Try here:
http://forums.slimdevices.com/showthread.php?t=30703
TD
--
tyler_durden
tyler_durden's Profile: http://forums.slimdevices.com/member.php?userid=2701
View this thread:
This thread has been unlocked at the request of some posters to allow
them to edit their posts.
Please do not make any new posts. New posts will be removed and the
poster banned.
Thank you,
Dean
--
dean
dean's
Due to the number of reported posts and complaints, we're locking
this thread.
This is the first time we've had to do this on the forum, I hope it's
the last.
Posters: Please keep on topic and stop the personal attacks. The
next time we get into this situation, we'll be banning users,
ezkcdude Wrote:
If someone who backs these PSU mods/tweaks would just show some
oscilloscope tracings, I, for one, would be happy! If it reduces noise,
just run a sin wave through the SB3 and measure the outputs, and prove
it to us, once and for all.I've posted these J-test results before,
highdudgeon Wrote:
I would love -- really love -- to see all these exorbitantly-priced
power supply builders to submit their products, along with the
standard-issue or Elpac variety supplies, for a regulated double-blind
test involving enough listeners with such qualities as to establish
mauidan Wrote:
All questions about this new power supply should be directed to
mauimods.com. I've just past along the specs which were posted
on the tacthackers forum. I have no pictures other than the one I've
posted. I have not heard it, but based on the performance
of my other
Someone who can put together a power supply like that, or the bolder
version, should be marketing their own DACs rather than symbiotically
living off the squeezebox. At least have the humility to price it lower
than the SB itself.
--
Skunk
aberdeencomponents Wrote:
Tyler, humm... my Dobermans name... working overtime?
Only thing I see is facts, and parts used.
High end audio formula: get a bunch of intelligent, educated, hard
working engineers to come up with a really good product that works well
and performs some useful
tyler_durden wrote:
What you see as specs and facts are to the more astute eye not much
more than a bunch of marketing BS.
Unfortunately, you seem to think you have an astute eye.
Do you understand *any* of the details of the specification?
For example...
13,200 uF, of SANYO WX/AX
Robin Bowes Wrote:
Do you understand *any* of the details of the specification?
R.
I am an engineer. I understand specs when I see them. There were no
specs except that it works with 110 or 220 VAC in. The rest was just
fluff.
TD
--
tyler_durden
highdudgeon Wrote:
I would love -- really love -- to see all these exorbitantly-priced
power supply builders to submit their products, along with the
standard-issue or Elpac variety supplies, for a regulated double-blind
test involving enough listeners with such qualities as to establish
Isn't it amazing how much bile is generated because some people get some
enjoyment out of a difference that they hear from some piece of audio
equipment, and which they then choose to spend their money on?
People spend loads of money on real diamonds (rather than a piece of
glass that most of
I would speculate that most of the posters here have not tried any
improvements to the power supply so they are just venting their
cynicism and do not speak from any useful experience. That said, I have
bought a cheap ($2.50) linear power supply that requires a bit of
soldering to work with the
Or they are responding to a general arrogance (Well, there is a
difference, your system is just not revealing enough, your ears are not
as well trained as mine are type comments) that permeats some posts.
Skepticism isn't the same as cynicism.
When people argue that there is a difference in
rajacat Wrote:
I would speculate that most of the posters here have not tried any
improvements to the power supply so they are just venting their
cynicism and do not speak from any useful experience. That said, I have
bought a cheap ($2.50) linear power supply that requires a bit of
I have no opinion on that issue because I have not tried anything other
than EACFLAC. I would respect the opinions of the skeptics more if
they actually have had some experience with linear vs switching power
supplies and not just use the forum for their bile.
--
rajacat
Patrick Dixon Wrote:
Isn't it amazing how much bile is generated because some people get some
enjoyment out of a difference that they hear from some piece of audio
equipment, and which they then choose to spend their money on?
I hadn't noticed much bile here, just healthy skepticism. I
Patrick Dixon Wrote:
Isn't it amazing how much bile is generated because some people get some
enjoyment out of a difference that they hear from some piece of audio
equipment, and which they then choose to spend their money on?
People spend loads of money on real diamonds (rather than a
Patrick Dixon Wrote:
People spend loads of money on real diamonds (rather than a piece of
glass that most of us, in a blind A/B X/Y test wouldn't ever pick), or
original art, or whatever - without comment!
