Re: [SlimDevices: Audiophiles] power supply upgrade for duet receiver

2008-06-23 Thread Rodney_Gold

I found a difference in sonics when I changed the place the flac gets
decoded from my TP/SB to the puter? Its a cheap tweak for sure - it's
free


Quoted from the thread

You can try disabling the native FLAC streaming and let the server
decode the file and stream WAV. If this changes things you'll fall into
the "I hear a difference where one shouldn't exist" camp. There are a
bunch of folks that belong to this :).

1. SqueezeCenter Settings -> Advanced -> File Types -> FLAC/FLAC =
disabled, FLAC/WAV = flac
2. Flip to another song and start playing. If you're using Windows, you
should see a process labeled flac.exe in the Task Manager indicating the
server decode is operating.

- Ken (hearing differences where they shouldn't exist)


-- 
Rodney_Gold

Sb3/Z-sys RDP1/meridian DSP5500's
TP/X-cans v3/Senns 650's
TP/TACT 2.0/SCM 50a's
TP/Meridian DSP5000's
"The nicest thing about smacking your head against the wall is...the
feeling you get when you stop"

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Re: [SlimDevices: Audiophiles] Setting Transporter to Slave for World Clock Input

2008-06-23 Thread Nonreality

It's been one of the things that has really impressed me about the SB3
is how well the wireless has worked and sounded.  Granted it's only
about 25 feet away from my access point but it has been fantastic.  I
run both Flac and Lame mp3 220 vbr and never have dropouts or any loss
of quality.  Yes I don't have the 20k system that would maybe show me
the errors of my way but I do have a decent system for the average guy.
So in the right conditions, wireless can handle about anything but the
possibility exists and why do it if you invest a ton in your equipment.
That about right?  I guess I do have one Audiophile characteristic in
that not keeping things neat is no problem here. :]  Thanks for the
info my friend.


-- 
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Re: [SlimDevices: Audiophiles] power supply upgrade for duet receiver

2008-06-23 Thread tyler_durden

p-cubed;314488 Wrote: 
> 
> Thanks for the Herbach link, but I didn't find any 9v linear supplies
> there.
> 
> Quitting while ahead is generally good advice. I never seem to do it
> though.

Good luck to you, then!

TD


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Re: [SlimDevices: Audiophiles] power supply upgrade for duet receiver

2008-06-23 Thread p-cubed

iPhone, Thanks for the detailed response. Where did you find the current
spec for the Creation Audio supply? I couldn't find that anywhere
online. I am aware that the SBR expects a minimum supply rating of 550
mA.

As to my interest in upgrading the power supply:

Just got the Duet about a week ago. I have added it to my main rig, and
while I love the convenience of the system, the sound leaves something
to be desired.

The main rig is: Music Reference RM5 Mk III tube preamp -> McCormack
DNA-1 Rev A power amp -> B&W Nautilus 805 speakers. Cabling is Cardas
and Synergistic Research. AC Power is via a dedicated line, distributed
through a Furutech eTP-80 (except the power amp plugs straight into the
dedicated AC line).

My digital source has been a Marantz DV-8400 Universal Disc player.
Power to that is through a JPS Digital Power Cable. The Marantz sits on
Aurios bearings.

My discs have all been ripped with dbpoweramp CD ripper to FLAC. Played
back via the SBR through the main rig, compared with the same discs
through the Marantz, the sound is thinner harmonically, and the imaging
is less distinct. It is NOT bad, just not as good as what I'm used to.

Which leads me back to the notion of upgrading the power supply. I
would expect that putting a nice DAC in the chain would be much more
effective, but I don't have the funds for that at present. I have
gotten lots of mileage from various cheap tweaks in the past, and am
just looking for one more!

Thanks for your thoughts,
Earle


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Re: [SlimDevices: Audiophiles] Transporter AC power overflow (Firmware 43)

2008-06-23 Thread seanadams

Couldn't say given just a one-off event. If it happens again then we can
be pretty sure it's a new bug... it's kind of hard not to notice this
one.


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Re: [SlimDevices: Audiophiles] About to sell my CD player--will SB3 be enough??

