Rerurn to Romy the Cat's Site

If you follow this thread and my successes and tribulation with PurePower regenerators than you remember that I had problem with sound running two PP2000 for right and left channels.  So, I had everything, including my DAW plugged into on PP2000, recently into PP3000, and I felt that it was better configuration. Theoretically I would like to have computer with all its switching power supply to be ploughed into some kind of separate isolated secretly, apart with the rest of my analog, linear PS gear but the idea did not go too far.

Two day back, making some experiment with PP3000 and having it turn on and off I got sick from my dying DAW get constantly rebooted. So, I took my old PP2000, install it in basement and powered my computer from it, driven this PP2000 from another half of 240V line.  So, effectively I got PP2000 driven from one side of 240V and powering only computer and PP3000 driven from another half of 240V powering my entire system with analog PS. The PP3000 and PP2000 not are sitting very far from each other, in fact in different rooms. PP2000 runs 7% load and PP3000 with power amps on does around 45% load.

You know I like the result on analog side (PP3000) very much. The sound got a bit more “useful crunch”. I did not check the DAW sound and it is frankly complicated to do. Now, I am not sure that some “gain in sound” on my analog side was due to elimination of the noise feedback from DAW power supply or it was juts normal improvement of electricity this time of week/month/season. As time goes by I will be able to say it but for now it looks like it is a good configuration. I need to shut down the PP2000 and to see it is it is still has no affected the sound of PP3000. The point is that PP2000 and PP3000 are still connected via ground of the playback. I need to reconnect all devises (monitor, USB switch boxes and anything else that use PC) to make sure that it will be no path (on internal side) between that PP2000 and PP3000 across the playback grounds. The only path that I would like to remain is the connection from my DAW to A/D and D/A converters across Lynx card. My premises is that Lynx card runs AES/EBU Digital I/O digital interfaces that by default employ isolation transformers, so it will be no noise ground loop of any kind between PP2000 and PP3000. It is possible that within this, no grounds connected configuration 2 PurePower unit would be able to work in the same playback. The idea to separate switching and linear power supply into different regenerators does strike me as promising, or at least logical.

Rerurn to Romy the Cat's Site