Posts tagged with: tube

One of must have software when simulating power supply is PSU Designer II or PSUD II. This amazing freeware could simulate your power supply behavior, before you start to assembly your circuit. Off course, not all looked good means good...
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Last upgrade, the switches. Basically, in most tube application, we will use two switches. The first is the main switch which will control the main AC voltage to supply the main transformer. The second one is the one which commonly...
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Manage to secure some… Probably needed onΒ  my “someday” 2A3 project… πŸ˜‰...
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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...
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I plan to compare some capacitors from Jensen and one from Audio Note. The two from Jensen are Jensen Copper Foil Paper-in-Oil (Paper Tube) and Jensen Copper Foil Paper-in-Oil (Copper Tube). From Audio Note, I have Copper Foil Mylar-in-Oil (I...
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The sign of a wear out tube? Time to grab some more… >.<...
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My Sanwa PC510 multimeter has the capability to measure the temperature via small probe. So, I’m curious to measure my tube glass/surface temperature. I test the 6N1P, 6N6P, and 5U4G tubes....
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A pair of Duelund CAST is enough to rob your wallet. How about two pairs? Well, sometime money is not an object – when you are pursuing the ultimate sound. No sky is high enough πŸ˜‰ I welcome, two pairs...
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After you read this, perhaps you would expect a better system to test the capacitors. So today, I visit a friend, and test the capacitors on his system. We can call him, Mr. X. Here is some brief of Mr....
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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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It’s time for Single Ended amplifier benchmarking session. Located at Bakmi Margonda, Sarinah, Indonesia. Here is some shoot from the event. The system was very simple, Tannoy speaker, Audio Aero Capitole CDP, and AirTight 300B as Reference Amplifier....
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Amperex 6BQ5/EL84 from “trash bin” shop πŸ˜‰ Not bad for some cheap experiment!...
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