Page 1. Page 2. Page 3. Page 4. Page 5. Page 6. Page 7. Page 8. Page 9. Page Page Page Page Page Page Page The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 45 mm tall. References: Datasheet &. Type E88CC was first introduced. Page 1. Page 2. Page 3. Page 4. Page 5. Page 6. Page 7. Page 8.

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Is your ECC88 microphonic? It is not much but we have to say it. These are the later technology, and also a technology only very few could make.

TDSL Tube data [E88CC]

When no, then skip this text. Some tubes from equipment are sometimes actually never used. So you take samples, you overload them for a certain time, and when too many fail the whole lot is rejected. Is your ECC88 humming or making noise? Factory does not excist any more: Here are the possible answers, only E88cf answer is correct. Made on Philips machines.


However not with those! With good test value also, but these we could not match. This may help you more than datasheft tubes. When it writes on there “ECC88, 1 ” as you see on the picture here this means this tube was made in Germany, indicated by the number “1”. So all four systems of this pair are the same.

Used, but look and test like new. When frame grid tubes, we write it in the description. The next three boxes are a short overview of the most important thing to check, in case of a problem.

6922/ECC88/E88CC double triode

What is best, we had a small lot, and we have been able to select them all in perfectly balanced and matched pairs. Done so in when these were made, but JAN testing is still used for semiconductors as well. Large dimension ECC88, dataheet higher dissipation. All from the same factory code. They are waiting for you there. The ones we sell, are “EB”, also when not specified like this, it’s what they are.

Also read here Uh-k. Perfect quality, good boxes.

Strangely so, but I see it over and over again. So if you order for instance tube 4 from this list, it is pre-matched with tube 8. These come with Amplitrex computer test report.


High Quality tubes from the Prague factory Code Not directly compatible to ECC88, so a secret tip if you can design your won circuits. Clear white print like new, from spare equipment. Note, National was a tube re-branding company of very good reputation.

Now eatasheet EI is closed sinceprices of EI tubes are expected to soar.

E88CC Datasheet

Please note with some not with all the print text has suffered somewhat from storage. Left tube on the picture. If you want a single you can only take the ones we have, we can not break up a pair for it. Now of course manufacturers could still sell such tubes on the commercial market, but the military refused to take those.

NOS original box Order nr for a matched and balanced pair: This pair has printed on the glass: