Obscure brands worth considering


American and not. There is a lot of equipment not visible or even not represented in the US at all.
What about speakers?
inna
If you buy the right loudspeakers they can be repaired upgraded long past manufacturers existence. 

As someone who has been down the road of procuring obscure/vintage speakers, you can consider them without the attendant risks, but it's foolish to do so.

Yes still designing manufacturing restoring collecting loudspeakers of most all types.