Posted on Monday, 8th February 2010 by Jimmy Auw

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 say. Also my Duelund CAST Silver delayed to mid of March. It makes me also miss the Duelund sound so much. That’s also another reason to stay away from serious listening session, for a while.

I prefer to do simple pending task, like disassembly my Hickok 539B Tube Tester. This heavy tube tester really consumes my energy more than I expect.

Below is the general appearance inside the tester. Two rectifier, one is the “deadly” #83 Mercury Vapor Rectifier and the other is 5Y3GT Rectifier.

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Tags: 539B, hickok, tube tester
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Posted on Saturday, 23rd January 2010 by Jimmy Auw

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 remove all the buttons to wipe out all the dust and dirty things from the front plate.

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Tags: hickok, tube tester
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Posted on Friday, 8th January 2010 by Jimmy Auw

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 very heavy tester. I believe it’s over 10 Kgs. So please also don’t ask the shipping cost to deliver this item from other continent.

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Tags: 539B, hickok, tube tester
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