I can't resist taking up the gauntlet on this one. The case of
diamonds is a
opaqueice Wrote:
I couldn't agree more. Although in the case of these power supplies I'd
be happy if even one person could consistently tell the difference in a
series of AB/XY blind tests...
Exactly. The placebo effect is tremendous. And, money does not buy
happiness.
A buddy of mine
opaqueice Wrote:
I can't resist taking up the gauntlet on this one. The case of diamonds
is a fascinating one (from the point of view of human psychology and of
the influence of corporations). Synthetic diamonds (that is,
diamonds which are made in a lab) are worth less than natural
highdudgeon Wrote:
In fact, I have - several times. I've never purchased them because, by
and and large, I don't buy into these things any more than I buy into
kilo-buck powercords.
However, friends of mine who are into all sorts of tweaking have quite
a few of these things for various
rajacat Wrote:
It was not a personal attack but just a statement that unless a person's
opinion is based on actual experience it must be regarded accordingly.
You seem to regard many in the audiophile cottage industry as just
hucksters but offer no proof just unsubstantiated opinions.
P Floding Wrote:
Why?
If you post here you should reply here as well. Otherwise it is just
plain advertising, a.k.a SPAM.
I'm sure everyone here wants to know the answers, regardless of plans
to buy or not.
Regards
Hi Patrick, You should know we do not need to spam, any last thing I
need
aberdeencomponents Wrote:
Hi Patrick, You should know we do not need to spam, any last thing I
need to do is Advertise, especially here. I can not stop someone from
posting information, that was sent personally to them, or taken off my
forum. The unit was made as per my 200+ customer
If someone who backs these PSU mods/tweaks would just show some
oscilloscope tracings, I, for one, would be happy! If it reduces noise,
just run a sin wave through the SB3 and measure the outputs, and prove
it to us, once and for all.
--
ezkcdude
SB3-Derek Shek TDA1543/CS8412 NOS DAC-MIT
ezkcdude Wrote:
If someone who backs these PSU mods/tweaks would just show some
oscilloscope tracings, I, for one, would be happy! If it reduces noise,
just run a sin wave through the SB3 and measure the outputs, and prove
it to us, once and for all.
Nice idea. Add to that: provide
aberdeencomponents Wrote:
Hi Patrick, You should know we do not need to spam, any last thing I
need to do is Advertise, especially here. I can not stop someone from
posting information, that was sent personally to them, or taken off my
forum. The unit was made as per my 200+ customer
Incidentally, I would like to clarify something:
I hardly believe all products should be subjected to double-blind
testing. An obvious case is speakers. Speakers are highly personal,
vary wildly in their appropriateness for different rooms, and, by gosh,
they even look different. It is
I thought that I would cross post this for your amusment.
I've had some time to evaluate the Black Sand Silver Reference Power
Cord. I'm in awe! Folks this is a great power cord. My Signal Cable
Magic Power Cord can't compete with this cord. The Signal Cable Power
Cord definately offers
The marketing people are working over-time on this one...
TD
--
tyler_durden
tyler_durden's Profile: http://forums.slimdevices.com/member.php?userid=2701
View this thread:
mauidan,
Do you have any internal pictures of the ps that you can share with
us?
Thanks
--
F-100
F-100's Profile: http://forums.slimdevices.com/member.php?userid=4328
View this thread:
mauidan Wrote:
New SB linear power supply from mauimods.com:
Voltage regulation is kept at 5 volts within -/+ .001%
RIPPLE is no more than .003 MILLI-VOLTS.
13,200 uF, of SANYO WX/AX capacitance.
Ultra Fast HEXFREDS diode bridge.
Input Snubber.
Diode bridge Snubbers.
Couple of things.
All questions about this new power supply should be directed to
mauimods.com. I've just past along the specs which were posted
on the tacthackers forum. I have no pictures other than the one I've
posted. I have not heard it, but based on the performance
of my other mauimods.com upgrades, I expect
I would love -- really love -- to see all these exorbitantly-priced
power supply builders to submit their products, along with the
standard-issue or Elpac variety supplies, for a regulated double-blind
test involving enough listeners with such qualities as to establish
statistical significance.