2008-06-23 Thread nicholasg

Nonreality;314461 Wrote: 
> I've got the older 971 and don't have any problems.  Very good player
> for the money.  You probably weren't using the new Denon cable.  Might
> want to look into that.  :)

That must be it :-)

I did try optical and coax and had the same issue (as did someothers on
AVSFORUM). You only notice the issue if the music on the first track on
the CD starts at zero seconds. I also think they are not very well
build and look cheap.


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Re: [SlimDevices: Audiophiles] power supply upgrade for duet receiver

2008-06-23 Thread iPhone

p-cubed;314488 Wrote: 
> Tyler, my SBR power adapter label reads  "output +9.0v". I am hoping to
> find a linear supply for the Receiver only. I came across this one that
> looked promising, and cheap:
> 
> http://shop.creationaudiolabs.com/product.sc?productId=27
> 
> Thanks for the Herbach link, but I didn't find any 9v linear supplies
> there.
> 
> Quitting while ahead is generally good advice. I never seem to do it
> though.
> 
> regards,
> Earle

Hello Earle, 

One of the most important things about a power supply for an audio
device is available current; the second being the output voltage is in
the ballpark. A regulated supply is always a nice bonus. The link you
published should NOT be used with an SBR. That $10 PS is totally
inadequate. Its maximum available output current is 250mA, which is
well less then half of the required minimum!

Not putting to fine a point on it, if one doesn’t know the
minimum power supply requirements before attempting to replace/upgrade
the OEM PS the previous post advice about quitting while one is ahead
is excellent advice. IE, you are better off with the proper OEM Power
Supply.

Besides before spending money to upgrade the OEM supply, does your
system not need upgraded first to take advantage of bothering to try to
improve the output of the Duet with a PS upgrade? Not knowing your
equipment, how about a DAC, new speakers, better pre-amp, amplifier
with more current? Unless all of this is already top shelf, not much
need or use in a PS upgrade for the SBR.


-- 
iPhone

*iPhone*   
'Last.FM' (http://www.last.fm/user/mephone)
Media Room:
Transporter, VTL TL-6.5 Signature Pre-Amp, Ayre MX-R Mono Blocks,
Vandersteen Quatro, VeraStarr 6.4SE 6-channel Amp, VCC-5 Reference
Center, four VSM-1 Signatures, Runco RS 900 CineWide AutoScope 2.35:1  


Living Room:
Duet, ADCOM GTP-870HD, Cinepro 3K6SE III Gold, Vandersteen Model 3A
Signature, Two 2Wq subs, VCC-2, Two VSM-1  

Bedroom: SB3, NAD C370, Thiel 2.3
Home Office: SB3, Parasound Vamp v.3, VSM-1 Sigs
Mobile: SB3, Audioengine A5

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Re: [SlimDevices: Audiophiles] Transporter AC power overflow (Firmware 43)

2008-06-23 Thread mswlogo

seanadams;314324 Wrote: 
> Interesting. Probably there's nothing wrong with your power, but the
> software failing to read the ADC properly, which measures the voltage
> at the transformer's secondary. If there's an error, or the system
> thinks it has detected an over-voltage, it goes into a failsafe mode
> where it immediately configures the primary winding for 220V, and then
> halts. 
> 
> It might be a good idea to go into the firmware setup menu -> current
> settings -> AC line voltage and confirm that it has a sane reading. It
> should be +/- 20% of what you'd get with an voltmeter. The accuracy is
> not spectacular as its purpose is only to tell the difference between
> 110 and 220.

I checked it shortly after and it read 116V.

So is it a software glitch in new firmware or a real power glitch?

It seemed fine this evening.


-- 
mswlogo

Thinkpad XP SS > Cat5 > Transporter > SPDIF-COAX > Meridian G68ADV
(Trifield, Room corrected, Upsampled) > DSP6000 Mains, DSP5500HC
Center, DSP33 Rears

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Re: [SlimDevices: Audiophiles] power supply upgrade for duet receiver

2008-06-23 Thread p-cubed

Tyler, my SBR power adapter label reads  "output +9.0v". I am hoping to
find a linear supply for the Receiver only. I came across this one that
looked promising, and cheap:

http://shop.creationaudiolabs.com/product.sc?productId=27

Thanks for the Herbach link, but I didn't find any 9v linear supplies
there.

