Just hook it up, connect it to an outboard dac, and away you go...I
wouldnt waste any money on any other upgrades.
--
Anne
Squeezebox 3 Stereovox XV2 Bryston B100-DA SST Martin Logan Aeon I
Anne's Profile:
timequest;420625 Wrote:
Interesting
I can't help but tweak, and this is a relatively
inexpensive tweak in the audiophile game. Will this device mate well
with a SB Duet - is it the same as an SB3?
[Addendum]Actually, I just went to their website and I see that it
is the VDC 9.0
Phil Leigh;420809 Wrote:
The duet needs 9v but the SB needs 5v. Anyway, there is no point in
using an aftermarket supply like the CI one when inside the SB is a
switching supply...
Spend the money on your favourite DAC instead.
So it is flawed reasoning to say that the stock unit may
timequest;420840 Wrote:
So it is flawed reasoning to say that the stock unit may cause noise
contaminants due to it being a switching supply when in fact, the SB
utilized an internal switching supply anyway?
How about this then
from a technical perspective, is there any validity
to
Phil Leigh;420850 Wrote:
No, not really. There is no law of the universe that requires switching
PSU's to be a bad thing. Several high-end manufacturers use them...
More importantly, both myself and iPhone have conducted tests using
AudioDiffMaker on a wide variety of power supplies
timequest;420862 Wrote:
This is why I love this forum. Thank you, Phil Leigh. The fact that
you have tested this theory is quite valid to me.
You know, it's the audiophile in me that wants it to be a great
tweak (this can be a sick hobby). We've all spend more than a few
hundred
USAudio;398082 Wrote:
Too bad the CIAudio VDC-SB is so pricey at $259 USD:
http://www.ciaudio.com/vdc_sb.html
Interesting#8230; I can't help but tweak, and this is a relatively
inexpensive tweak in the audiophile game. Will this device mate well
with a SB Duet - is it the same as an SB3?
seanadams;402127 Wrote:
If you find a reduction of hum when connecting SBR to earth ground,
this indicates a problem with the amplifier. If the amplifier is not
using the shield of its RCA connectors as a reference for the signal
ground, that is a serious defect! Earth ground from the
Why mentioning 6 Volts batteries, it's supply is 5 Volts.
http://www.libinst.com/Audio%20DiffMaker.htm
This is the real thing we need.
--
NaimSqueezer
NaimSqueezer's Profile:
NaimSqueezer;401754 Wrote:
Hello fellows, greetings from crumbling germany,
I just bought a SBC. A few remarks:
First, the SBC power supply generates a voltage of 15,xx versus
ground.
I grounded it at chinch connectors, on recommendation of the Hifi
dealer, because the
amplifier
Hello fellows, greetings from crumbling germany,
I just bought a SBC. A few remarks:
First, the SBC power supply generates a voltage of 15,xx versus
ground.
I grounded it on recommendation of the Hifi dealer, because the
amplifier itself by intended design wasn't grounded on connectors.
So far,
NaimSqueezer;401754 Wrote:
Hello fellows, greetings from crumbling germany,
I just bought a SBC. A few remarks:
First, the SBC power supply generates a voltage of 15,xx versus
ground.
I grounded it on recommendation of the Hifi dealer, because the
amplifier itself by intended design
Phil Leigh wrote:
Yes - I suggest you keep the money in your wallet :)
Unless your stock supply is faulty there is no point in changing it for
a plugplay replacement to achieve better sound quality IMO.
thanks Phil :)
___
audiophiles mailing list
cdmackay;401327 Wrote:
Phil Leigh wrote:
Yes - I suggest you keep the money in your wallet :)
Unless your stock supply is faulty there is no point in changing it
for
a plugplay replacement to achieve better sound quality IMO.
thanks Phil :)
Juat my opinion - but these are hard times!
Thanks iPhone and Phil, I had somehow overlooked the isolated
transformer part of the previous post. :)
That RGPC Sub-Station looks like a nice item...
--
NewBuyer
NewBuyer's Profile:
iPhone;398137 Wrote:
...Basically, if one has a ground loop problem because of other
equipment some of the isolated transformer aftermarket linear power
supplies can solve the hum...
That is interesting - I did not know this. I wonder how using a linear
supply (instead of switching) can
NewBuyer;400840 Wrote:
That is interesting - I did not know this. I wonder how using a linear
supply (instead of switching) can solve groundloop issues?
If there is no earth connection on the linear... :)
--
Phil Leigh
You want to see the signal path BEFORE it gets onto a CD/vinyl...it
cdmackay;400882 Wrote:
hi all,
Are there any recommendations for a sensibly priced Linear Power Supply
for my new SB Receiver, please?
I'm currently running it through Quad 34/606, if that's relevant. Will
I
even notice a difference?
anything else I should be considering...?
