin Sister
12:21
Friedman Twin Sister
5:22
Friedman Dirty Shirley 40 amp on my repair bench
16:21
Friedman's New "Twin Sister": Are Two Dirty Shirleys Better Than One?
12:26
Friedman Dirty Shirley vs. Small Box - Amp Demo - Sound Differences - Which One Is Right For You
17:32
Improve your Marshall Vintage Modern!!
17:52
Friedman Dirty Shirley - 40 Watt Guitar Head - In-Depth DEMO!!
17:03
The CRAZIEST Marshall mod you've ever seen!!
30:06