Posts filed under: Collectible Stuff

Soon, Another Shootout: Paper Tube vs Copper Tube

I acquired another varian of Jensen Film Caps, the Copper Tube. Basically, Jensen has 4 enclosure models, the cheap Aluminum Tube, then the Paper Tube, Copper Tube, and Ceramic Tube. So far, I have no interest (or budget) to try...
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Jensen Axial Electrolytic Capacitor

At the end or journey where good electrolytic caps is getting more difficult to be acquired, I think I have to consider some alternatives. I love Black Gate and Elna (Cerafine and Silmic), but those are getting rare and expensive....
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12B4 with Clear Top?

Never seen this one before. But this 12B4 seems like to have a clear top. Anyway, will keep it for my private collection....
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Another 6CG7/6FQ7 Clear Top

Another 6CG7/6FQ7 Clear Top, but this time without RCA markings. Made in USA, though? Very similar with RCA writings. Tested very good also on my Knight 600....
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RCA 6FQ7 Clear Top

Must be another lucky day… RCA 6CG7 Clear Top. One of most wanted item. Tested very good on my Knight 600. Will check more detail after my Hickok 539B completely refurbished....
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Extra LM1875

Must be my lucky day… Could get 4 pcs of LM1875 with same batch number 😉...
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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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Vintage MilliAmperes Meter Repair

I have some collections of vintage meters. One of them have problem like shown below. The needle can’t be fixed on the zero position. It seems like the internal magnetic stabilizer parts have loosen its function or misplaced inside the...
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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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No Brand “300B Western Electric-like” and Valve Art/Shuguang Mesh 300B

A nice “300B Western Electric-like” tube from China and 300BS from Shuguang/Valve Art with Mesh design. Must be interesting to see how they both perform in the real world. Both are also very cheap for 300B tube....
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Measurement Meter Comparison

On this lazy new year, I do a comparison between some of my old cheap meter (for Capacitance and Multimeter) and my new well know brand, Sanwa. I finish some measurement for Capacitor and Resistor. It seems even the old...
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