Lon
Seasoned Member
"Love without guts is worthless!" Philip K. Dick
Posts: 24864
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Every day I learn to love the ZBIT a little more! I have had the ZBIT all this year and the last months of 2016.
I think this is a tremendous product, one of Steve's unique discoveries and implementations. I can see why he is incorporating the Jensen transformers with adjustable output on the digital products he is modifying and offering--they compliment and improve the sound of the digital source. I love my DirectStream and the ZBIT DOES make it better which took me a while to comprehend, wrap my head around. I had very little experience with balanced connections before this and once again Decware has led me to a new education in audio.
I do like my CSP2+ between the DirectStream and the Torii. . . a different window into the sound using single-ended output from the DAC and then amplifying it with the preamp, versus taking the larger gain from the DAC via the XLR output and attenuating it somewhat via the ZBIT. Both are great ways to enjoy the music. But with the preamp one can tube-roll and adjust gain to a maddening extent, and more fully alter the sound, not to mention have a power cable and interconnects in the mix. . . with the ZBIT there's the simplicity of the transformer and the attenuator (stepped in my case) and nothing else but the interconnects.
The varying voltage that the ZBIT allows to pass through to the amplifier allows the sound to take on a fullness that brings focus and depth to the soundstage and the imaging. It also seems to expand the frequency range with a delicate touch--highs and lows just gain a welcome presence.
And contrary to what some say (that cables don't matter as much with balanced operation) I find that the ZBIT really does show you what cabling you have. I've tried different cables: one built with Mogami wire and Neutrik connectors, the Take Five Audio "Deluxe" Neotech version, and the VooDoo Cable Evolution. Each gives a different presentation, with the VooDoo being my choice--it has a refinement of tonal quality and a "just right" presentation of detail and depth. Tomorrow I will have a top of the line VooDoo cable (Stradivarius Amati XLR) to pop in and I'm expecting an even more mind-melting sound from this cable. . . and next week I will have a fully balanced pathway with Amati cables from the DirectStream to a ZTPRE that will arrive to the ZBIT then single-ended VooDoo Cable Stradivarius Cremona to the Torii. Should be amazing sound!
Isolation matters to the ZBIT as well. In typical Lon fashion I've probably gone overkill int his regard. . . starting with a Samson rack that all my tube gear is on (a Version 2, all my other gear including TV and DVR, P10, DMP, DSD and CXU and soon to include a Magnum Dynalab MD-90T SE is on a Version 3), and then a PS Audio PowerBase that has my ZBIT on a myrtle wood stand I found on ebay that is perfectly sized, and on top of VooDoo Cable IsoPods. (My Taboo Mk IV shares the same PowerBase also sitting on IsoPods). I've had the ZBIT elsewhere in the system (sitting on the middle shelf of the Version 3 just on IsoPods, on Herbie's Audio Lab Iso-Cups, on myrtle wood blocks from Cardas, and on Aurios, and all four of these footers one after the other with the myrtle wood stand beneath them all) and tried all four of those footers under the ZBIT where it now stands, and each gives a different tonal picture and soundstage presentation from subtly different to one that my wife Lucy walks into the room and says "what did you do?") No one need be as futzy and experimental as I about this, but I will say the clarity of the sound from the ZBIT and the nature of its size, weight and chassis/box means that it will respond to its environment and placement.
Anyway, I just want to emphasize that this is a product that can make a system sing if you have a source with a balanced output. It will reward attention to placement and both balanced and unbalanced cabling, and with its adjustable output it's very easy to fine-tune the sound to a source (and in my case different inputs on the same DAC). I have tried to do without it and use my CSP2+ and I've been very happy doing so. . . but the minute I put the ZBIT back in for comparison it's unique character drew me in and compelled me to let it stay right there! BIG Kudos to Steve for seeing the magic in this XLR/single-eneded conversion and implementing it in the ZBIT and the digital products.
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HR-1,ZBIT,ZROCK2,SEWE300B,CSP3-25mod; Rega RP3 all GrooveTracer mods;PSAudio:PST+DSD, DAC Mk II, P15,NPC,PowerBases,AC-12 pwr cbls, Reference spkrcbls; Mapleshade SamsonV3; VooDoo:Cremona+Amati interconnects, IsoPods; headphones: Sennheiser HD800S,ZMF Ori,Oppo PM1
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