I see this brand doesn't have a thread on here, and I haven't seen any owners here either. https://www.miltra.pl/index.php/kategoria-produktu/tube-amplifiers/ I'm hoping to be getting an OTL-8XT soon in for review, and thought I'd create a thread for the brand. They look like fantastic...

Hello I'm a new member of the head-fi forums, I've been scouring the forums for answers regarding differences in tubes/valves. My main question is: sonically, what is the difference in power tubes and signal tubes, I understand that the power tubes supply power to the amplifier, but do they...

Hello Head-Fi! Our 75th Anniversary has offered us an opportunity to revisit key Sennheiser moments. This month in Sennheiser history is particularly special as it was 29 years ago that the original Orpheus was released. If you’ve heard either Sennheiser electrostatic headphone, feel...

Why do tube vendors get angry or ghost when asking them about brands they have in stock for cheap tube types? It's not like I am asking for detailed measurements or something like that.

Hi guys, has anyone had any experience with Eufonika? I spoke to someone the other day who had one and really liked it, I was intrigued and have requested a sample. They are hoping to send their H5 amp for me to test and review, but it's not a model listed on their website. Either way, here is...