Quitting while ahead is generally good advice. I never seem to do it
though.

regards,
Earle


-- 
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Re: [SlimDevices: Audiophiles] Setting Transporter to Slave for World Clock Input

2008-06-23 Thread Pat Farrell
Nonreality wrote:
> With the experts gathered here I'm hoping to get a couple of answers
> that have me a bit perplexed.  Earlier on this thread it was implied
> that the bandwidth of a wireless router was not enough for high quality
> sound.  What rates are the real high quality music? 

I think it was more carefully that WiFi may have problems.

RedBook audio is 172 Kbytes/second. Flac is about half that.
http://www.pfarrell.com/prc/bits.html

172 Kbytes/second is over 1.3 megabit/second.
So Flac really needs 700k bits/second.

This is a significant portion of 11b networking, which is all that a SB1
could do. So with an ancient SB1, its marginal.

With any more recent stuff, SB2, SB3, SB Classic, Duet, you can run 11g.
It claims to be five times faster than 11b. This provides a fair amount
of headroom. But WiFi is a shared media, it is shared with bluetooth,
Zigbee, microwaves, some wireless phones, and your neighbor's WiFi.

So the fewer WiFi hops the signal has to make, the better. Most folks
run their SqueezeCenter hard wired with Ethernet to the Wireless
router/access point. I ran CAT5 cable to my Transporter. But I ran over
1500 feet of CAT5 in my house, so it was no big deal.

My serious stereo is in my living room, far away from the air
conditioner, and far away from the server with SqueezeCenter.

The room (and speaker placement in the room) can easily be the most
important thing for sound quality, once you get above a minimum level.
Rectangular rooms are death. Add book cases and stagger the books (do
*not* make it neat with all the same sized books on the shelves.



-- 
Pat Farrell
http://www.pfarrell.com/

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Re: [SlimDevices: Audiophiles] Setting Transporter to Slave for World Clock Input

2008-06-23 Thread Nonreality

With the experts gathered here I'm hoping to get a couple of answers
that have me a bit perplexed.  Earlier on this thread it was implied
that the bandwidth of a wireless router was not enough for high quality
sound.  What rates are the real high quality music?  I've checked my
SB3's wireless test and it runs 100% up to 4-5000kbps.  I know a
regular wave file is in the 1400 range and works perfect, why isn't
this enough for almost any file type?  There must be something I'm not
taking into account.  The second question is that a lot of the gains
that you are getting takes place in the quiet ranges of the music and
in the difference of the low and high. What kind of rooms do you have
to enable you to hear this well enough to make use of the gains? Mine
is only reasonably quiet when I'm the only one here but still there is
air movement, heating AC etc, other electronic noises that make the
nuances hard in some cases but at the levels you are talking must be
very hard.  Do you have rooms that are isolated from all that?  This is
interesting stuff for me.  Not all of the audiophile stuff is as it
seems sometimes to be a pissing match over who can out knowledge the
other.  This thread has been interesting more on the scientific side. 
Anyway no hurry on the answers, they just have been bugging me. Thanks


-- 
Nonreality

-IF THE RULE YOU FOLLOWED BROUGHT YOU TO THIS, OF WHAT USE IS THE RULE.-

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Re: [SlimDevices: Audiophiles] Toslink or Digital Coax?

2008-06-23 Thread Eric Seaberg

I don't want to by misleading here, and thought I'd better mention that
I'M NOT selling any of my DAC-1s.  They're a part of inventory at our
facility and I can't just ship them off to my "Slim Buddies".  

Sorry for this misrepresentation.


-- 
Eric Seaberg

Eric Seaberg - San Diego - [EMAIL PROTECTED]

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Re: [SlimDevices: Audiophiles] About to sell my CD player--will SB3 be enough??

2008-06-23 Thread JJZolx

I'd definitely recommend having a CD player on hand for the times when
your SqueezeCenter server, or your network isn't available for whatever
reason.  Or even just for when someone comes by with a CD that you want
to play on your stereo without having to rip it first.

If you're going to be playing through an outboard DAC, and if it's only
occasionally used, then I wouldn't worry too much about the merits of
the CDP as a transport.


-- 
JJZolx

Jim

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Re: [SlimDevices: Audiophiles] About to sell my CD player--will SB3 be enough??