OK folks, thanks for all your technical (electronics) advises but for an
average joe like myself, could you tell what would be the best PS for
the SB (220v).
Thanks in advance
--
brunodenis
brunodenis's Profile:
New SB linear power supply.
+---+
|Filename: MMSBPSU.JPG |
|Download: http://forums.slimdevices.com/attachment.php?attachmentid=1180|
Nice one! How much does it cost?
Regards,
Mike
--
mlihl
mlihl's Profile: http://forums.slimdevices.com/member.php?userid=3376
View this thread: http://forums.slimdevices.com/showthread.php?t=20844
mlihl Wrote:
Nice one! How much does it cost?
Regards,
Mike
Mike-
I don't know if Anthony has finalized the price yet, he just sent me
the specs/picture. You can contact him at Mauimods.com, if you're
interested.
Dan
--
mauidan
What is the current capacity?
--
ezkcdude
SB3-Derek Shek TDA1543/CS8412 NOS DAC-MIT Terminator 2
interconnects-Endler Audio 24-step Attenuators (RCA-direct)-Parasound
Halo A23 125W/ch amplifier-Speltz anti-cables-DIY 2-ways + Dayton
Titanic 10 subwoofer
He's not hi-fi, he's my stereo.
Small 4wx5d2h BULLET PROOF extruded aluminum enclosure.
What, are you planning on using it in a war zone?
--
Mike Anderson
'FREE RADICAL
RADIO!' (http://nvo.com/cd) Hours of free radical MP3s.
Mike Anderson's
Skunk Wrote:
getting a surplus linear for $10 that will beat any SMPS you can
purchase off the shelf?
Skunk, do you have a link for a surplus linear PS for $10 anyplace? Or
is this something I'll have to solder myself?
--
cepheid
Skunk Wrote:
Well unrelated to cleaning, I found a disconcertingly good article on
the quality of electrical power in buildings. A great read for
audiophiles, without being written by one:
http://www.copper.org/applications/electrical/pq/primer.html#sensitive
*
Regardless of your mains powered ps, at least in NYC and the Washington
metropolitan area (the homes of all things corrupt, including AC
power), you'll probably benefit substatially from good
powerconditioning fronting your power supply.
P Floding Wrote:
I have high concentration isopropanol for cleaning capstan rolls and the
like, but not for contact cleaning. It has water in it, so seems less
than ideal.
I was just reading about the diy bob crump PC*, and someone at the end
suggested using alcohol for cleaning wire before
95bcwh Wrote:
Heuer,
Have you compared the analog out from the SB3 versus the analog out
of the $10k CD player?
Rgds
barry
No. The Theta CD transport runs balanced into the Audio Synthesis DAX
Discrete and has no analog outs. DAX runs balanced to the pre-amp and
power amp.
Biggest SB3
highdudgeon Wrote:
Incidentally, for the pure hell of it, I ordered an Alpac (sp?) linear
power supply, just to experiment. As the SB gurus predicted, there was
absolutely no difference in sound. There are just so many other
imporant things.
I did hear an improvement with a linear
Skunk Wrote:
But don't forget to enjoy the music! (kidding)
That is exactly what I am doing now with my newly built PSU. Tighter
bass and cleaner S-sound on female voices is the verdict - so far.
Listening to Ana Popovic and Terry Evans. (not kidding ;)
Tom
--
tomsi42
SqueezeBox2, Rotel
95bcwh Wrote:
So far, people who has listen to the Squeezebox with BOTH the upgraded
power supply and the stock power supply all concluded that the upgraded
power supply is way better. Now, whether the extend of improvement
justifies the extra $1000 it's entirely up to individuals.
On the
I have a $10k CD player and the SB3 (albeit with a linear PSU costing
$80) sounds just as good when both are fed through the same external
DAC. Result is the CD player is no longer used.
Vinyl still sounds way better than either, obviously!
--
Heuer
Call me crazy, but I'd rather spend $1000 on music than a power supply.
After all, are we audiophiles or noisephiles?
--
ezkcdude
SB3-Derek Shek TDA1543/CS8412 NOS DAC-MIT Terminator 2
interconnects-Endler Audio 24-step Attenuators (RCA-direct)-Parasound
Halo A23 125W/ch amplifier-Speltz
Noisephiles -- That's excellent! The bottom line isn't just finding a
perfect sound system; it's spending quality time finding and listening
to music. The more time you fiddle, the less time you get to kick
back, bliss out, and enjoy your system.
