tyler_durden;229468 Wrote:
The human mind is simply astounding!
TD
I am not quite sure how to interpret this remark.
--
jeffmeh
jeffmeh's Profile: http://forums.slimdevices.com/member.php?userid=3986
View this
Phil Leigh;229795 Wrote:
Sounds like your replacement supply developed a fault to me.
Indeed, that may be the case. However, since I spent all of $25 on the
linear supply, and I am satisfied with the stock switching supply, I
guess that I will just stick with the stock one.
--
jeffmeh
Well, when I first tried this PSU at the beginning of the year, I did
not hear any difference. At some point in the last month or so, we
noticed a faint, scrolling, horizontal line on the TV. Yesterday, I
heard some relatively loud background noise when no audio was playing.
I unplugged the
Has anyone else tried this linear power supply (GlobTek)? I just got
mine in and I'm still waiting on the adaptor.
BTW, I don't qualify as a audiophile. My system is rather modest:
SB3 (was using a Sony 595 CD player $120) [digital RCAtoXLR]-
Behringer DEQ2496 [digital XLRtoRCA]- Panny XR55
opaqueice;179066 Wrote:
I'm very skeptical about this claim that some people have extraordinary
hearing abilities, either through nature or nurture. Why don't you
guys with the superhearing try something like this:
Wow, what a cool site. Thanks for the link.
I scored repeatably at the
totoro;179007 Wrote:
Occam--
I apologize for the tone of my response. It was intemperate, at best.
However, my basic point, IMHO, is valid. Regardless of _whose_ argument
you were dismissing, you were doing so by implicitly claiming that it
was an instance of a known logical
jhm731;179005 Wrote:
Has anyone else tried this PSU and gotten different results?
Had you bothered to read the thread before posting in it, you'd know
the answer is yes.
I'm very skeptical about this claim that some people have extraordinary
hearing abilities, either through nature or
opaqueice;179066 Wrote:
Had you bothered to read the thread before posting in it, you'd know the
answer is yes.
I'm very skeptical about this claim that some people have extraordinary
hearing abilities, either through nature or nurture. Why don't you guys
with the superhearing try
Hmmm... so golden ears are good for hearing linear versus switching
power supplies, but not for detecting distortion? That's odd. I guess
people with golden ears don't care much about fidelity in music
reproduction, then.
By the way, there's lots of research on how much better people get at
opaqueice;179074 Wrote:
Hmmm... so golden ears are good for hearing linear versus switching
power supplies, but not for detecting distortion? That's odd. I guess
people with golden ears don't care much about fidelity in music
reproduction, then.
By the way, there's lots of research on
GaryB;179017 Wrote:
All of my dearly held world assumptions are crumbling.
Totoro is lecturing people on civility???
Occam is being held up as a model of temperate response and Philnyc is
now the impolite one?
Next thing you'll tell me is that the Pope isn't Polish.
---Gary
totoro;179092 Wrote:
To pull an occam, I think some people need to read the Harry Frankfurter
book On Bullshit.
He makes the distinction that bullshit has no relation to the truth,
whereas lies at least contradict it. We're pretty clearly in bullshit
territory here, IMHO.
Dear Michael
GaryB;179017 Wrote:
All of my dearly held world assumptions are crumbling.
Totoro is lecturing people on civility???
Occam is being held up as a model of temperate response and Philnyc is
now the impolite one?
Next thing you'll tell me is that the Pope isn't Polish.
---Gary
occam;179158 Wrote:
Gary - I'd like to thank you for that capstone to a truly wonderful
day.(my son just recieved fully funded admission to both the Berkley
and Chicago grad schools in math) Your post had me laughing so hard I
actually fell off my chair.
Congrats to him - what kind of
occam;179158 Wrote:
Gary - I'd like to thank you for that capstone to a truly wonderful
day.(my son just recieved fully funded admission to both the Berkley
and Chicago grad schools in math) Your post had me laughing so hard I
actually fell off my chair.
