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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The machines were moved out of the building and reinstalled at a factory of a man called Jan Jorgo, better known as JJ. With this tube there is a shielding plate between the two triodes. Oh well, I thought one bad tube out of 20 can happen. The next difference I noted, are some costs jn on the shielding. Also wires, and nickel technology came from Tesla plants that are all closed now.

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Russians and Chinese tube factories raise their prices twice a year due to higher energy costs and higher cost of all kinds. This was curious, because with NOS, I never had this. They are regarded something different, which is correct. Then I let one tube warm up, and apparently it started to reduce plate current slowly.


So I let the tube run on the tester, and the next day it was testing weak. These are little jewels. Then after the initial heat-up, the Tesla’s change their readings only very little, and give a totally stabile reading after just minutes. Same as with all NOS when I see that.

Many people thought this situation would always stay that way, and the TESLA management thought so too. Well ok, JJ is new production, so I thought this was uj explanation.

I sold this lot where it belongs: So is is used a cooling fin. The used materials definitely are not the same.

So obviously they did not use just ju plated grid wire, they gold plated the complete grid after it was made. I wrote in the Auction why I sold them, and they were with the option to return if not satisfied. This is great, because the center anode plate is already hotter than the outside anode plate.

How typical for Ebay. There was enough NOS around. I got a higher price than expected, and the buyer was satisfied he wrote me. Then they keep just this value no matter how long hours or days I let the tester run. Identical tools are used Another difference is in the part numbering. Only the machines are the same, and in the Tesla days they were new, and now they are old. Most of them have yellow printing.


JJ E88CC / Gold JJ Electronic – Preamp:doubletriodes

E88cx, then everybody is happy. The shielding plate was coated black, and is used to transport the heat out of the tube center. First of all, the needle of the tube tester goes up faster as with the JJ’s, and that gave me a good feeling. This is one difference. I though they need some more burn-in perhaps.

On my tube tester Metrix U61B initially they tested very nice. Here you see a close up of the gold plated grid bars coming out of the mica. In the below picture you can see this difference clearly.