Due to high workload on my primary job, I prefer to leave my serious listening session for a while. So if you are waiting for my Gainclone Project initial impression, perhaps you must wait a little bit longer. Sorry to...
The first thing that I need to do to refurbish my Hickok 539B Tube Tester is to clean up its appearance. I bought CRC QD Electronic Cleaner. This quick drying and no residue formula should be OK for my purpose....
I manage to secure one vintage tube tester, a Hickok 539B. This is an ultimate tester, Lab grade, and one of the most wanted tester on eBay. Don’t ask how much did I pay for this. This is also a...
I dig my tube boxes and found this old tube. Not a really expensive or most wanted tube, yeah… just an old Western Electric 393A tube. It’s a Argon and Mercury Vapor filled Thyratron tube. According to the datasheet, the...
One factor that makes me like tube is its glow. Well, it’s hard to explain, but some tubes have a beautiful color, especially in dark room. Here is some of them. Below is the 0A3/VR75 tube. It has red/fire color....
After previous trip to “trash bin” shop, now it’s the time to test it 😉 So I open my old Knight 600 Tube Tester and fire it up. Picture below shows my Knight 600 testing Amperex 6BQ5/EL84 tube. Not bad!...
I went to my friend’s house to test my “old” Knight 600 Tube Tester. It was old, I got from eBay. I didn’t have step down transformer on hand, so I need to try it elsewhere. It was a nice...