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Description
Philips GEC 6080 6AS7 5998 ECC230 Matched pair NOS NIB SQ Square GetterAuction is for two (matched pair) extremely rare GEC 6080 ECC230 6AS7 5998 black plates double power triode. (brown bakelite base, gold grids, true triple mica, dual square getter (double bar square getter!!!)) They are branded Philips and they come in original Philips boxes + wrapped in paper. Boxes are in bad shape, but tubes, as well prints on tubes are in perfect condition. Made in GEC tube plant in late 50s, no Philips Mullard codes, 6080 RD Z in
Auction is for two (matched pair) extremely rare GEC 6080 / ECC230 / 6AS7 / 5998 black plates double power triode. (brown bakelite base, gold grids, true triple mica, dual square getter (double bar square getter!!!))
They are branded Philips and they come in original Philips boxes + wrapped in paper. Boxes are in bad shape, but tubes, as well prints on tubes are in perfect condition.
Made in GEC tube plant in late 50s, no Philips / Mullard codes, 6080 RD Z in rectangular codes are clearly visible on photos.
These tubes are factory pre selected for balanced sections and the best cathodes of complete batch!!!
That's why they have "SQ" Special Quality sign and in 60's this label wasn't just marketing ploy, just 5% of complete production had it. They are real gems indeed and they sound like that.
They are carefully matched by plate current on my calibrated Metrix U61B state of the art tester. Very strong pair, tested with 100V on anodes and -24V on grids: (175 / 172) (174 / 175) mA
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4.5 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 1
Don’t buy
Size: 5 in
I bought one at a store for my Rottweiler puppy, about 2 months ago, I bought one from here n about 5 minutes she had chewed the end off, they did send me another, no charge, well I received the other bone yesterday, she chewed a big split in it. Won’t buy anymore, I’m out the money, which isn’t much. Made in China also, no more. Going back to Kong toys, they do last with aggressive chewers. Don’t know why but the one I bought at the store is holding up real good.
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Reviewed in the United States on January 20, 2022
★★★★★ 3
Eh...
Size: 5 in
I had high hopes for these cause we have other spot brand toys that have last a long time. Unfortunately these just don't hold up to the test! My dogs had them broken in about 5 - 10 mins. They did smell good tho and my dogs went crazy over them before I ever got them out of the bag. Lol.
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Reviewed in the United States on July 28, 2022
★★★★★ 1
Smells too strong
Size: 5 in
My dog hates the way this thing smells. She tries to play with it, but the scent is too strong for her nose. I know it's the scent because she usually sniffs it two or three times in between trying to grab it with her mouth. She treats it like an explosive in her mouth and quickly moves away after spitting it out.
She used to have a bone that looked similar to this (same material) that was unscented and she gnawed the hell out of it. My sister's pitbull spent the night and chewed that toy into bits, leaving my Yorkie mourning the loss of her once treasured bone.
Please make an UNSCENTED version of this toy!!!!
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Reviewed in the United States on April 23, 2023
★★★★★ 5
Worth the money for heavy chewers
Color: Brown-X
I finally found a dog chew that my puppy can't destroy in a half an hour or less. My puppy loves this, chews on it for hours and still holding up.
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Reviewed in the United States on February 10, 2026
★★★★★ 5
Holds up to a
Color: Brown-O
Bought this because of other positive reviews. It does hold up to an aggressive chewer but the pieces are sharp once it’s “broken in”. I bought the circular one as I figured that one would be less likely to break. It is still good after about 6 weeks.
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Reviewed in the United States on December 22, 2025
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