This is a long video but I hope it also helps people with some troubleshooting tips and how I test synths. I have timestamps below for your sanity ! This is great for those buying new and used synths to make sure everything is great !

0:00 some words about ‪@sweetwater‬
0:56 ‪@SequentialLLC‬ has some of the best support and why I want to support them
1:28 unboxing my replacement Prophet 6
6:50 checking the prophet 6 for physical defects
8:27 power on the prophet 6 and testing it plus how to test synths !
16:00 lets test the oscillators
16:41 lets test all the buttons on the prophet 6
18:37 the way the knobs are made on the prophet 6
23:00 possible bad firmware of version 1.8
23:39 if your unit has 1.8 from the factory don't downgrade it !
24:10 lets look at the physical build on the prophet 6
27:30 unboxing my replacement ob6
31:20 inspecting the physical build of the ob6
32:00 plugging in the ob6 and powering it up
32:28 testing the switches on my ob6
33:45 a bad switch again on the ob6 or not ?
35:50 testing the oscillators of the ob6
46:47 a few words about Tom Oberheim and about ‪@SequentialLLC‬ and closing thoughts !