Re: [SlimDevices: Audiophiles] Why cannot you make Transporter support 176.4 and 192Khz/24?
johnswenson;528305 Wrote: that little switcher that comes with the sb3 is so bad that it makes my skin crawl just thinking about it. I keep one on the floor in my listening room and stomp on it everytime i go in or out. I've been trying to come up with a good use for one, such as testing the ruggedness of a sledge hammer etc. That little thing is amazingly resiliant, i have not been able to damage it yet. A 15 pound sledge hammer with a really good swing would probably do it. John s. :p -- Themis SB3 - North Star dac 192 - Croft 25Pre and Series 7 power - Sonus Faber Grand Piano Domus Themis's Profile: http://forums.slimdevices.com/member.php?userid=14700 View this thread: http://forums.slimdevices.com/showthread.php?t=76496 ___ audiophiles mailing list audiophiles@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/audiophiles
Re: [SlimDevices: Audiophiles] Aperion Speakers Peachtree
cooppw02;528037 Wrote: I think this is a good thread, although I'm not sure the Audiophiles here would agree. This part of the forum seems to be populated by those who will look at a $2,500 system, turn up their noses and pronounce it decidedly mid-fi, then go back to debating whether there is a discernible difference between WAV and FLAC. Nobody claimed a system is mid-fi solely based on its price. You're mistaken. ;) -- Themis SB3 - North Star dac 192 - Croft 25Pre and Series 7 power - Sonus Faber Grand Piano Domus Themis's Profile: http://forums.slimdevices.com/member.php?userid=14700 View this thread: http://forums.slimdevices.com/showthread.php?t=76284 ___ audiophiles mailing list audiophiles@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/audiophiles
Re: [SlimDevices: Audiophiles] Why cannot you make Transporter support 176.4 and 192Khz/24?
JohnSwenson;528305 Wrote: I've measured big differences using a linear supply for the SB3, but its not in the signal coming out of the DAC or digital outs. The switcher that comes with the SB3 injects a huge amount of noise into the power cord which winds up in the other boxes in the system unless you have very good power filtration in your system. The frequencies that come out of this switcher are rather pernicious, they are low enough that most RF filters don't touch them and high enough that they sail right through the stray capacitances of most power supplies. This is not just conjecture, I've measured it several times with many different pieces of equipment, power bars, power filters etc. Its rather interesting that the only equipment which does a good job filtering out this noise is boxes which also have switching supplies. The switcher has filters designed to keep its own noise out of the electronics which also does a good job blocking the noise from the SB3 supply. The result of this is that the effect of the noise from the SB3 switcher in general is far more noticeable on high end gear that uses good linear supplies than it is with consumer gear using swithing supplies. In my system the good linear supply does make a significant difference with the SB3. With the SB3 supply even if the SB3 is not providing the signal it makes a difference, which seems a pretty good indication that its not direct signal related but some other vector. Just plugging the switcher is not enough to cause the problem, it has to have a significant load (the SB3) in order for this to be an issue. I have not tried just a resistor as a load to the switcher and see if that degrades the sound from other sources. The switcher that comes with the Touch is vastly better than the one that came with the SB3. With it I cannot hear any difference using the switcher or the linear supply. When I have the touch in the listening room I just use its own switcher. One test I have NOT done, but probably should is to use the Touch's supply with the SB3. In addition to the noise injected into the AC line there IS noise radiated from the wires and the supply box itself which can get picked up by interconnects and other boxes. My measurements show this to be significantly less importance than the power cord born noise, but its still there. If an audiophile is using unshielded interconnects (which are popular in some circles) this source of noise can wind up being significant. Th SB3 itself also radiates a lot more RF than the Touch, but thats irrespective of what power supply you use. So yep, using a linear instead of the switcher that comes with the SB3 CAN make a big difference to sound. How much is going to be quite system dependant. For some its going to make a big difference others won't hear it at all and others will be inbetween. That little switcher that comes with the SB3 is so bad that it makes my skin crawl just thinking about it. I keep one on the floor in my listening room and stomp on it everytime I go in or out. I've been trying to come up with a good use for one, such as testing the ruggedness of a sledge hammer etc. That little thing is amazingly resiliant, I have not been able to damage it yet. A 15 pound sledge hammer with a really good swing would probably do it. John S. John - thanks for taking the time to type all of this - really fascinating stuff. This explains a lot: 1) Why I could never detect/measure any audible differences with the different supplies - I was measuring the SB3 in isolation, so there were no other vectors. 2) When doing listening tests, my system has a very high-quality switching supply in the pre-amp which would filter out any crap coming back in via the mains through that vector 3) I only use screened cables (I did once have an NVA amp that came with unscreened cables - it also came with a self-destruct feature!) 4) I use a symmetrical choke-based mains filter for all of my switching supplies (router, USB disk, HDMI Switch box, SB3/Touch) that will stop some crud coming back onto the mains from those devices. -- Phil Leigh You want to see the signal path BEFORE it gets onto a CD/vinyl...it ain't what you'd call minimal... SB Touch Beta (wired) - TACT 2.2X (Linear PSU) + Good Vibrations S/W - MF Triplethreat(Audiocom full mods) - Linn 5103 - Aktiv 5.1 system (6x LK140's, ESPEK/TRIKAN/KATAN/SEIZMIK 10.5), Townsend Supertweeters, Blue Jeans Digital,Kimber Speaker Chord Interconnect cables Kitchen Boom, Outdoors: SB Radio Phil Leigh's Profile: http://forums.slimdevices.com/member.php?userid=85 View this thread: http://forums.slimdevices.com/showthread.php?t=76496 ___ audiophiles mailing list audiophiles@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/audiophiles
Re: [SlimDevices: Audiophiles] Why cannot you make Transporter support 176.4 and 192Khz/24?
