Posts tagged with: tube tester

Disassembly Hickok 539B

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...
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Cleaning Up My Hickok 539B Tube Tester

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....
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Hickok 539B Tube Tester

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...
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Beautiful Glowing Tubes This Week

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...
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Beautiful Glowing Tubes

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....
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Weekend Tube Testing with Knight 600 Tube Tester

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!...
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My Knight 600 Tube Tester

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...
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