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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25
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Description
Rare Matched QUAD PL504 NOS for Graaf GM100 GM200 OTL Amplifiers EI PhilipsPL504 EI Philips Platinum Matched quad Auction is for four tubes (matched quad) of rare PL504 EI Philips, the same codes, from the same batch (80 pcs styrofoam master packs). I had more then 500 pcs of these tubes, 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!!! Please order three quads for Graaf GM100 and you'll get 12 tubes
PL504 EI Philips Platinum Matched quad
Auction is for four tubes (matched quad) of rare PL504 EI Philips, the same codes, from the same batch (80 pcs styrofoam master packs).
I had more then 500 pcs of these tubes, 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!!!
Please order three quads for Graaf GM100 and you'll get 12 tubes matched within 5%.
For Graaf GM200, please order eight quads and you'll get 32 tubes matched within 5%.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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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]
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4.1 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 4
Cool not cold
Color: Light Gray, Size: Queen
Super silky like material. Comfy and fits pillow perfectly. Wish it could be a more cold then cool.
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Reviewed in the United States on June 1, 2026
★★★★★ 3
It’s ok could be cooler
Color: Light Gray, Size: Queen
Decent — could be cooler. They’re a nice color and texture. It fit my pillows well no annoying zippers it’s nice to sleep on and stay in place.
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Reviewed in the United States on March 8, 2026
★★★★★ 5
Comfort
Color: Champagne, Size: Queen
What a lifesaver, great feel, and awesome cooling feel
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Cool bedding
Color: Champagne, Size: Queen
As advertised nice and soft. But most of all cool. It really stays cool, especially on warm nights. A.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Actually cooling and comfortable.
Color: Royal Blue, Size: King
Incredible cases. Soft, super comfortable and actually cooling as claimed. Highly recommended. Love these!
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Reviewed in the United States on May 18, 2026