I bought a RPM and a RBI (along with 3 other preamps) when I did my preamp auditioning. I A/B-ed these particular two preamps against one another for a couple of hours. I preferred the RPM to the RBI by far. If I recall correctly, I found the tones of each to be relatively aggressive with a slightly warmer tone going to the RPM; for my purposes, the RPM was more tweakable and had a more full yet clear bottom end.
Neither was my first choice so I sold them both, but the RPM was my second; I have often considered picking up another RPM to have in my arsenal.
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Originally Posted by BassManMike73 You own an rbi as well right? How would you compare the tone between the two? I'm still on the fence about trading with you. |