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Description
Platinum Matched Pair (2 tubes) ECC83 12AX7 RFT Germany rebranded RSD NOS NIBTwo (2 pcs) fully tested NOS tubes, platinum matched pair of rare ECC83 12AX7 RFT made in Germany. Made in famous Muhlhousen tube plant, back in 1974. NOS New Old Stock NIB New In Original Boxes They are real vintage NOS tubes in original boxes made back in 1974 in RFT tube factory. They are rebranded RSD and they are in original RSD red&black boxes. I have more than 100 pcs of these tubes and I had enough time last few months to carefully measure
Two (2 pcs) fully tested NOS tubes, platinum matched pair of rare ECC83 12AX7 RFT made in Germany.Made in famous Muhlhousen tube plant, back in 1974.
NOS - New Old Stock
NIB - New In Original Boxes
They are real vintage NOS tubes in original boxes made back in 1974 in RFT tube factory. They are rebranded RSD and they are in original RSD red&black boxes.
I have more than 100 pcs of these tubes and I had enough time last few months to carefully measure them on calibrated Metrix and Tesla tube testers for plate currents and Hickok for transconductance and to make platinum matched pairs with perfectly balanced triode sections.
Surprisingly good sounding NOS tube in hi end audio amplifiers and in guitar amplifiers too!
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4.1 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Quality, Cute, Fun Toys for My Medium Sized Dogs
My dogs were very happy with these as Christmas gifts, and I’m very happy that I do not have worry about my dogs ingesting a bunch of stuffing or that I have to pick up stuffing all over the house.
These are very cute, are of good quality, and are big enough for medium sized dogs to play with.
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Reviewed in the United States on January 11, 2026
★★★★★ 3
Pretty good. Maybe better for smaller less vilolent doggies.
Liked the colors and the concept. Did take care of the "stuffie pollution problem". Seems durable enough for my dogs to play "tug of war" with. I do think however the squeakers need more protection as they were toast in mere minutes it seemed. I think I will look for some made with canvas like material on outside to see if that will make them last longer. Special thanks to my "Testers" Luna and Chunky! Cheers!
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Reviewed in the United States on October 12, 2025
★★★★★ 4
Toy monster
My dog loved them, but did not live long. My 33lb dog is a killer with dog toys and this was like candy for her.
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Reviewed in the United States on October 26, 2025
★★★★★ 5
Good Deal
Price is right, no stuffing to pick up, dogs love them and just throw them out after they’re dirty and your dog got the squeaker out.
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Reviewed in the United States on October 3, 2025
★★★★★ 5
Fun solid ball
Style: Recharges, Size: Medium, Style: Recharges, Size: Medium
Great squeaky balls! Glow doesn’t last for a long time, but they go far in the Chuck it. Solid ball, my dog doesn’t seem to destroy them.
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Reviewed in the United States on February 11, 2026