Phil - Give me a call and we can
GaryB;179113 Wrote:
Dear Michael aka Tortoro,
First of all, may I suggest you work on your sense of humor. A quick
google search came up with the following quote from Donald Rumsfeld of
all people: “Keep your sense of humor. As General Joe Stillwell said,
The higher a monkey climbs, the
opaqueice;179066 Wrote:
Had you bothered to read the thread before posting in it, you'd know the
answer is yes.
Sorry, I missed j.wales'd comments on the Globe Tek linear supply:
The difference, again in my opinion and my wife's is the enhancements
to the soundstage, placement of
totoro;179178 Wrote:
Got me on the humor, clearly. Need to work on that.
As to the bullshit point, see my last post. The cloth ears
argument _truly_ qualifies as bullshit, whether you like it or not.
As to my repeated cant of bullshit: I've used the term twice in my
history on this
P Floding;179182 Wrote:
I got a bit of a cold at the moment, so I don't think I hear as well as
I normally do. But according to you this is impossible? I imagine deaf
people will be delighted to find out they actually hear just as well as
anyone else.
Sure, it's possible. But it's also
P Floding;179185 Wrote:
Did I do that?
I don't remember doing that.
I haven't said anything negative about the result, as it has nothing to
do with my results. Perhaps you are reading in things?
I'd say that anyone who can't hear any difference when modifying their
system should
opaqueice;178993 Wrote:
But if you guys are going to claim that there are some people that have
some sort of magic golden ear ability to hear the effects of a linear
supply or ebony hockey pucks, while the rest of us mere mortals can't do
it, I'm going to have to call BS. Go try a blind
totoro;179007 Wrote:
Occam's was civil and respectful. Your (and philnyc's) response seems
childish in comparison.
Are you referring to my question about whether the listener listened to
a lot of music? If so, why is that childish? I was trying to learn
more about the test subject, and
totoro;179092 Wrote:
But seriously, the if you did a (somewhat) controlled experiment and
your paticipant(s) didn't hear the results of (lambda x. tweak x), then
they must have cloth ears is so tired as to be a cliche. Occam seemed
to make a point of _not_ resorting to that. I was merely
So it's just a coincidence that this line of argument gets brought up
so commonly when tests don't show a difference?
Do you think opaqueice would have bothered if he thought his gf had
poor perceptual abilities? That seems to be the implication of what
you're saying.
As to the incivility:
totoro;179204 Wrote:
So it's just a coincidence that this line of argument gets brought up
so commonly when tests don't show a difference?
It wasn't an argument. It was a question. Just like people ask was
it a double-blind test? when someone reports hearing a difference.
Do you think
I was actually thinking of _my own_ incivility in that last post, not
yours! :)
--
totoro
squeezebox 3 - mccormack dna .5 - audio physic tempo 4
totoro's Profile: http://forums.slimdevices.com/member.php?userid=5935
View
totoro;179208 Wrote:
I was actually thinking of _my own_ incivility in that last post, not
yours! :)
Bullshit. ;-)
--
PhilNYC
Sonic Spirits Inc.
http://www.sonicspirits.com
PhilNYC's Profile:
I'm not sure I follow all this, but I wasn't offended by Phil's
question, so no apology is necessary for my part.
I do share the sense that every time there's a negative result people
grasp wildly for reasons, but that's just human nature - and in the
case of Phil's post (which unlike another
opaqueice;179232 Wrote:
I'm not sure I follow all this, but I wasn't offended by Phil's
question, so no apology is necessary for my part.
I do share the sense that every time there's a negative result people
grasp wildly for reasons, but that's just human nature - and in the
case of
opaqueice;179235 Wrote:
It takes a lot more than that to offend me - my post above was supposed
to be funny :-).
Oh, sorry!
I didn't get it.. ;-)
BTW, are you, possibly, one of the ABX advocates mentioned over at
stevehoffman?
--
P Floding
No, I didn't ABX it. And I won't even if you ask
P Floding;179239 Wrote:
Oh, sorry!
