SKU: 60147520593

EL34 6CA7 Mullard Xf3 NOS Platinum Matched Quad Blackburn 1975 Rebranded Siemens

$562.27 $624.75
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Description

EL34 6CA7 Mullard Xf3 NOS Platinum Matched Quad Blackburn 1975 Rebranded SiemensOne perfectly matched quad of genuine EL34 6CA7 made by Mullard, Blackburn in 1975, Xf3 codes. They are rebranded Siemens (Siemens has never made any EL34!), NOS NIB, in original Siemens boxes. Top mica spacer with 10 support points, folded plates (stapled), two slots on plates, black base with central hole in guiding pin. I had a few dozen of these tubes (all the same date codes!!!), and all quads I have are carefully tested and matched by plate

One perfectly matched quad of genuine EL34 / 6CA7 made by Mullard, Blackburn in 1975, Xf3 codes. 


They are rebranded Siemens (Siemens has never made any EL34!), NOS NIB, in original Siemens boxes. 
Top mica spacer with 10 support points, folded plates (stapled), two slots on plates, black base with central hole in guiding pin. 


I had a few dozen of these tubes (all the same date codes!!!), and all quads I have are carefully tested and matched by plate current on my Metrix U61-B tester. Due to big number of tested tubes, they are matched within 5% or less!!! These are very strong examples, selected from big number of the same batch tubes!

It's really hard to find four practically exact genuine NOS Mullard EL34 with perfect prints and the same etched codes today, be fast and take this opportunity while they are still in stock!!!












This is a private listing and I do not give a warranty about the quality of the valves, and I do not accept returns. These valves are carefully matched and they are 100% in perfect working condition, I simply can not take responsibility for some users who do not know how to change tubes in their amplifiers.

If you buy any item on ebay from me and for if you are not fully satisfied for any reason or have any complains, please send me message before leaving negative or neutral feedback or opening a case. I really do care about your satisfaction and I’ll do my best to solve any kind of problem.

I collect tubes and tube gear for more then 35 years and I start to sell recently, please be sure to check my other items and visit my store for more rare NOS tubes and parts.

I have more than 250000 NOS tubes in stock and just small part is listed here, if you are interested in any specific tube or part, please send me message.

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SKU: 60147520593

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Nursing school book that helps
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I use this book for nursing school :0. The book covers a broad range of topics including cardiovascular diseases, respiratory conditions, diabetes, mental health, and much more. Each chapter is written by experts in the field, providing a high level of expertise and insight into best practices for managing various medical conditions. One of the things I appreciate about this book is the clear and concise writing style. The guidelines are presented in a format that is easy to understand and follow, making it an ideal resource for busy practitioners. Additionally, the authors have included helpful algorithms and decision trees to aid in the management of complex cases. Another strength of this book is the emphasis on evidence-based medicine. The guidelines are based on the latest research and are regularly updated to reflect new developments in the field. This ensures that healthcare professionals can provide the most effective and appropriate care for their patients. Overall, I highly recommend Clinical Guidelines in Primary Care for healthcare professionals working in primary care settings. It is a comprehensive and practical guide that provides evidence-based recommendations for the diagnosis and management of a wide range of medical conditions.
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As a resource for NP school (and even after, I'm sure), this book is fantastic. I recommend it to anyone asking if it's worth it. I, however, refer them to a different site than Amazon as it is cheaper straight from the publisher. Significantly so. A hundred dollars difference doesn't quite justify the next day or 2-day delivery.
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Los Angeles, US
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So good for soap notes!
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I wish I could have gotten this sooner when we had to write soap notes. It explains the illness, symptoms, tests, treatments, referrals and follow ups. I got it used and it came in great condition. Would definitely buy again!
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This book has been my life line with school. Freaking amazing and worth every penny.
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I’m an FNP student and I love this. Great for hw and clinicals. Although I don’t take it to clinicals because it’s on the bigger and heavier side, but I do use it when I’m puzzled on a patient once I get home.
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