2008-06-23 Thread Nonreality

nicholasg;31 Wrote: 
> I would not recommend an Oppo. When playing the first track on a CD I've
> found my receiver (Denon 3806) takes around a second to "sync up" and
> you lose that music. This does not happen with my Panasonic Blu-Ray
> disc player or my Cyrus CD player used as a transport. On another forum
> (avsforum.com) this was acknowledged as a design "feature" of the Oppo
> (DV-981HD).
> 
> I've always read great things about the Ayre CD player - its incredible
> that SB3 + DAC1 can sound as good.I've got the older 971 and don't have any 
> problems.  Very good player
for the money.  You probably weren't using the new Denon cable.  Might
want to look into that.  :)


-- 
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Re: [SlimDevices: Audiophiles] About to sell my CD player--will SB3 be enough??

2008-06-23 Thread nicholasg

sc53;314362 Wrote: 
> Hi, after a year or so with my 3 SB3's running quite reliably at home on
> both PC and Mac, I have decided to part with my precious and wonderful
> Ayre CD player (the CX-7e). I use the SB3's with DACs and cannot
> identify the differences when the music is from the Ayre or from the
> SB3 into an Electrocompaniet ECD-1 or a Benchmark DAC-1. So I have
> decided to part with the Ayre--but I feel I need an emergency backup to
> use in case of network meltdown, modem  failure or whatever. Is there
> any inexpensive player I could buy to use as a backup if my network is
> down, that won't be horribly inadequate given what I am used to
> listening to? I was thinking of the Oppo but have never heard it;
> similarly thought of the cambridge player but again never heard it. Any
> thoughts?


I would not recommend an Oppo. When playing the first track on a CD
I've found my receiver (Denon 3806) takes around a second to "sync up"
and you lose that music. This does not happen with my Panasonic Blu-Ray
disc player or my Cyrus CD player used as a transport. On another forum
(avsforum.com) this was acknowledged as a design "feature" of the Oppo
(DV-981HD).

I've always read great things about the Ayre CD player - its incredible
that SB3 + DAC1 can sound as good.


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nicholasg

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Re: [SlimDevices: Audiophiles] About to sell my CD player--will SB3 be enough??

2008-06-23 Thread Pat Farrell
Phil Leigh wrote:
>If you are running it into your DAC(s), pretty much anything will do...


SuperQ wrote:
> If you're going into an outboard DAC, it doesn't really matter.

What, you two guys don't believe that the CD transport is important? How
can you claim to be audiophiles?

Next you will claim that bits are bits and that there is no such thing
as a digital cable.

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Re: [SlimDevices: Audiophiles] About to sell my CD player--will SB3 be enough??

2008-06-23 Thread SuperQ

If you're going into an outboard DAC, it doesn't really matter.


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Re: [SlimDevices: Audiophiles] About to sell my CD player--will SB3 be enough??

2008-06-23 Thread Phil Leigh

sc53;314362 Wrote: 
> Hi, after a year or so with my 3 SB3's running quite reliably at home on
> both PC and Mac, I have decided to part with my precious and wonderful
> Ayre CD player (the CX-7e). I use the SB3's with DACs and cannot
> identify the differences when the music is from the Ayre or from the
> SB3 into an Electrocompaniet ECD-1 or a Benchmark DAC-1. So I have
> decided to part with the Ayre--but I feel I need an emergency backup to
> use in case of network meltdown, modem  failure or whatever. Is there
> any inexpensive player I could buy to use as a backup if my network is
> down, that won't be horribly inadequate given what I am used to
> listening to? I was thinking of the Oppo but have never heard it;
> similarly thought of the cambridge player but again never heard it. Any
> thoughts?

If you are running it into your DAC(s), pretty much anything will do...


-- 
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 RCS 2.2X with Good Vibrations S/W - MF X-DAC
V3/X-PSU/X-10 buffer (Audiocomm full mods)- Linn 5103 - Linn Aktiv 5.1
system (6x LK140's, ESPEK/TRIKAN/KATAN/SEIZMIK 10.5), Townsend
Supertweeters, Kimber & Chord cables

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[SlimDevices: Audiophiles] About to sell my CD player--will SB3 be enough??

