Are you using the 555se’s unbalanced? because that is 100kohm where the balanced is only 10kohm.
Cheers George
Don't think my preamp likes feeding signal to two seperate places.
I have read in another thread that the multiple outputs on ARC preamps are just additional outputs that are all wired directly to the single analog stage in the ARC. In other words, this is no better than using a Y-splitter cable to feed both the X30 and the main amp. In this situation, you could have a scenario where the combined impedance of the X30 and main amp is dropping the impedance average so low that the ARC can't drive them properly. I don't know if this will affect the highs, but I suspect that it is possible (others on this forum will have to confirm this). The only preamp I have found to actually have multiple output audio stages is the Classe CP-800. You can actually use multiple outputs on that preamp at the same time without an impedance problem. Alternative is to get something higher end like a Bryston 10B crossover. Use the balanced outputs on the ARC to drive the Bryston crossover, and then use BOTH the low-pass and high-pass outputs on the Bryston to drive the sub/main amps. |
Looks like this person ran into the same issue! LOL https://forum.audiogon.com/discussions/arc-ref-3-main-output-impedance-question?highlight=paradigm%2... |