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Description
Siemens E81CC ECC801S 6201 ECC81 Matched pair triple mica W. Germany USED TESTEDMatched pair (two tubes) of rare Siemens & Halske E81CC ECC801S 6201 They are premium, triple mica, copper grid posts, dual getter support, long life version of ECC81 12AT7. This is true E81CC by Siemens & Halske, great sounding tube. The tubes are slightly USED, pull outs from professional military devices! They are carefully tested and matched on calibrated Metrix U61B tester. They are tested with 250V on plates and 3. 0V on grids, 100% at these
Matched pair (two tubes) of rare Siemens & Halske E81CC ECC801S 6201
They are premium, triple mica, copper grid posts, dual getter support, long life version of ECC81 / 12AT7.
This is true E81CC by Siemens & Halske, great sounding tube.ย The tubes are slightly USED, pull outs from professional military devices!
They are carefully tested and matched on calibrated Metrix U61B tester. They are tested with 250V on plates and -3.0V on grids, 100% at these voltages is 5.3mA, these tubes measure 90-115% of NOS values.
They are made in Munich Siemens&Halske tube plant and # logo is visible on photos.
They are used, but please pay attention, that they are premium long life tubes with totally different cathode coating and 10000 hours of use within specs, so they will have few decades of use in some well designed preamp. No returns please on this item!
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Based on 1059 reviews
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Product Reviews
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5
Good
Format: Paperback
This is great! I like this one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 22, 2016
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2
Good to have if you've never seen the iTEP exam, but don't rely on it to boost your scores
Format: Paperback
This book is good in that it comes with two practice tests: one in the beginning of the book, one in the end of the book. The grading rubric is helpful too. However, the actual guide part of the book, doesn't help too much with how to improve test scores. What I like least about this guide is that it won't tell you which questions you answered incorrectly on the practice exams. A good test prep guide will tell you what you answered incorrectly, and will tell you what logic to follow to get to the correct answer. In the reading passages, it would be nice to know where I can find evidence to justify the "correct" answer. In the grammar section, it would be nice to know which rule I'm violating. Any test guide should always come with some testing strategies. I.E. If this question is taking up too much time, skip it and go to the next one. This guide lacks simple strategies like that. Simple strategies like that could be useful when incorporated into this guide because there are certain sections on the exam that you can go back to previous questions, but some sections where the "back" button is disabled.
Overall, if you've never seen an iTEP exam before, this book is certainly helpful in that it will give you an idea of what you will be testing for. However, this book alone won't help you achieve a score of 6. The table of contents itself will tell you there are only 86 pages of actual content covering test material. That's not enough to cover how to excel in the exam.
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Reviewed in the United States on January 27, 2015
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1
Don't buy it
Format: Paperback
It does not prepare for the real test.
Using it is absolutely not enough to be approved with good grades.
Too expensive for what it offers.
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Reviewed in the United States on October 21, 2016
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5
Five Stars
Format: Paperback
great
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Reviewed in the United States on September 18, 2016
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5
go o o o o
Format: Paperback
goโoโoโoโoโd
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Reviewed in the United States on October 21, 2014
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