Phil Leigh;400883 Wrote:
If there is no earth connection on the linear... :)
Hi Phil,
Sorry to be dense - do you mean there is no 3rd prong (safety ground)
on the linear supply's power cord, but instead just hot and neutral?
--
NewBuyer
NewBuyer;401063 Wrote:
Hi Phil,
Sorry to be dense - do you mean there is no 3rd prong (safety ground)
on the linear supply's power cord, but instead just hot and neutral?
A two prong only factory plug (not one that is cut or broken off by the
end user) or a proper isolation transformer
Too bad the CIAudio VDC-SB is so pricey at $259 USD:
http://www.ciaudio.com/vdc_sb.html
--
USAudio
USAudio's Profile: http://forums.slimdevices.com/member.php?userid=8580
View this thread:
USAudio;398082 Wrote:
Too bad the CIAudio VDC-SB is so pricey at $259 USD:
http://www.ciaudio.com/vdc_sb.html
The stock supply matches linear power supplies when tested with
Audiodiffmaker, as does a 5 amp HP 5.001 VDC instrument power supply as
does a 6 VDC battery. No difference whatsoever!
iPhone;398126 Wrote:
The stock supply matches linear power supplies when tested with
Audiodiffmaker, as does a 5 amp HP 5.001 VDC instrument power supply as
does a 6 VDC battery. No difference whatsoever! Dont waste your money
on buying new power supplies for the Duet or SB3, period! Phil
Wombat;398132 Wrote:
Well, there is another way the psu can play a role. In early threads in
here i described a problem with the switching psu interferring with my
monoblocks. It produced a tiny bith of hum. A linear psu i had around
didn't.
Short after i found the problem in wrong
iPhone;393752 Wrote:
The issue is that more amps for cheap is a bad bad way to go. These
cheap higher amp Power Supplies are not isolated supplies and cause
more problems. If you are going to get another wall wart type supply,
order the newer version from Logitech. If your going for 3Amp or
Interesting to note in this thread that the general impression seems to
be that I bought the 4A psu deliberately. Not so ... It was merely the
only one with an IEC mains inlet that I could find at the time. If I
could have found one with the same rating as the wallwart psu then i
would no doubt
Yes ... I agree and that is my long term plan just need to wait
until funds permit and in the meantime will learn all about its
functions.
ST
--
Stdik
Stdik's Profile:
Rodney_Gold;393534 Wrote:
As an audiophile , you should consider the SB as a very high quality
extremely cheap transport with all your music on it.
IE use the digital output and get the DAC of your choice if you want
substantial improvements over stock rather than spend money modding it
Iv'e actually used the SB and the TP's analog outputs into various
headphone amps , using various Ic's all thru either Sen 650 or Sen 600
cans. I find the TP's dac rather lifeless and clinical and the Sb3's a
little harsher and less airy compared to lets say my Jolida Jd100
used as a source. I
Rodney_Gold;393665 Wrote:
... I have changed from an anal hardcore audiophile back to a more
forgiving music lover.
Well said that man! I too am trying to be less anal about it all these
days. But I've still got CDX/XPS/52/SCap/135/135/NAT05 = 7 boxes + a
whole mess of cables, when I'm sure
darrenyeats;393443 Wrote:
Well my 1.5A PS has an intermittent problem, 99.9% of the time it is
fine however. When I do something about it, I may as well jump for the
4A one since it's equally inexpensive.
Like Phil my main concern is RFI. But eventually, I intend to do that
blind test and
iPhone;393752 Wrote:
The issue is that more amps for cheap is a bad bad way to go. These
cheap higher amp Power Supplies are not isolated supplies and cause
more problems. If you are going to get another wall wart type supply,
order the newer version from Logitech. If your going for 3Amp or
Didn't I read elsewhere on this august forum that upgrading the PSU as
above only makes a discernable difference with the analogue outputs on
SB Classic?
I'm using digital out (co-ax) to DacMagic - think it's worth it?
Thanks.
Graeme
--
GRC
-Seen it all, done it all, can't remember most of
GRC;393243 Wrote:
Didn't I read elsewhere on this august forum that upgrading the PSU as
above only makes a discernable difference with the analogue outputs on
SB Classic?
Well keep in mind we've now shipped a few different products and
different power supplies over the years. After Logi
I can't see the point of using an overrated supply. The SB will only
ever draw what it needs and no more (1.5A). It's not like a power amp -
there's no need for current delivery headroom, since the current draw is
not that dynamic!
--
Phil Leigh
You want to see the signal path BEFORE it gets
Well some people claim it does. I use the 1.5A supply that Phil
mentions, with the analogue outs, with no complaints but I can't swear
about the difference. I'm pretty sure it hasn't done any harm.
