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Description
EL509 EL519 6KG6 EI Yugoslavia Philips Triple Mica NOS PLATINUM QUAD EAR859For sale is one perfectly matched quad (4 tubes) of genuine EL509 EL519 6KG6A made by EI Nis Yugoslavia under Philips licence in 1978, ADW codes. EL509 printed on each tube, but they have genuine ADW etched code and they are EL519 indeed. These tubes are specially selected for export without EI logo printed on each tube, you could see them rebranded Philips, Telefunken, Valvo, Tesla, RSD, Tungsram or Siemens They are from service packagings of 50 pcs
For sale is one perfectly matched quad (4 tubes) of genuine EL509 / EL519 / 6KG6A made by EI Nis Yugoslavia under Philips licence in 1978, ADW codes.
EL509 printed on each tube, but they have genuine ADW etched code and they are EL519 indeed.
These tubes are specially selected for export without EI logo printed on each tube, you could see them rebranded Philips, Telefunken, Valvo, Tesla, RSD, Tungsram or Siemens
They are from service packagings of 50 pcs in original individual boxes for every single tube. All four tubes are matched within 5% (platinum pair). True triple mica version (early Philips construction, much much better than later dual mica versions).
They are the same dates and exactly the same batch! Why this is so important?!? Because EI has bought materials from few suppliers and it could happen that you can find the same construction type, visually identical, but made from different materials. Those tubes will not change characteristics in the same way in your amplifier like ones from the same batch. These ones will be platinum quad for years ...
These tubes are perfect replacement tubes for EAR861 / EAR859 amplifiers.
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Exchange/Return Notes
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4.3 ★★★★★
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Product Reviews
★★★★★ 5
Eufy maintenance parts
Everything arrived in good condition and included everything I needed for regular maintenance of my vacuum.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Fantastic price for such great value
Love love this vacuum l!!!
Love that it’s easy to find replacement parts and for every part you’d need.
It does a fantastic job mapping out the floor and rooms. You can see where it’s been on the map and if you’re mopping, that feature makes it great because you know where you can go ahead and mop. It’s SO MUCH QUIETER than the Rumba and the Shark brand. It gives you the option to select rooms that you want vacuumed without having to do all rooms, it does use a bag and that concern me at first because I didn’t won’t to buy bags.
These bags last for a few months at a time and I’ve got an indoor cat so that means lots of hair.
It does an awesome job going anywhere it needs too and does great at picking up. It’s not large size base and fits nicely in a one foot area.
Over all I would definitely recommend and buy again from this company, the price and value to me is way better than the other Big Brands.
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Reviewed in the United States on November 20, 2025
★★★★★ 5
Replacement parts
I wish this package included an extra dust bag or two. I wasn’t paying attention when I ordered it alongside my new Eufy RoboVac.
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Reviewed in the United States on January 28, 2026
★★★★★ 5
Que las personas conozcan sobre los productos
Buen producto
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Reviewed in the United States on January 25, 2026
★★★★★ 5
Can't go wrong
Good stuff and amazing how it's packaged
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Reviewed in the United States on December 7, 2025