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http://audio-andromeda.blogspot.com/2005/03/pre-phono-lehmann-audio-black-cube.html
... il famoso UESUGI U-BROS 5 LOW serie Vintage
... HASHIMOTO HM3 e HASHIMOTO HM7...
(rapporto di elevazione 1:20 e 1:40 per il modello HM3, 1:30 per il modello HM7)
... ALTEC PEERLESS 15095
(rapporto di elevazione 1:10)...