President Lincoln II Against Kucha Hans Lincoln II

Well here it is from the legend that is Kucha Hans the Lincoln II with normal from the box mike and radio, then afterwards the modified version of the radio. There is a test with an Albrecht mike, the original mike also included in the video. It seems the audio is set with 2.0Khz

Lincoln II with Normal Mike
Lincoln II with Albrecht Mike
Lincoln II with Motorola Mike