Re. external DACs: that is an excellent point.
We have to be careful of these things. People talk about veiling the
high frequencies and extended range (beyond 20khz, etc.) a great
deal.
What they forget is that an average 40 year old male can hear up to
around 14khz, on a very good day, and that he can expect that to drop
by half (7khz) in
ezkcdude Wrote:
I wasn't intentionally trying to offend anyone, but I apologize
post-haste. I was just trying to correct a rather broad assertion, that
just because the power supply is switching, it must necessarily suck.
And you were right for doing so, thus likely owe no apologies.
I, on
I now also have a linear power supply. I ordered the power-one that was
recommended and put it all together this weekend.
Does it sound better? I think that it is too early for me to say yet
but it definitely does sound different. What I can also say is that I
loved every moment of
RalphO Wrote:
So guys what next?
Replacing the female connectors? Would soldering the RCA leads to the
board and running wire out of the SB with high quality male RCA's on
the end be a theoretical improvement? I got the idea from the infamous
'Enjoy The Music' Web site. Modifying the analog
Skunk Wrote:
Replacing the female connectors? Would soldering the RCA leads to the
board and running wire out of the SB with high quality male RCA's on
the end be a theoretical improvement? I got the idea from the infamous
'Enjoy The Music' Web site. Modifying the analog output stage is
Skunk Wrote:
Replacing the female connectors? Would soldering the RCA leads to the
board and running wire out of the SB with high quality male RCA's on
the end be a theoretical improvement? I got the idea from the infamous
'Enjoy The Music' Web site. Modifying the analog output stage is
Heuer Wrote:
I have a $10k CD player and the SB3 (albeit with a linear PSU costing
$80) sounds just as good when both are fed through the same external
DAC. Result is the CD player is no longer used.
Vinyl still sounds way better than either, obviously!
Heuer,
Have you compared the
ezkcdude Wrote:
Were you referring to this:
http://www.partsexpress.com/pe/showdetl.cfm?DID=7Partnumber=341-200
Yeah, there is a two pack at rat shack with the Pro Gold included,
smaller bottles for $15.
http://www.radioshack.com/sm-deoxit-progold-twin-pack--pi-2104746.html
Rubbing alcohol
Skunk Wrote:
Yeah, there is a two pack at rat shack with the Pro Gold included,
smaller bottles for $15.
http://www.radioshack.com/sm-deoxit-progold-twin-pack--pi-2104746.html
Rubbing alcohol is isopropyl (or ethyl) alcohol mixed with water, used
as a topical antibacterial (on skin); or
I prefer the $100 route where you get a battery backup built for home
theater that has individual line filters on each outlet. I also get
automatic voltage regulation and ALL my toys sound and look good!
Lastly, if the power fails, I get about 15 minutes worth of music until
I break out the AA's.
95bcwh Wrote:
So far, people who has listen to the Squeezebox with BOTH the upgraded
power supply and the stock power supply all concluded that the upgraded
power supply is way better.
I didn't hear any difference, but then, I didn't pay $1k for the power
supply. That's a bit steep for a
tyler_durden Wrote:
I didn't hear any difference, but then, I didn't pay $1k for the power
supply. That's a bit steep for a 5V 2A power supply...
TD
I'm not surprised, my upgraded power supply refers specificly to
those built by Bolder Cables company and Red wine audio. :)
--
95bcwh
I can confirm that the later Linn Brilliant SMPS's are indeed very very
good.
Certainly later versions of the 5103, Kairn and Karik were noticeably
improved over the earlier ones.
SMPS is clearly not empirically bad - but it would appear that good
ones are neither common or cheap.
--
Phil
My speakers are DIY using very revealing Aurum Cantons
G2si ribbon tweeters and paper midrange woofers. I can
definitely hear differences between tweaked and untweaked
CD players but through my previous speakers (BW N804),
I was unable to do so. Audible differences between setups
have mostly
)p( Wrote:
Why, the ceo of slimdevices has told on the forum that he does not
believe it affects the sound quality of the sb output. Why should they
sell something they do not believe in?
peter
The CEO doesn't have a revealing enough system to know the difference.