I didn't get it.. ;-)
BTW, are you, possibly, one of the ABX advocates mentioned over at
stevehoffman?
No - never looked at it.
--
opaqueice
opaqueice's Profile:
opaqueice;179066 Wrote:
Had you bothered to read the thread before posting in it, you'd know the
answer is yes.
I'm very skeptical about this claim that some people have extraordinary
hearing abilities, either through nature or nurture. Why don't you guys
with the superhearing try
GaryB;178251 Wrote:
I've got a serious question and there is no disrespect intended.
Can I ask if you've had anyone else listen for a difference? Given how
strong psychological factors can be and your own stated belief that
there is no difference - have you considered the possibility that
Opaqueice,
Would you please list/describe what is in the signal and power chain of
your system?
TIA,
Paul
--
occam
occam's Profile: http://forums.slimdevices.com/member.php?userid=949
View this thread:
occam;178855 Wrote:
Opaqueice,
Would you please list/describe what is in the signal and power chain of
your system?
TIA,
Paul
SB analogue outs - Odyssey Audio Cyclops (with extreme upgrade) - BW
CM4. Power is straight from the socket; I'm in a large apartment
building in lower
Opaqueice,
Dunno, your components have enough resolution that I'd think you should
be able to hear a difference if there was one. Beats the heck outta me,
as I've heard similar improvements with upgraded power supplies, as
others have.
Regards,
Paul
--
occam
Does the listener listen to a lot of music in general?
--
PhilNYC
Sonic Spirits Inc.
http://www.sonicspirits.com
PhilNYC's Profile: http://forums.slimdevices.com/member.php?userid=837
View this thread:
PhilNYC;178889 Wrote:
Does the listener listen to a lot of music in general?
One never questions the abilities of the one who must be obeyed! ;-)
--
P Floding
No, I didn't ABX it. And I won't even if you ask me. (Especially not if
you ask me.)
P Floding;178896 Wrote:
One never questions the abilities of the one who must be obeyed! ;-)
Oh please...people question me all the time... ;-)
--
PhilNYC
Sonic Spirits Inc.
http://www.sonicspirits.com
PhilNYC's
PhilNYC;178899 Wrote:
Oh please...people question me all the time... ;-)
Had no idea that you were of the the one who must be obeyed-kind. Few
females here.
--
P Floding
No, I didn't ABX it. And I won't even if you ask me. (Especially not if
you ask me.)
Who is the one that must be obeyed?
As for the subject of my little experiment, she listens to music all
the time. I don't think she would describe herself as an audiophile,
but she cares about music, often comments when something sounds good,
and there's nothing wrong with her hearing.
I
opaqueice;178902 Wrote:
Who is the one that must be obeyed?
As for the subject of my little experiment, she listens to music all
the time. I don't think she would describe herself as an audiophile,
but she cares about music, often comments when something sounds good,
and there's nothing
opaqueice;178902 Wrote:
Who is the one that must be obeyed?
As for the subject of my little experiment, she listens to music all
the time. I don't think she would describe herself as an audiophile,
but she cares about music, often comments when something sounds good,
and there's nothing
Thanks for comparing me to a dog or a small child, PF. That actually
made me smile...
As I said, it's been a handicap if anything - I find some sounds
unbearable that other people can't hear and aren't bothered by - and as
far as I can think of it's never been useful, so it's more of a curse
opaqueice;178993 Wrote:
Thanks for comparing me to a dog or a small child, PF. That actually
made me smile...
As I said, it's been a handicap if anything - I find some sounds
unbearable that other people can't hear and aren't bothered by - and as
far as I can think of it's never been
P Floding;178994 Wrote:
Of course TV's (the old kind) make irritating high-pitch noises.. Don't
everyone hear that..?
So do those effing SMPSs that are so popular today.
It seems like only about half the people I ask can hear it. At one
point I started wondering if there was something
So, opaqueice can't hear any difference between the $9.95 GLOB TEK
Model: SA-052A4F-2 linear PSU and the SB3's stock wall wart.
