I had a TB500 paired with an OBC410 and later also with an OBC115. I found it too hi-fi with the 410 and a bit more classic with the 115, but it was still too clean for my tastes.
The low end was admirable but I like the dirt of the valves better.
Still, it was damn loud, louder than the AD200B.
The low end was admirable but I like the dirt of the valves better.
Still, it was damn loud, louder than the AD200B.