Large dimension ECC88, with higher dissipation. Electrically not compatible! Tube fraud: Unfortunally a big item particularly with this tube number. On internet auction sites, tubes are re-labelled, retro-gold plated, re-branded and used tubes are put in re-printed new boxes with the stamps ne-newed.
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Nikok HQ dtenblatt made for the Czech post, datenglatt the Rosnov factory Code So all four systems of this pair are the same. It is not much but we have to say it. So you can see it yourself. For a true happened story, read the world of NOS.
Is your ECC88 humming or making noise? However not with those! Some tubes from equipment are sometimes actually never used. When frame grid tubes, we write it in the description. Large dimension ECC88, with higher dissipation. This tube excist as normal grid tube and as frame grid tube. Now that EI is closed sinceprices of EI tubes are expected to soar. Everything you want to know about how tube specsare determined, from flywheel shock testing to altitude testing to salt spraycorrosion resistance.
The rejects were probably sold a standard 6N1P, this is normal. These were made for the military, as you can see from the sword signs on the back side of the tube.
Please note with some not with all the print text has suffered somewhat from storage. Elektronska Industri, former Yugislavia. Well, I think experience and detailed product knowledge is the same!
JAN was the first choice, the rest got sold commerically. Leave it up to a technician otherwise. We have Money-back guarantee on those. This is not possible for the most wanted part numebrs. Frame grid wires can be as thin as 10um, which is technologically speaking a masterpiece of fine mechanics. They were supplied with first class tubes by the manufacturers, and the country of origin is always printed on the tubes.
This is confirmed by the construction, there is the characteristical A-Shaped getter holder inside, and more details. Please note that these are OEM spec sheets,except for some of the Resistance Coupled Amplifier charts, you will not be downloading any pages of a regular tube manual that you already have. This was told to me by a retired Telefunken Ulm Employee, so I think this is very reliable information.
These are no JJ Tubes. Eech test must be in between following limits: Check also next item, below here. These have lower noise, and less distortion. Low noise version of 6N1P. The frame grids have generally better parameter stability, lower noise and lower hum. Here are the possible answers, only ONE answer is correct. Not directly compatible to ECC88, so a secret tip if you can design your won circuits. The frame grid wire is ratenblatt thin, when you open up a defective tube, you can not see it with the bare eye.
ECC88 DATENBLATT PDF
Mikazil In many problem cases, the ECC88 is not used correct. Note ifyou already have an RCA tube manual, and if the tubeslisted on the RCA charts in the back are same as here, the pageswill be the same as what you already datenbpatt. This tube excist as normal grid tube and as frame grid tube. ECC88 Datasheet They were supplied with first class tubes by the manufacturers, and the country of origin is always printed on the tubes. With good test value also, but these we could not match. JAN Testing is a military proces for lot qualification, which makes sure that weak production series will not pass as a whole.
Nikogar Done so in when these were made, but JAN testing is still used for semiconductors as well. You datenblxtt order any pair you like, as long as we have it available. Some tubes from equipment are sometimes actually never used. Note, National was a tube re-branding company of very good reputation. Now of course manufacturers could still sell such tubes on the commercial market, but the military refused to take those. They are pre-selected in pairs.
Click Here for sheeton Sovtek 6B4-G. High Quality tubes from the Prague factory Code Like this, and no other way! We have Money-back guarantee on those. KT90 Note, larger 2 pages wide files, about 80Kbytes each.