Has anyone else tried this PSU and gotten different results?
--
jhm731
jhm731's Profile:
occam;178202 Wrote:
Perhaps the well reasoned and plausable conclusion from this
non-empirical thought experinment is not entirely correct..
I find the following link particulary interesting as an adjunct when
reading this forum -
totoro;179007 Wrote:
I apologize for the tone of my response. It was intemperate, at best.
PF--
Notice the difference between your and Occam's response to opaqueice.
Occam's was civil and respectful. Your (and philnyc's) response seems
childish in comparison.
All of my dearly held
Denjo;178452 Wrote:
Hi
I am new to this forum and have been reading this thread with keen
interest. I have an Altmann DAC (12 v, ideally sealed lead battery) and
the SB3 (5 v). I have been exploring the idea of buying a quality linear
power supply and stumbled upon this website which seems
Hi Ceejay
Visit www.condorpower.com and search for HTAA-16W-A.
Thanks,
Best Regards
Dennis
--
Denjo
Denjo's Profile: http://forums.slimdevices.com/member.php?userid=10080
View this thread:
I wouldn't recommend it. It has outputs you don't need and it does'nt
look like a house-friendly case. Search this forum for other
suggestions.
--
ceejay
ceejay's Profile:
j.wales;178111 Wrote:
All that being said, what a difference, night and day! I can't believe
it. Honestly. And to answer the double blind test question, I have one
better. My wife, whom has a fantastic ear, and indulges me in the
hobby, was sitting on the couch reading the newspaper
ceejay;178149 Wrote:
Interesting observation. One simple test you might want to try, in the
interests of science: what happens if you leave your new setup
untouched but plug the old stock PSU into the mains supply (preferably
in the same socket it was before)? If the EMI theory is correct,
j.wales;178111 Wrote:
After reading several of the threads relating to linear power supplies,
I figured I would spend the $25 or so and try the Globe Tek linear
supply.
I am going to start by saying that I know how controversial this
subject has been in the past, so the following is
ceejay;178149 Wrote:
Interesting observation. One simple test you might want to try, in the
interests of science: what happens if you leave your new setup
untouched but plug the old stock PSU into the mains supply (preferably
in the same socket it was before)? If the EMI theory is correct,
peejay;178173 Wrote:
Let someone shoot me down here, but according to a brief e-conversation
I had with someone from SD, because the 5 volt regulated supply into
the SB is up-converted to various other internal supply rails and these
then regulated internally *again*, it is these internal
occam;178202 Wrote:
Perhaps the well reasoned and plausable conclusion from this
non-empirical thought experinment is not entirely correct..
Occam, can you repeat that in English?
Just to add my own observations to the mix, I've had the supply for
about a week now and haven't noticed
FWIW, I just ordered one of these for the heck of it. For less than
$30, it is worth finding out if I can hear a difference.
--
jeffmeh
jeffmeh's Profile: http://forums.slimdevices.com/member.php?userid=3986
View this
opaqueice;178235 Wrote:
Just to add my own observations to the mix, I've had the supply for
about a week now and haven't noticed any difference.
One thing that never got straightened out - there was some indication
there might be (at least) two different stock PS for the SB? That
might
opaqueice;178235 Wrote:
Occam, could you say that again - in English this time?
Just to add my own observations to the mix, I've had the supply for
about a week now and haven't noticed any difference. I keep it plugged
in anyway for superstitious reasons. I live in Manhattan in a large
GaryB;178251 Wrote:
I've got a serious question and there is no disrespect intended.
---Gary
No disrespect taken - I'm just as susceptible to to these things as
everyone, so it's a good suggestion. I'll try it on my girlfriend when
we get a chance, who has no preconceptions one way or the
opaqueice;178235 Wrote:
... as for EMI, it's not impossible it could be the culprit, although
as we discussed earlier in this thread it's odd that it would affect
music playback from the SB but not the noise floor.