michael123;528228 Wrote: And to the guys that do not (even) need 96/24, why did you buy Transporter? Are you suggesting that the only capability of the Transporter that might justify a purchase is the sample rates that it supports? Don't you think perhaps the high quality DAC chip it uses, or the fact that it has low noise balanced outputs might have some bearing on its performance? Or that its multiple digital inputs which allow it to be used as a DAC for other sources might be useful in some installations? I would still have bought a Transporter if it had been limited to 48/24 -- cliveb Transporter - ATC SCM100A cliveb's Profile: http://forums.slimdevices.com/member.php?userid=348 View this thread: http://forums.slimdevices.com/showthread.php?t=76496 ___ audiophiles mailing list audiophiles@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/audiophiles
Re: [SlimDevices: Audiophiles] Thoughts on Parasound Halo amp/preamp potential purchase
I'm using a Parasound Halo A23 with a Transporter, using the balanced inputs, to drive Sonus Faber Cremona Auditor speakers. Love the sound! Very sharp-looking amp. -- Ron Olsen Ron Olsen's Profile: http://forums.slimdevices.com/member.php?userid=9233 View this thread: http://forums.slimdevices.com/showthread.php?t=76561 ___ audiophiles mailing list audiophiles@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/audiophiles
Re: [SlimDevices: Audiophiles] Aperion Speakers Peachtree
iPhone;528056 Wrote: Why don't we start with what they will be used for? How big is the room? How loud do you listen to music (mainly party use or serious listening)? What other sources do you want to support? The room is approx 14' x 14', but opens up to the kitchen and eating area -- so I suppose you could consider it 14' x 30', depending on how we're defining the room. My current equipment is a pair of Bose 201 bookshelf speakers and a $150 Sony receiver, both over 15 years old. Call a $2,500 setup MidFi or whatever, but I'm expecting a big upgrade in sound quality with this purchase. This will be a one-time buy and will be dedicated to 2-channel audio delivered via either an SB3 or an SBR. (Someday maybe a Touch, although I don't have any current plans to buy one.) I might connect the TV and BluRay player to this setup, but that is a secondary and unimportant use. Source material is about 50/50 between local FLACs and Rhapsody/Pandora. Mostly Rock/Pop genre, with a little Jazz or Classical from time to time (just enough so I can tell myself I'm cultured.) Volume is normally set at a level where one could easily carry on a conversation while the music is playing. The 4-year old and 2-year old prevent us from spending much time doing critical listening. That said, I want the system to be capable of cranking on the rare occasion that I can turn up the volume. Sounds like I need to spend some time at the local audio store. (Was hoping for super positive reviews, making this a slam dunk to pursue -- reviews online for Aperion and the Nova have been consistently very positive.) I looked at the Thiel CS1.6, seems to be a bit more money, $2,400 for a pair. Doesn't leave much coin left for the amp. I'll also check out the NAD amps, thanks for the suggestion. iPhone, have you heard the Aperion's? -- ajkidle 2x SBR, SB3, Boom, Radio, iPeng ajkidle's Profile: http://forums.slimdevices.com/member.php?userid=18929 View this thread: http://forums.slimdevices.com/showthread.php?t=76284 ___ audiophiles mailing list audiophiles@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/audiophiles