If the 4A is that inexpensive I might go for it and try some blind
tests with stock PS vs 1.5A vs
seanadams;393285 Wrote:
Also the US and UK/Euro power supplies used to be different, but now
they are the same brick with an interchangeable AC plug. The PS that
now comes with SB3 has lower RFI and that was (IMHO) the only
defensible reason to prefer an aftermarket supply on the SB3. The
Heftier doesn't mean better. That's not what's in play here.
The reason why Naim and Cyrus PSU upgrades to their pre-amp.line level
products work is that they are providing discrete supplies to different
parts of the circuitry with additional isolation of noise etc. No extra
ooomph involved as
GRC;393243 Wrote:
Didn't I read elsewhere on this august forum that upgrading the PSU as
above only makes a discernable difference with the analogue outputs on
SB Classic?
I'm using digital out (co-ax) to DacMagic - think it's worth it?
Thanks.
Graeme
The stock supply is best for
To be clear, the reason I have a replacement PSU is because the original
stock PSU I had interfered with my AM radio (this is NOT the current
version of the stock PSU). I've never heard any improvement in the SB
sound from using it.
--
Phil Leigh
You want to see the signal path BEFORE it gets
Phil, iPhone, Sean et al ...
I think we're in violent agreement ...
1. from a sound quality perspective, the _current_ PSU is way good
enough for the SB Classic but go knock yourself out on an upgrade at
£20 sterling
2. a better DAC _will_ impove the sound and cost at least £200 sterling
+
Well my 1.5A PS has an intermittent problem, 99.9% of the time it is
fine however. When I do something about it, I may as well jump for the
4A one since it's equally inexpensive.
Like Phil my main concern is RFI. But eventually, I intend to do that
blind test and to verify the theory.
Darren
Thanks for all the interest my question has generated. Firstly as a die
hard audiophile trying to embrace the new technology may i say how
informative the forums are. Secondly and on the subject of PSU
difference or no difference. There is much hoodoo around the subject
within hi-fi circles and I
As an audiophile , you should consider the SB as a very high quality
extremely cheap transport with all your music on it.
IE use the digital output and get the DAC of your choice if you want
substantial improvements over stock rather than spend money modding it
It really isnt a great
Thanks to you who gave advice, everything set up and works well. I have
also received the new power supply and can report an appreciable
improvement in performance. Basically more of everything, frequency
extremes more controlled, bigger more dynamic soundstage. For those who
are interested the
Stdik;392936 Wrote:
Thanks to you who gave advice, everything set up and works well. I have
also received the new power supply and can report an appreciable
improvement in performance. Basically more of everything, frequency
extremes more controlled, bigger more dynamic soundstage. For those
Audiolab 8000A pre-amp stage - 8000P power amp. All powered via an Olson
filtered 4 way and dedicated earth spike wired with Kimber cable. As
soon as I replaced the standard sb wallwart with the new psu connected
via IEC lead to the mains I got the hum. I think the problem possibly
lies in the
The problem is the aftermarket DC power supply - it is not isolated.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread:
ah - I use this one which is isolated:
STONTRONICS
AD-05150R
(Farnell PW00187)
which is a 5V 1.5A supply of different design.
--
Phil Leigh
You want to see the signal path BEFORE it gets onto a CD/vinyl...it
ain't what you'd call minimal...SB3+Stontronics PSU - Altmann
JISCO/UPCI - TACT
1. If that is a regulated PSU then it should not be an issue. If at all
concerned measure the unloaded voltage of the psu. Unregulated PSU that
are used way below their current capacity can output much higher
voltages than stated.
2. In squeezecenter make sure that you do not have it set to
Hi all. having just bought the SB3 Wireless I am now determined to get
the best out of it. I have been an audiophile for years and have now
decided to join the 21st century so the CD players up for sale and the
SB3 duly installed, and mightily impreesed i am too.
Point 1 Having surfed the
Thanks for that. It is a regulated PSU so all should be well. With
regard to the Transcode Audio setting, not too sure what that means and
I have had a look round the settings menu in Squeezecentre but couldn't
see a check box relating to that, can you advise.
ST
--
Stdik
are you using the analogue or digital outputs (the latter would be into
an external DAC)?
--
Phil Leigh
You want to see the signal path BEFORE it gets onto a CD/vinyl...it
ain't what you'd call minimal...SB3+Stontronics PSU - Altmann
JISCO/UPCI - TACT 2.2X (Linear PSU) + Good Vibrations S/W -
I am using the analogue outputs via some fairly esoteric interconnects
into the pre-in inputs of an Audiolab 8000A integrated which then feeds
an Audiolab 8000P power amp. The sound is very good, not quite up to my
CDP which is a modded Arcam Alpha 5 CD just a little lightweight by
comparison,
Stdik;392618 Wrote:
Thanks for that. It is a regulated PSU so all should be well. With
regard to the Transcode Audio setting, not too sure what that means and
I have had a look round the settings menu in Squeezecentre but couldn't
see a check box relating to that, can you advise.
ST
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