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- USA
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- USA
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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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Description
EL34 6CA7 Mullard Xf3 NOS Platinum Matched Quad Made in Blackburn, 1974For sale is one perfectly matched quad (4 tubes) of genuine EL34 6CA7 made by Mullard, Blackburn in 1974, Xf3 codes. Top mica spacer with 10 support points, folded plates (stapled), two slots on plates, black base with central hole in guiding pin. I had few 50 pcs boxes 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
For sale is one perfectly matched quad (4 tubes) of genuine EL34 / 6CA7 made by Mullard, Blackburn in 1974, Xf3 codes.
Top mica spacer with 10 support points, folded plates (stapled), two slots on plates, black base with central hole in guiding pin.
I had few 50 pcs boxes 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.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 1832 reviews
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Product Reviews
★★★★★ 5
Chews
Size: Extra Small, Color: Blue
Chewy toys to keep my dogs, teeth, healthy very important. This was a very good price and I highly recommend buying it for your puppy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026
★★★★★ 3
Dog likes some
Size: Extra Small, Color: Blue
Puppy will chew on this but not favorite. Over time it gets sharp pieces and dog could ingest. Not sure how safe for a small dog. Affordable but not long lasting.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Pug approved
Size: Extra Small, Color: Blue
Bought for my pug to teeth on when he was a puppy. He's almost year old and he still packs his little bone around
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2026
★★★★★ 5
Great for teeth cleaning
Size: Extra Small, Color: Blue
My dog loves it. She’s a Yorkie and it’s perfect for her.
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Reviewed in the United States on June 10, 2026
★★★★★ 1
Made for very small dogs- don’t buy if you have medium to large dogs
Size: Extra Small, Color: Blue
2 of my 3 dogs chewed right threw it <5 minutes of getting it causing a potential choking hazard. It’s small not durable but definitely soft. Only suitable for very small dogs
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Reviewed in the United States on April 17, 2026
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