ECC88 page sheet date. 1. 1. 2. 2. 3. 3. 4. A . 5. B. 6. C. 7. FP. 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 Eech test must be in between following limits: ECC 6DJ8. 6,3V. is balanced and matched, per datasheet specification, this is highest.

Author: Zologore Ner
Country: Sweden
Language: English (Spanish)
Genre: Finance
Published (Last): 25 March 2018
Pages: 295
PDF File Size: 6.79 Mb
ePub File Size: 18.81 Mb
ISBN: 265-2-46784-147-7
Downloads: 43835
Price: Free* [*Free Regsitration Required]
Uploader: Magami

So you take samples, you overload them for a certain time, and when too many fail the whole lot is rejected. So if you order for instance tube 4 from this list, it is pre-matched with tube 8. Only do these measurements inside your amplifier, when you have experience with this.

These come with Amplitrex computer test report. In many problem cases, the ECC88 is not used correct. The frame grids have generally better parameter stability, lower noise and lower hum.

Large dimension ECC88, with higher dissipation. Also you should try the Svetlana types 6N1P. The ones we sell, are “EB”, also when not specified like this, eccc88 what they are.

This pair has printed on the glass: Now that EI is closed sinceprices of EI tubes are expected to exc88. Page1Page2Page3Page4.

Made on Philips machines. Assessment of The Microwave Tube Industryan inside look at what high-tech tubes are used for, why they’re used instead of transistors, what’s in them lots of beryllium! Is your ECC88 humming or making adtenblatt

  LEY 26739 PDF

Left tube on the picture. Note that the newElectro-Harmonix A is now available,and it does not requireany rewiring to use. Perfect quality, good boxes. This tube excist as normal grid tube and as frame grid tube. They test all at 15mA, with grid voltage variation of less than 0,2 Volt!! Is your Dafenblatt microphonic? Datenblaty negative result is, end users have to swap tubes all of the time, and desparately try to draw conclusions from this.

Printing is fainted, but unburned, very white still. The VI Version is balanced and matched, per datasheet specification, this is highest quality.

TDSL Tube data [ECC88]

This may help you more than changing tubes. These tubes are boxed and branded “National” USA. Factory does not excist any more: Used tubes of this type generally have more hum and noise. They are pre-selected in pairs. Not directly compatible to ECC88, so a secret tip if you can design your won circuits. Clear white print like new, from spare equipment. Set it on AC, and if nothing is read, set it on DC. Strangely so, but I see it over and over again. This is a very critical one, and can cause a good tube to get defective, or give hum, sparks or other noise, when exceeded.

All others are gone, gone, gone.

ECC88 Datasheet

These have lower ecc888, and less distortion. These are no JJ Tubes. Read this table from the beginning. We have Money-back guarantee on those. Order nr for a matched and balanced pair: Sovtek 6B4-G and 2A3 are slightlydifferent.


Eech test must be in between following limits: When satenblatt 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”. When you refer to finest datasheet details, they say they don’t need to know, they have already “30 years experience”. Please note with some not with all the print text has suffered datenvlatt from storage.

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.

This is the reason why JAN tested tubes are so often agvailable as commercial tubes also!! With good test value also, but these we could not match. This ec8c8 not possible for the most wanted part numebrs. Here is a Link to all test reports.

Like this, and no other way! Elektronska Industri, former Yugislavia. This batch had very good values.

This is a very hard way of testing, since “good” tubes must still be rejected when they come from a production series where too many have failed the JAN tests.

Related Posts