--
Skunk
For all the buzz generated by the latest Ultimate Power Supply built
by Bolder Cables company. I cannot believe anyone to be stupid enough
to pay $1000 for a power supply upgrade if they cannot hear the
improvement. I think it warrant at least a critical listening by
slimdevices staff to prove
95bcwh Wrote:
For all the buzz generated by the latest Ultimate Power Supply built
by Bolder Cables company. I cannot believe anyone to be stupid enough
to pay $1000 for a power supply upgrade if they cannot hear the
improvement. I think it warrant at least a critical listening by
Here's the thing:
Without verified blind tests, it is more or less impossible to get a
hold on these mods. Think about it: the placebo effect works. If it
works in medicine, it certainly works in audio, with the expectations
of eagar audiophiles multiplied by the money they have spent. I've
P Floding Wrote:
How could they possibly prove such a thing?
Good enough in what sense?
I'm afraid I don't quite follow your reasoning!
So far, people who has listen to the Squeezebox with BOTH the upgraded
power supply and the stock power supply all concluded that the upgraded
power supply
$1000 for an upgraded power supply?
That thing better do something more special than put out 5v.
--
snarlydwarf
snarlydwarf's Profile: http://forums.slimdevices.com/member.php?userid=1179
View this thread:
snarlydwarf wrote:
$1000 for an upgraded power supply?
That thing better do something more special than put out 5v.
Yeah, I thought you guys were talking about spending between $5 and $30
on this project. which is low enough, if it is not clear it works,
who cares!
Clearly a $1000 power
snarlydwarf Wrote:
$1000 for an upgraded power supply?
That thing better do something more special than put out 5v.
Yep, I'm not one of them, but those who spent these kind of money
typically have spent over $3k to $10k buying a CD player. What they now
claimed is that with the modification
ezkcdude Wrote:
And the beat goes on...Switching supplies get such a bad rap here. Yes,
many of them don't supply very clean power, but they can be done right.
To automatically assume a switching power supply sucks is just plain old
audiosnobbery.
The problem might be what the SMPS does to
Skunk Wrote:
What exactly is your point?
I thought my statement was fairly transparent. Simply the fact that a
power supply is linear does not necessarily make it a good one, nor
does it necessarily make it better than any switching supply. What
part of that is not clear?
--
ezkcdude
ezkcdude Wrote:
I thought my statement was fairly transparent. Simply the fact that a
power supply is linear does not necessarily make it a good one, nor
does it necessarily make it better than any switching supply. What
part of that is not clear?
A I got the ball rolling on this one, I
ezkcdude Wrote:
What part of that is not clear?
Where the comment even came from, considering this discussion was about
powering a squeezebox.
Of course an SMPS is ok for charging your cellphone, but what's that
got to do with this conversation?
Thinking SMPS's are bad for all applications
Skunk wrote:
Of course an SMPS is ok for charging your cellphone, but what's that
got to do with this conversation?
Thinking SMPS's are bad for all applications is not audiosnobbery, it's
stupidity. Why state the obvious? Surely you weren't advocating thier
use in audio electronics?
Erm,
tomsi42 Wrote:
The reason we don't recommend a PC powersupply, is because it is a
switching powersupply. And they all are (or at least 99.99% of them).
It is the only way to get 300-500 Watts of power from such a small
enclosure.
If you ever have opened a PC powersupply, you will notice
reeve_mike Wrote:
Some consider this not to be the case ...
... http://www.chordelectronics.co.uk/
And http://www.stereophile.com/solidpoweramps/306chord/index.html
[P.S. I'm not a Chord owner and I don't intend to become one
so I have no particular axe to grind,
it's just that in area
reeve_mike Wrote:
Some consider this not to be the case ...
... http://www.chordelectronics.co.uk/
And http://www.stereophile.com/solidpoweramps/306chord/index.html
While the power supply in the chord amp is enviable, it's not a good
comparison in the context of this discussion. That
tomsi42 Wrote:
Note that the PSU is heavily filtered, multiply rectified - this is
quite different from the stock SB powersupply ...
Which is why I (like you I presume) have linears on my SBs :-)
--
reeve_mike
ezkcdude Wrote:
I don't see any reason to get all heated up about it.
I wasn't really getting heated up yet. Refering to that post in the
context you did kind made it seem wrong to say 'a computers PS would be
not ideal'. I thought he wrote a good response...
