I dig some of my collection and find some AZ1 tubes. Basically, I have several tubes, but short word, they are separated into 3 brands, Philips Miniwatt AZ1, Valvo AZ1, and Telefunken AZ1. I don’t use P-Socket on my system,...

I would rather call this as “beauty in the dark”… No longer perfect in terms of construction, slightly off-center for the mesh and triangle, since probably over 70 years old tube. But… It’s still a nice collectible item. Since the...

When I clean up some of my collections today, I accidentally find some tubes which I rarely (or probably never) use. Actually I have some bad habits, collecting “junks”. Not really “junks” in terms of “garbage”, but “junks” for “thing...

This album is one of the my precious collectible album. Not just because this CD is quite rare (the original one, not remastered with XRCD bla-bla-bla), but this CD also has an outstanding quality. The Vinyl version is even better...