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This time I restored the legendary Soviet acoustic systems RADIOTEHNIKA S-90. To be more precise, 35AC-012. In fact, these are the same 35AC-212, but due to the change in GOST, the model also changed. But the biggest distinguishing feature of these acoustic systems is that they are not mirrored! This is of course terrible! They are always left (or maybe right). To correct this, I bought another pair of S-90, but mirrored relative to the first pair. As for the work, everything is standard. Gluing and geometry of the case, replacement of the damping material, replacement of the terminals, maximum sealing and compaction of everything. Veneering with new black veneer and finishing coating with oil with hard wax. In fact, these are the same 35AC-212, but due to the change in GOST, the model has also changed. But the biggest distinguishing feature of these acoustic systems is that they are not mirrored! This is of course terrible! They are always left (or maybe right). To correct this, I bought another pair of S-90, but mirrored relative to the first pair. As for the work, everything is standard. Gluing and geometry of the case, replacement of the damping material, replacement of the terminals, maximum sealing and compaction of everything. Veneering with new black veneer and finishing coating with oil with hard wax. All communication options and platforms: Website https://www.morozworkshop.ru Zen https://dzen.ru/morozworkshop RUTUBE https://rutube.ru/channel/39151291/ YouTube / @morozworkshop YouTube LIVE / @moroz_live Group in VK https://vk.com/club227082388