will
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I have some NOS RFT/Seimans, labeled Brinmar, made in East Germany...farmed out from Siemens, perhaps in the 70s ...as I read up on the MB 450, I am thinking that these are different tubes. Aren't the MB 450s made in Germany...
From cursory surfing, I thought the 470 was different from the 450 also...definitely a lot cheaper. If you get good information on the tubes or try them, please let us know your impressions. They sound interesting.
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All Modified: Balanced Trans>Uber>Brickwall/Shunyata Defender>RevolutionMacMini/Amarra>Kitsune Singxer/Gustardx20pro; DIY ZBIT, ZRock2, CSP3, Torii IV, Simple Wave 300B, HR1; Pi PCs and DIY PCs, ICs, USB, I2S, Speaker; SR and aluminum w ball bearing feet mainly
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