2008-06-23 Thread sc53

Hi, after a year or so with my 3 SB3's running quite reliably at home on
both PC and Mac, I have decided to part with my precious and wonderful
Ayre CD player (the CX-7e). I use the SB3's with DACs and cannot
identify the differences when the music is from the Ayre or from the
SB3 into an Electrocompaniet ECD-1 or a Benchmark DAC-1. So I have
decided to part with the Ayre--but I feel I need an emergency backup to
use in case of network meltdown, modem  failure or whatever. Is there
any inexpensive player I could buy to use as a backup if my network is
down, that won't be horribly inadequate given what I am used to
listening to? I was thinking of the Oppo but have never heard it;
similarly thought of the cambridge player but again never heard it. Any
thoughts?


-- 
sc53

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Re: [SlimDevices: Audiophiles] dCS Elgar and Verona with SD Transporter

2008-06-23 Thread Ciaran

adamslim;314336 Wrote: 
> Does using the Verona as master clock really make sense?  I would have
> thought that you would want the master clock in the DAC for best jitter
> elimination, in which case the Verona would be redundant in a 'direct'
> system.
> 
> It makes sense to me if you are syncing many digital processors (and
> potentially DACs) in some professional environment, maybe, where you
> need a lot of synchronicity, as it were.  Like if you're using the
> upsampler (Purcell?)
> 
> I thought the point of the Verona was to take a master clock in from
> the DAC, and then send it out again to lots of digital processors.
> 
> Right, I seem to have confused myself...

The standard dCS set-up is to have the transport and DAC slaved to the
external master clock (and my system was actually set up by a dCS
manager). The more recent transports from dCS upsample red book to DSD,
so the Purcell is unnecessary unless you want a choice of upsampling
modes. I see from 'this thread'
(http://forums.slimdevices.com/showthread.php?t=39770) (to which I've
just contributed) that seanadams (Founder, Slim Devices) strongly
disapproves of the use of an external word clock in this situation (and
gives cogent reasons for doing so!), but what can I say? It sounds
great, and the improvement is easily audible.


-- 
Ciaran

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Re: [SlimDevices: Audiophiles] Setting Transporter to Slave for World Clock Input

2008-06-23 Thread Ciaran

A related issue arose in a thread I started here yesterday. I did a
Google search on "External Word Clock" and, lo and behold! found myself
back at this forum on this thread. I have dCS Elgar Plus DAC, Verdi la
Scala Transport and Verona Word Clock. I am interested in downloading
high resolution audio files and playing them through the Elgar. The
Transporter seems to be about the only device capable of doing this
over a wireless network (which would be convenient), and it is an
attraction for me that it has an external clock connection, so I could
use the Verona as master clock for both (even if Sean thinks this is
perverse and wrong!!). John Atkinson 'reviewed the Verona'
(http://www.stereophile.com/digitalprocessors/305dcs/) very positively
in -Stereophile- in 2005 (you may think -Stereophile- reviews are
rubbish, but they were very positive about the Squeezebox and the
Transporter, and brought them to my attention and that of many other
audiophiles (and John Atkinson is a lot more level-headed than Michael
Fremer, though I do blame him for persuading me to buy a Benchmark
DAC-1)). Now the Verona only outputs 44.1kHz and 48kHz (other dCS
devices can multiply these up as required (probably adding to the
wrongheadedness of the external master clock from Sean's point of
view)): but what will the Transporter do with, say, a 96kHz file when
it's being fed a 48kHz word clock signal?

To get to the point: if I buy a transporter, will I be able to use it
to feed 88.2/24 and 96/24 digital signals to my Elgar while clocking it
at 44.1 or 48 with my Verona?


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Re: [SlimDevices: Audiophiles] dCS Elgar and Verona with SD Transporter

2008-06-23 Thread adamslim

Does using the Verona as master clock really make sense?  I would have
thought that you would want the master clock in the DAC for best jitter
elimination, in which case the Verona would be redundant in a 'direct'
system.

It makes sense to me if you are syncing many digital processors (and
potentially DACs) in some professional environment, maybe, where you
need a lot of synchronicity, as it were.  Like if you're using the
upsampler (Purcell?)

I thought the point of the Verona was to take a master clock in from
the DAC, and then send it out again to lots of digital processors.

Right, I seem to have confused myself...


