pablolie wrote:
> isnt that why many DACs allow you to invert polarity, because the source
> material may be indistinct about it, and they let you find out if it
> makes a difference? I have never heard one, btw.
In the really old days you get that button on some analog preamps for
the same reas
isnt that why many DACs allow you to invert polarity, because the source
material may be indistinct about it, and they let you find out if it
makes a difference? I have never heard one, btw.
...pablo
Server: Virtual Machine running Ubuntu 12.04 + LMS 7.7.3 on VMware
Player
System: SB Touch --op
Julf wrote:
> The standard way is a truncated sawtooth wave, and yes, that requires a
> scope. But a good first test is the 'Absolute Polarity Blind Listening
> Test' (http://www.audiocheck.net/blindtests_abspolarity.php). If you
> don't hear the difference, it doesn't matter :)
yep aware of thi
netchord wrote:
> interestingly, reading that thread, it seems either Luxman, or Sean,
> have it backwards as to which pin = the "original American" standard.
>
> Sean: Pin 3 hot was American practice, but in 70s we adopted the EU
> standard of pin 2 hot. by implication, the Transporter, which
interestingly, reading that thread, it seems either Luxman, or Sean,
have it backwards as to which pin = the "original American" standard.
Sean: Pin 3 hot was American practice, but in 70s we adopted the EU
standard of pin 2 hot. by implication, the Transporter, which was built
in the 2000s, sh
bought the amp used, but it's from 2009, so a relatively recent design.
Luxman is old school however, so this may just be a legacy of an even
older implementation. interestingly the amp also includes an indicator
at the power cable to show whether your home wiring inverts phase (mine
does not ap
Mnyb wrote:
> Are there test signals for this ? you may need a scope ?
The standard way is a truncated sawtooth wave, and yes, that requires a
scope. But a good first test is the 'Absolute Polarity Blind Listening
Test' (http://www.audiocheck.net/blindtests_abspolarity.php). If you
don't hear th
Julf wrote:
> Well, in that thread, Sean states rather clearly: "That's right. The
> XLRs are proper differential, balanced outputs."
>
> So both pin 2 and pin 3 are "hot", as in carry the signal, and are not
> referenced to ground. Only difference is that one is inverting, and the
> other isn't
netchord wrote:
> http://comments.gmane.org/gmane.music.equipment.slimdevices.beginners/16754
Well, in that thread, Sean states rather clearly: "That's right. The
XLRs are proper differential, balanced outputs."
So both pin 2 and pin 3 are "hot", as in carry the signal, and are not
referenced t
Julf wrote:
> And if both the input and the output are truly balanced/differential, it
> doesn't matter. Neither pin is connected to ground/earth, and both pins
> are just as "hot" (as in carrying a signal). The only difference is
> absolute polarity, and the source material doesn't seem to be co
And if both the input and the output are truly balanced/differential, it
doesn't matter. Neither pin is connected to ground/earth, and both pins
are just as "hot" (as in carrying a signal). The only difference is
absolute polarity, and the source material doesn't seem to be consistent
on that anyw
I see... So I presume it's one of the vintage 1980's models when the
standard wasn't as clear.
The AES put in place the pin 2 'hot' standard by 1992 so it's safe to
go with that for equipment made since then...
Nice little forum post:
http://www.audioasylum.com/cgi/t.mpl?f=general&m=459847
Enj
Archimago wrote:
> Not clear about the diagram myself.
>
> However, these days all my XLR gear including ASUS DAC, E-MU DAC are pin
> 2 "hot". Other than pre-1990 gear, I believe the vast majority of gear
> is like this and adjustable devices like my TEAC UD-501 DAC also
> defaults to pin 2 +.
>
Not clear about the diagram myself.
However, these days all my XLR gear including ASUS DAC, E-MU DAC are pin
2 "hot". Other than pre-1990 gear, I believe the vast majority of gear
is like this and adjustable devices like my TEAC UD-501 DAC also
defaults to pin 2 +.
My Transporter sounds great th
Hi All- got a new amp that has an option to invert phase on XLR inputs,
depending on whether the upstream component has Pin 2 or 3 as "hot".
wrt the transporter, i've poked around a bit and have not found anything
definitive on the subject, save for this old thread from Sean, which is
unfortunatl
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