Buy JJ / E88CC Gold Pin Vacuum Tube: Tubes – ✓ FREE DELIVERY possible on eligible purchases. A perfect fit for any amplifier / preamplifier using 6DJ8 / ECC88 / / E88CC or Smooth mids and highs with great detail. Compare with other tubes here. Confidently standing alongside these vintage offerings, this JJ E88CC Gold Pin tube is full-bodied, with a very large soundstage that doesn’t fall apart with.

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Well ok, E88cx is new production, so I thought this was the explanation. Only the machines are the same, and in the Tesla days they were new, and now they are old. What a quality this is!

I sold this lot where it belongs: The used materials definitely are not the same. This is one difference. Then they keep just this value no matter how long hours or days I let the tester run. Most of them have yellow printing. Then after the initial heat-up, the Tesla’s change their readings only very little, and give a totally stabile reading after just minutes.

Oh well, I thought one bad tube out r88cc 20 can happen. So obviously they did not use just gold plated grid wire, they gold plated the complete grid after it was made.


On my tube tester Metrix U61B initially they tested very nice. In the below picture you can see this difference clearly. There was enough NOS around. With this tube there is a shielding plate between the two triodes. The machines were moved out of the building and reinstalled at a factory of a man called Jan Jorgo, better known as JJ.

This is great, because the center anode plate is already hotter than the outside anode plate. Also wires, and nickel technology came f88cc Tesla plants that are all closed now.

JJ Electronics 6922/E88CC Vintage Tube

The shielding plate was coated black, and is used to transport the heat out of the tube center. Same as with all NOS when I see that. These are from the ‘s. So I jh the tube run on the tester, and the next day it was testing weak. Bidders were fighting for them. First of all, the needle of the tube tester goes up faster as with the JJ’s, and that gave e8cc a good feeling. I wrote in the Auction why I sold them, and they were with the option to return if not satisfied.


I got a higher price than nj, and the buyer was satisfied he wrote me. Then I let one tube warm up, and apparently it started to reduce plate current slowly.

Compare of TESLA TUBES with JJ TUBES.

Identical tools are used Another difference is in the part numbering. Here you see a close up of the gold plated grid bars coming out of the mica.

This was curious, because with NOS, I never had this. These are little jewels.

JJ Electronic – E88CC – , 6DJ8

Many people thought this situation would always stay that way, and the TESLA management thought so too. Russians and Chinese tube factories raise their prices twice a year due to higher energy costs and higher cost of all kinds.

D88cc though they need some more burn-in perhaps. They are regarded something different, which is correct. How typical for Ebay. The next difference I noted, are some costs savings on the shielding.

Well, then everybody is happy. So is is used a cooling fin.