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One question on this preamp. Is it possible to get balanced In's and outs? I have a PS Audio Directstream Jr. with xlr outs and a Pass XA30.8 with balanced inputs. I'm looking for something balanced between the two. Thanks,Don Ivey
I use the Xlr/out from my DirectStream to the Don Sach's Pre-amp- in (Zu Audio Mission cables) give Don a Call and talk to him , I don't think he makes XLR-out's on his pre-amp.Asghar
Mine is coming!
Gentlemen Any good recommendation for 1 meter to 1.5 meter XLR cables ? I believe Xlr cables are either "Analog" ? ( 75 Ohms) or "Digital" 110 ohm impedance for reliable data transmission, presently I am using Zu audio mission cables , since Directstream DAC is digital and DS-2 is pure analog I dont have any issues with ground loops or magnetic field or RF I think at this time I am happy with all my tweaks and the the way my system sounds my RCA's all are WBT high end german connectors but would like to try some reasonably priced XLR cables.Thanks.Asghar
"Digital" AES/EBU XLR terminated cables can be used as analog interconnects.* One factor that might make someone consider them is the AES/EBU standard requires low capacitance, a good attribute in an analog interconnect. Used in this manner, the 110 ohm characteristic impedance is essentially irrelevant, due to the relatively low frequency of analog audio signals; it is neither an advantage nor a detriment.Also of interest is that even with high end manufactured components, the chassis connectors tend to be fairly basic Neutrik's. Many manufacturers and their engineers, including those who normally use "exotic" chassis RCAs, feel that with the nature of balanced/differential connections, the connectors & cable has a smaller influence on the sound than with single ended connectors.As Don noted, many (if not most) amplifiers that have differential inputs are single-ended circuits. So there is no serious performance penalty to using single-ended interconnects, and there may actually be a performance benefit if single-ended inputs are available as well as differential. In particular, if your system can handle unshielded single-ended interconnects without audible noise or RF issues, it's unlikely you actually need to use a balanced output. When long cable runs are required it's advisable to use balanced/differential connections, but that normally won't be the case if you are not running powered loudspeakers or mono amps situated close to conventional loudspeakers.XLR connectors are typically available with nickel (not recommended, in my experience), silver and gold plated elements. Some "boutique" panel mount connectors are Rhodium plated, generally to protect copper or silver materials from environmental corrosion. Broadly speaking use an interconnect with the same plated material. *It must always be kept in mind that regardless of the digital protocol, interconnection is always in the analog domain. In other words, do not confuse digital data with digital signals expressed as changing voltages over time which *represent* digital data, the latter is purely analog.
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