Not that odd. For example, if you were using the digital outs from the
ceejay;178283 Wrote:
Not that odd. For example, if you were using the digital outs from the
SB, and the EMI messed up the DAC's ability to handle jitter, that
would degrade the perceived sound quality without showing up as a
worsened noise floor. Add you can easily get similar distortions
occam;178202 Wrote:
Perhaps the well reasoned and plausable conclusion from this
non-empirical thought experinment is not entirely correct..
I find the following link particulary interesting as an adjunct when
reading this forum -
totoro;178295 Wrote:
There should be a special line in that page for people who make the
following argument:
I think you are wrong: furthermore, I'm going to make an implicit claim
that you are committing a fallacious argument of known type, as listed
on this page, but I won't tell you
If the emi/rfi is the culprit, then these might help too I assume:
ERS Cloth: http://www.stillpoints.us/Pages/ers_cloth.htm
Powerwrap: http://www.powerwraps.com/
Wrap them around the lps and cable...
Of course, that would cost $45 together :-)
jan
--
jmourik
Simple/Cheap EMI/RFI Solution- install some a ferrite cores at both ends
of the 6' non shielded leads. Double ot triple wrap the wire around the
cores. See www.steward.com for more information.
--
jhm731
jhm731's Profile:
jhm731;178354 Wrote:
Simple/Cheap EMI/RFI Solution- install some a ferrite cores at both ends
of the 6' non shielded leads. Double ot triple wrap the wire around the
cores. See www.steward.com for more information.
Indeed, I did try that to solve my own extreme EMI problem, and it did
reduce
Hi
I am new to this forum and have been reading this thread with keen
interest. I have an Altmann DAC (12 v, ideally sealed lead battery) and
the SB3 (5 v). I have been exploring the idea of buying a quality linear
power supply and stumbled upon this website which seems to sell
commercial and
ceejay;178417 Wrote:
Indeed, I did try that to solve my own extreme EMI problem, and it did
reduce the problem somewhat - but nowhere near enough, which is why I
coughed $40 for a linear supply...
Ceejay
My $30. linear, see:
http://forums.slimdevices.com/showthread.php?t=19817page=41,
is
After reading several of the threads relating to linear power supplies,
I figured I would spend the $25 or so and try the Globe Tek linear
supply.
I am going to start by saying that I know how controversial this
subject has been in the past, so the following is only my opinion, that
is it.
opaqueice;175930 Wrote:
That's a good point - that hadn't occurred to me. EMI in the range from
20kHz - 40kHz would be inaudible added to the analogue output, but
jitter at that frequency could intermodulate with the digital signal to
produce audible distortion. For example 25kHz jitter
P Floding;176058 Wrote:
Re-reading your post I have to wonder what the 40kHz limit comes from?
There is no hard limit to what HF can be down-mixed into the audio-band
by way of modulating the DAC clock. (There may be actual limits for each
particular design depending on the circuit
opaqueice;176120 Wrote:
The jitter will produce sidebands at x+-y, as I said above. So if the
jitter is at a frequency x 40kHz, we need y 20kHz to make x-y
audible. At least for CD audio (44.1kHz sampling rate) this can't
happen.
I'm sure 80kHz will fold right down into the audible
Well, here's a quote from
http://stereophile.com/reference/1093jitter/index.html:
Analysis reveals that the larger the signal and the higher its
frequency, the more it is corrupted by clock jitter. Further, it is
shown that in multi-bit converters, jitter above 40kHz can't
intermodulate
opaqueice;176138 Wrote:
Well, here's a quote from
http://stereophile.com/reference/1093jitter/index.html:
On the other hand it seems to me thinking about it that what's relevant
is the jitter frequency mod the sampling frequency... in other words
jitter at say 45.1 kHz could produce
I've just received the adapters for my new Globe Tek linear supply
(http://forums.slimdevices.com/showthread.php?t=31971).
First, I checked to make sure the adapter fits, which it does. The end
going to the PS fits perfectly; the end into the SB is about 5mm too
long, so there's a little bit of
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