Revelation Audio umbilical cables for Pass Labs XP-32 preamp?


I am obviously very excited.

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My Pass Labs XP-30 is dead quiet, ALWAYS. You don’t get a S/N ratio <-110dB, referenced to 5V with a bad design and noisy cables. Play the game, but complaints of noise have to be backed up with measurement to a given standard. Can you reference those actual differences? We’re getting to the limits of the measuring equipments S/N ratio at -110 dB.

So now I am getting double cable biwire True shotgun speaker cables with Bybees speaker bullets in the 4 cables. My system will have all RAL signal cables to replace my Audio Art Statement cables. It should be a nice upgrade. I will have my Audio Art Statement cables to be able to play with my newly arriving RAL umbilical cables for my XP-32, a 2 meter 1.5 meter and 1 meter balanced interconnects and the True shotgun Bybee speaker cables 1.5 meters times 4 cables. I am expecting some nice new cables. Very exciting. I have to say that Brad has been only a pleasure to work with.

Just a heads up for anyone ordering a Revelation Audio cord. He takes your order promptly. However his communication skills are awful. I ordered a cord for my pass XP 22. I messaged him a few times with no response during the build. At one point I contested my purchase with paypal because he went completely silent. I was actually refunded by Paypal. About 6 weeks later the cord shows up at my door. He then contacted me for payment…which I promptly paid.
Long story short…He’e a good guy and makes fantastic cords, but you have to be patient with his inability to communicate well. I do recommend him…but he’s a one man show and you do need to be patient.

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I just installed the RAL umbilical cables and the sound is much better straight off. The sound is much better. It is hard to explain but it is like I got an upgraded preamp. The hype is not just hype. The sound is much cleaner and the cables were installed only 15 minutes ago and the sound is getting better and better. I am going to wait a while before installing the XLR cables as I want to hear the improvements over time So far so good. Highly recommended. PS It took me 4 days to receive the cables.

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That’s great to hear. Especially that the umbilical cords do not carry signal, only DC power.

My custom Neotech Silver dc cable makes a nice difference between my Keces P3 and DSD Mk1 APS analog power board. As I’m listening with the RAL umbilical cords it’s like a preamp upgrade. I’m blown away.

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Curiosity got the better of me so I connected the RAL balanced interconnects between my preamp and my headphone amp and the sound is nice. I am very pleased with the sound I am getting straight off. The cables will only improve over the next couple hundred hours.

I highly recommend these cables. The improvement is not subtle.

The sound with the RAL umbilical cables on my XP-32 is incredible. If I knew how much improvement I am getting I would have done this move years ago. The sound is that of a system in another league. Just when I thought I was done I am excited all over again. I currently have a RAL balanced interconnect from my preamp to my headphone amp and the sound is glorious. I am going to recable my entire system with RAL cables.

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I just had to add “WOW” and that is just the umbilical cords. I am recabling my entire system with RAL cables. As large an upgrade as new speakers or amps. I am totally psyched. My system already is in another league that I did not think possible. It has been a pleasure working with Brad on all of this.

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