Panasonic MC-90 Microcassette 90 Minute Recording Tapes.

hello everybody now this is yet another now in my previous video i did say that i was almost finished showing my microcassette machines but i do want to make one more video that would be regarding the and ground formulation which is a very interesting formulation because um i'm not sure if you're familiar with the micro cassettes they actually came in two formulations that would be the type one normal bias as well as the type 4 metal bias but there was another very interesting formulation that was sold back in the 80s that was the angry formulation like this right here i i do have quite a few of these guys uh from different brands from both panasonic as well as national which were actually sister companies they were they were started by matsushita which is a japanese company i do have quite a few of these now i will be opening one of these guys and showing you exactly what what makes th