Sansui 3900Z - A beginning to an end

[@kblack3970]

Nice! I have the 9900Z and absolutely love the sound of It!

[@mus3equal]

Thank you, my brain is on fire. Now to find one, and tune, have some learning to do. Wow.

[@nancyericson4263]

I have one of these. How do you change the batteries on the pre-set?

[@Kali-nl3ll]

From the video
I see a small battery cover on the rear side.