Can you provide a link to a
Is something like this a viable PS? I'm obviously coming from a place
of not knowing this stuff.
http://www.westcoastmall.net/shop/product_info.php?products_id=916
--
lawther
lawther's Profile:
Skunk Wrote:
While the power supply in the chord amp is enviable, it's not a good
comparison in the context of this discussion. That switching supply is
in a $75,000 amp.
Which is audiosnobbery, buying a $75,000 amp with aerospace designed
PS, or getting a surplus linear for $10 that
reeve_mike Wrote:
Which is why I (like you I presume) have linears on my SBs :-)
Indeed...
I didn't wan't to start a big flamewar. I don't have a problem with
Slimdevices choice. It is just nice to know that using another $50-$100
to change a great product to a very great one!
Tom
--
Skunk Wrote:
Can you provide a link to a suitable switching power supply that would
equal any regulated linear's performance? What about one with voltage
sense? Sorry to be shrill, but if you'd provide some viable
alternatives to back up the theory I'd be all ears.
As for that, I'm not sure
Robin Bowes Wrote:
Erm, the std. power supply that ships with the Squeezebox is a
switcher.
And? Haven't you investigated replacing it with a linear? Why? Because
it's not ideal feeding the SB. Did I miss your point too?
-Robin Bowes Wrote:
Sheesh, this group is really deteriorating
lawther Wrote:
Is something like this a viable PS? I'm obviously coming from a place
of not knowing this stuff.
http://www.westcoastmall.net/shop/product_info.php?products_id=916
Ouch! You wouldn't want that. It's a 12V not 5V. It woild fry your
squeezebox.
You should look for a 5V (V =
Skunk wrote:
Robin Bowes Wrote:
Erm, the std. power supply that ships with the Squeezebox is a
switcher.
And? Haven't you investigated replacing it with a linear? Why?
Because it's not ideal feeding the SB. Did I miss your point too?
I've looked into getting a linear supply because:
ezkcdude Wrote:
As for that, I'm not sure this is even possible. What exactly would your
criteria be? A comparison of how my system sounds with different power
supplies or actual measurements? Since nobody can really equate
measurements with sound preferences, and everyone has different
Robin Bowes Wrote:
Easy tiger.
That comment was an observation regarding the general tone of several
threads in this list/forum recently.
Since I posted that, there has been an official request to tone it
down,
so I don't think I was far off the mark.
R.
No problem. It was
Skunk Wrote:
Slim Devices say they listened to audiophiles to bring the performance
of the SB to it's current level. With all this talk about power
supplies, I wonder if they'll investigate it further. Perhaps a poll of
our unscientific findings will play a part in the decision to
On 06/03/17 14 27, Skunk
[EMAIL PROTECTED] wrote:
ezkcdude Wrote:
What part of that is not clear?
Where the comment even came from, considering this discussion was about
powering a squeezebox.
Of course an SMPS is ok for charging your cellphone, but what's that
got to do with this
Skunk Wrote:
No objective proof, just ideas from various forums- including this one.
Linear supplies for digital sources tend to be recommended over SMPS. I
don't have the equipment to prove anyone wrong, so I go with the flow.
You, on the other hand, seem to want to go against the flow, but
I am not too knowledgable about electronics so I am seeking advise. I
have taken the plunge and bought myself a Power-one HB5-3/OVP-A and I
am now ready to connect leads etc to it.
I sought the advice of an eletrician who will help me put it all
together. However, he offered me an
RalphO Wrote:
I am not too knowledgable about electronics so I am seeking advise. I
have taken the plunge and bought myself a Power-one HB5-3/OVP-A and I
am now ready to connect leads etc to it.
I sought the advice of an eletrician who will help me put it all
together. However, he
FWIW, when I was using the SB1 via digital outs I found using a
regulated PS made the sound worse. After reading the reports here
about bypassing the output IC and using the analog outs, I tried that
with my SB2, and later my SB3, and was very impressed. I then tried an
inexpensive regulated PS
tomsi42 Wrote:
The reason we don't recommend a PC powersupply, is because it is a
switching powersupply. And they all are (or at least 99.99% of them).
And the beat goes on...Switching supplies get such a bad rap here. Yes,
many of them don't supply very clean power, but they can be done
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