Marshall Master Volume Mod Test / Comparison

Let's be real, plexi's are LOUD. In this video I explain the difference between a pre phase inverter master volume and a type 3 post phase inverter master volume as explained famously by Ken Fischer of Trainwreck Amplifiers. I also provide a tone comparison between the two. https://robrobinette.com/The_Trainwreck_Pages.htm Hit "Subscribe" for more videos! http://www.youtube.com/subscription_center?add_user=kleydj13 If you wish to support my videos please visit my patreon page at https://www.patreon.com/kleydejong.