Tube Pre-AmplifierFilterBrands All brands Octave Rogue Audio 3 ProductsShow:12243672VanTotSort by:Sort byDefaultMost viewedNewest ProductsLowest priceHighest priceName ascendingName descendingAdd to cartLogin for wishlistOctave HP 700 SE Tube Preamplifier ( each )$12,500.00 Add to cartLogin for wishlistOctave HP 300 SE Tube Preamplifier ( each )$6,400.00 Add to cartLogin for wishlistRogue Audio RP-1 Tube Preamplifier$1,795.00