-- 
adamslim

Those are my principles, and if you don't like them... well, I have
others

SB+, EAR V20, Living Voice OBX-R2s plus some other stuff
SB3, Charlize, Harbeth HL-P3ES

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Re: [SlimDevices: Audiophiles] Transporter AC power overflow (Firmware 43)

2008-06-23 Thread seanadams

Interesting. Probably there's nothing wrong with your power, but the
software failing to read the ADC properly, which measures the voltage
at the transformer's secondary. If there's an error, or the system
thinks it has detected an over-voltage, it goes into a failsafe mode
where it immediately configures the primary winding for 220V, and then
halts. 

It might be a good idea to go into the firmware setup menu -> current
settings -> AC line voltage and confirm that it has a sane reading. It
should be +/- 20% of what you'd get with an voltmeter. The accuracy is
not spectacular as its purpose is only to tell the difference between
110 and 220.


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Re: [SlimDevices: Audiophiles] power supply upgrade for duet receiver

2008-06-23 Thread tyler_durden

Here is where you can find low cost power supplies:
http://www.herbach.com/Merchant2/merchant.mv?Screen=CTGY&Store_Code=HAR&Category_Code=PWS

If you don't know how to select among them, upgrading the PS is not for
you.  The wrong one may destroy your SBR.  Quit while you're ahead.

TD


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Re: [SlimDevices: Audiophiles] dCS Elgar and Verona with SD Transporter

2008-06-23 Thread anselld

Ciaran;314246 Wrote: 
> Thanks for the info, anselld! I'd been wondering about the clocking: 
> the Verona outputs 44.1kHz and 48kHz only: all the high resolution
> audio files use a multiple of one or other of these (the most extreme
> being DSD with 64 × 44.1kHz = 2.8224MHz) and the Elgar Plus is happy
> with that. I wonder can the TP cope or does it need the exact sampling
> rate?
> 
> To input 192/24 to the Elgar you need to use a dual AES/EBU connection:
> as the TP only has one of these, no amount of firmware upgrades will
> make this possible.  But it's a bit theoretical anyway: files of higher
> resolution than 96/24 seem to be pretty rare!


Hmmm, that is a good point.  I dont know what the TP expects on the
world clock input for the higher resolutions and in fairness I only
tested this mode with 44/16 source material.


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Re: [SlimDevices: Audiophiles] Transporter V.43 with knob fix

2008-06-23 Thread Robin Bowes
DCtoDaylight wrote:
> Of course Sean is the real guy to answer this, but
> 
> You're forgetting that the volume control is done in the digital
> domain, not in the analog.  From the descriptions, I believe that there
> used to be two digital stream paths, one at full level, and the other
> volume controlled.  In order to implement some of the additional
> functionality, one of these parallel paths had to be eliminated.  So
> there's no way to have a full volume digital output, either for an
> external DAC, or an external digital loop processor, AND have a volume
> controlled analog out

I'm not so sure about that but, as you say, Sean is the guy to confirm.

Sean?

R.

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Re: [SlimDevices: Audiophiles] Toslink or Digital Coax?

2008-06-23 Thread Eric Seaberg

They're just hangin' for when they need to be used.  I like having
options!!


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Eric Seaberg - San Diego - [EMAIL PROTECTED]

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Re: [SlimDevices: Audiophiles] dCS Elgar and Verona with SD Transporter

2008-06-23 Thread Ciaran

anselld;314136 Wrote: 
> Not quite, but I have used TP with Delius and Purcell upsampler using TP
> slaved to the Delius world clock output.  It certainly works and I don't
> think you will have any major problems.  The only issue as far as I see
> it is that you will have to manually change clock frequency on the
> Verona to match the source sampling rate, whereas if TP were the master
> clock it would adjust itself to the source automatically.  Of course TP
> max resolution is 96/24 max as far as I know.

Thanks for the info, anselld! I'd been wondering about the clocking: 
the Verona outputs 44.1kHz and 48kHz only: all the high resolution
audio files use a multiple of one or other of these (the most extreme
being DSD with 64 × 44.1kHz = 2.8224MHz) and the Elgar Plus is happy
with that. I wonder can the TP cope or does it need the exact sampling
rate?

To input 192/24 to the Elgar you need to use a dual AES/EBU connection:
as the TP only has one of these, no amount of firmware upgrades will
make this possible.  But it's a bit theoretical anyway: files of higher
resolution than 96/24 seem to be pretty rare!


-- 
Ciaran

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