TBT: Rogue Audio RP-9 Vacuum Tube Stereo Preamplifier Review

TBT: Rogue Audio RP-9 Vacuum Tube Stereo Preamplifier Review

TBT: Rogue Audio RP-9 Vacuum Tube Stereo Preamplifier Review

Posted by on 2024-05-16

Rogue Audio's RP-9 is the latest flagship preamplifier from the ingenious designs of the American manufacturing workshop of Mark O'Brien.  Having an interest in doing this review of the new RP-9 was a simple decision as a long-time user of the Rogue RP-7.  I have been using the remarkable powerhouse Rogue Apollo Dark Amps for several years as both a sonic and output upgrade to my previously owned Rogue 180 Amplifiers that were used to run Magnepan 3.6 speakers.