rotel.comrotel.com/sites/default/files/rq970bx-sensiblesound-oct03.pdf · AVA Omega Ill EC preamp...
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rotel.comrotel.com/sites/default/files/rq970bx-sensiblesound-oct03.pdf · AVA Omega Ill EC preamp back to AVA for the addition of tape buffers and a general upgrade ... on the Rotel