1 RARE Raytheon 7731 7199 Gold Pin Vacuum Tube Tested NOS On TV7

1 RARE Raytheon 7731 ECF82 Gold Pin Vacuum Tube Tested NOS On TV7 Average new tube value is -84/84 Tubes tested – 82/84 Minimum tube value – 57/57 You can rewire the socket and use this tube instead of a 7199 tube Date code is – M22 Rare Premium 6U8 tube. This tube tested NOS on my newly calibrated TV – 7 tube tester. This tester also is used in conjunction with a variac to maintain test results accuracy and consistency. The tester was calibrated by Mr. Paul Hart. The tube Passed The short test ,gas test, filament test and life test. I will always list original photos of actual item you are receiving I will ship within 24 hours of payment received Any questions please send me a message APPRECIATE YOUR BUSINESS Thank You

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One Gold plated 12AU7 12BH7 E80CC to 5687 7044 7119 Vacuum tube convert socket

– ————- Description – ————- Product Description: Vacuum Tube Amplifier Convert Socket Top is 12AU7 12BH7 E80CC. Bottom is 5687 7119 7044 EL82CC If you need other type of Amplifier Convert Socket , please contact us at eBay We have a large number of Vacuum Tube Amplifier Convert Socket Welcome come to consult and purchase Product Dimensions: Diameter: 2.4cm/0.95in Height: 2.9cm/1.14in(Including convert socket pin) 2.2cm/0.87in( Not Including convert socket pin) Product Quantity: Vacuum Tube Amplifier Convert Socket*1 Product Origin: China The price is single Suitable for speaker, amplifier,CD player etc. – ————- Payment – ————- The terms of payment we accept: PAYPAL If you have any questions, please feel free to contact me – ————- Shipping – ————- When I receive your payment. I will send your items within 1-3 days We provide professional packaging services to ensure that you receive your items safely. – ————- About postage – ————- If you purchase multiple items from our store, we offer combined shipping to save you money. – ————- About us – ————- Quality merchandise and customer service is our primary concern. Many of our customers come back to us again and again because of our integrity, fair prices, and excellent customer service, regardless of where they live in the world – ————- Contact us – ————- Hello.If you have any questions about the goods, please let me know. I will contact you actively. Give you a reasonable solution. I hope we can have a good deal. thank you very much. :)

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Mullard E182CC 7119 5687 NOS Excellent Testing Matched Pair D Getter

You are bidding for one pair Mullard made by Amperex E182CC/7119/5687 NOS NIB D getter made in Holland Excellent Testing Matched Pair. They are tested on my TV-7D/U in the NOS range and sound excellent in my hifi system. The tubes come with reissued Mullard boxes. What you see is what you get. Please ask questions if unsure. Thanks P/S: The shipping fees in the listing is by regular mail (normally Vietnam post) taking from 12-25 days depending on buyers' local customs. To some regions, it can take even longer than that. Besides, Vietnam post is not always available to some countries in South America, Northern Europe or Africa. Please ask me before paying. If you want to use express shipping services like DHL, Fedex or UPS express taking 3-7 working days, you have to pay an extra of around $68.75. (For order over $1000, Express shipping service is a must. Please wait for the invoice to pay). Please let me know so that I can send you an invoice. If the item(s) purchased may not arrive or faulty, please don't hesitate to contact me before opening cases on ebay. I am willing to reach to a solution and make you completely satisfied. Thanks a million

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E182CC/ 7119 PHILIPS SQ GOLD PIN IN ADZAM BOX TESTED WITH ROETEST V10 NOS/NIB

E182CC/ 7119 PHILIPS SQ GOLD PIN TESTED WITH ROETEST V10 NOS/NIB Lot of 1 Pcs. NOS/NIB Lot of 1 Pcs. Buyer will receive the exact tube seen in photos. The tubes meet datasheet specifications, first the quality tests – filament test, shorts test, gassy test (Ig1, vacuum factor, Ia variation with 1M2 grid series resistor), kathode isolation (leakage to filament), then quantity tests – value of current for plate, kathod, G1, value for transconductance, gain, G1 curve, Ia curve etc., all results for these tests can be seen on te datasheet delivered for each tube. Those who use tubes are more familiar with terms like bias, gain (µ), plate current, slope/transconductance, and maybe someone is wondering what the term „D of plate” in the measured data means. Its value in itself is not so important but it is useful to calculate the other parameters taking into account Barkhausen’s tubular formula S x D x Ri = 1 (slope * penetration * internal resistance=1), where D is –dUg/dUa at Ia=const. Barkhausen vas a german physicist, he was “the guru” of tubes, his theory and formulas guided the entire period of electronic tubes. Please allow for the following shipping times:EU countries: 5-8 business days, on rare occasions a few days more USA: 10-15 business days, on rare occasions more South East Asia (Japan, Singapore, S. Korea, Hong Kong, Taiwan etc) 10 business days, on rare occasions more India, China, Russia, Kazakhstan, Pakistan, Indonesia, Malaysia, Thailand, Australia, South Africa etc: at least 15 business days, but frequently around 25 business days Please note that shipping cost is calculated at average. If you have any objections please contact me for a specific quotation.

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