Friedman Dirty Shirley to Twin Sister
17:32
Improve your Marshall Vintage Modern!!
16:21
Friedman's New "Twin Sister": Are Two Dirty Shirleys Better Than One?
30:06
JTM45 Kit Build conversion to Dirty Shirley DS40 - DIY Guide
11:08
Interview with Dave Friedman about the Twin Sister
12:26
Friedman Dirty Shirley vs. Small Box - Amp Demo - Sound Differences - Which One Is Right For You
5:22
Friedman Dirty Shirley 40 amp on my repair bench
12:21
Friedman Twin Sister
7:56