SKU: 95730478265

Platinum matched quad PL81 21A6 EI Philips NOS tube pentode N152

$76.49 $84.99
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Description

Platinum matched quad PL81 21A6 EI Philips NOS tube pentode N152Brand: Mullard Type: EL86 6CW5 Country of Manufacture: Great Britain Auction is for four (4) tubes, platinum matched quad within 5% of PL81 21A6. I have few boxes of 100 pcs PL81 21A6 made in EI tube plant back in 1982. These are premium grade PL81 tubes with exceptional quality control. All quads I have listed for sale are really perfectly matched with exact or almost exact parameters due to big qty I have in stock and all quads are with same etched

Brand: Mullard

Type: EL86 6CW5

Country of Manufacture: Great Britain

Auction is for four (4) tubes, platinum matched quad within 5% of  PL81 21A6. 

I have few boxes of 100 pcs PL81 / 21A6 made in EI tube plant back in 1982. These are premium grade PL81 tubes with exceptional quality control. 



All quads I have listed for sale are really perfectly matched with exact or almost exact parameters due to big qty I have in stock and all quads are with same etched codes.




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: 95730478265

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4.2 ★★★★★
Based on 19 reviews
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Product Reviews
C
Verified Purchase
Cait E
Bozeman, US
★★★★★ 5
These ACTUALLY stay put all day long - I was skeptical, but am so glad I took a chance on these
Size: Medium, Color: (014) Halo Gray / Halo Gray / Castlerock
I was so skeptical about whether these would stay on my feet all day without sliding down into my shoe - I’ve tried so many socks in the past with the silicone strip on the heel which failed. I’ve owned these for a couple months now and they have never slipped down - they stay put all day! I love the variety of colors to choose from, and the value per pack is great since six pairs come per pack (I thought it was only three when I first purchased and was pleasantly surprised by the additional pairs). They also have perfect thickness - not too warm to wear during the summer months with sneakers; I live in a tropical climate, though, so I’m not sure how they will do in cooler climates. I’ve washed each pair once or twice and the color and quality of the silicone has stayed so far (knock on wood). Overall: high recommend based on my experience so far!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 13, 2025
M
Verified Purchase
Maggie Vega
Waukegan, US
★★★★★ 5
Great fit!
Size: Medium, Color: (403) Washed Navy / Washed Navy / Blue Smoke
Great quality!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
K
Verified Purchase
Kira Stewart
Cuba, US
★★★★★ 5
My favorite socks
Size: Medium, Color: (659) Fuchsia Dusk / Fuchsia Dusk / Tourmaline Pink
Very comfortable. True to size. Moisture wicking
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
T
Verified Purchase
Theresa
West Palm Beach, US
★★★★★ 4
No show but stays on
Size: Medium, Color: (014) Halo Gray / Halo Gray / Castlerock
I wear these socks daily. They truly don’t show with my workout shoes or with hey dudes. But the best thing about them is that they actually stay on your foot. I work out hard and I don’t ever have to pull them up. I do wish they were just a little bit thicker than they are, but they are definitely a product I will buy again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
B
Verified Purchase
B
Lexington, US
★★★★★ 5
Great socks
My fav socks. I am a size 9 women’s and they fit perfect. They are soft and comfortable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026

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