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Chris A

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Chris A last won the day on January 24

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About Chris A

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    https://drive.google.com/drive/folders/0BwQoJ7rtphauWHhtZEZndUw4M0U

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  1. No worries. I've enjoyed my FLAC collection every day since I finished ripping the CDs/DVDs in 2014. Having all my music on external HD has been a real treat. Of course, in Jan 2015 I started my demastering task (which I thought I'd complete before the end of the year...boy, was I off on that estimate.) I'm still demastering, but enjoying every minute of it...especially listening to the results. I consider that most of my gain in improving (two channel) sound from my setup is via demastering--not so much the other stuff--although it certainly has helped me greatly in my other "audio reproduction enhancement activities". Chris
  2. This is pretty key with multi-amping. When listening to more delicate musical textures and instrumentation, especially when listening to tracks that haven't been limited (clipped) and heavily post processed, the SPL and phase information of the original acoustic instruments and voices come through--if our setups are hi-fi enough to let us hear it. Multi-amping is one step in the process of increasing fidelity to the original recording, other steps being flattening the SPL response and then phase response of the loudspeakers in-room (like using those little speakers on stands out in the middle of a listening room, except you also get bass response with Klipsch). This can easily be accomplished using DSP crossovers, such as a miniDSP "HD" series crossover and REW/calibrated microphone. (If you need assistance dialing in the crossover, just PM me for help.) Adding some acoustic treatments--absorption, diffusion--near the loudspeakers only in-room also increases this effect that you mentioned above. Klipsch loudspeakers categorically give you directivity (at least at higher frequencies)--otherwise called "clarity". This largely preserves phase response in-room to your ears. If listening to horn-loaded bass bins...Khorns, La Scalas, Belles, Jubilees, MWMs, etc...you also get directivity below 1 kHz all the way down to 100 Hz, which is below the transition to the room mode regime (commonly called the Schroeder frequency of the room) at which point "directivity" loses its meaning, i.e., the sound wavelengths are bigger than the maximum dimensions of the room. BTW: if you're adventurous using Audacity, you can use Clip Fix, then Normalize on each track (this can be setup to run in a macro without having to watch it while it runs). The de-clipped music tracks will be in a folder named "cleaned" under the directory where the original music tracks are located. You will notice that the new tracks are: 1) less loud, and 2) less strident and harsh in the loud sections ...on your bi-amped or tri-amped loudspeakers. This will especially be true for your London Grammar recordings that you mentioned above. This process is removing the artificial odd-order harmonics during the fast occurring peaks that are added when the tracks are clipped during mastering--as almost all popular music tracks have nowadays. Those having non-Klipsch loudspeakers, i.e., direct radiating drivers instead of horn loaded, will generally not be able to discern the difference because of the early reflections from around the loudspeakers in-room, within 4-6 feet, destroy the phase fidelity of the reproduction. Chris
  3. Yes, as SACDs. I did use the external HDMI input on the Oppo when I was having trouble with the HDMI connection from the computer (which turned out to be a HDMI cable issue of the weirdest sort--which also caused me to acquire the Emotiva along the way...jeesh). It worked (external HDMI inputs to the Oppo), but it really was a kluge to have to turn on the Oppo in order to route digital files to the AVP. The reason why I recently sprang for the NOS XMC-1 is due to the DAC performance, which bested the other AVPs (and AVRs): https://www.audiosciencereview.com/forum/index.php?threads/review-and-measurements-of-emotiva-xmc-1-gen-2-pre-pro.9225/ I don't hear differences in DACs to the point of paying extra money for one. I'm listening in multichannel mode whenever I can, so a two-channel DAC is like extra milk glands on a boar...for my use. I don't have a use for one. I need a multichannel DAC (if I were to try to go that way--which I don't see any reason for, since the AVP is the central electronics element in a multichannel setup--it needs to have the best performance so as to preclude external DACs. I assume that you're talking about analog connections. HDMI is digital, and I hear no noise through digital-only connections, unless there's something like a noisy USB connection.
  4. From the external HD via foobar2000 in native DSD format using HDMI from my computer to the Emotiva XMC-1 AVP.
  5. We're listening to this right now, waiting a long hour until the italian chicken is done baking--in multichannel surround 5.1. It's really spectacular, especially reclining in my zero-G chair. Perhaps you should plan on listening sometime, Rudy--after all the present activities go back to normal...and we have TT paper again. Chris
  6. Note that the single AMT-1s work well on top of the Belle bass bins as my surrounds, so I've got little to complain about in my main setup. Having a double-high array of winged AMT-1s actually makes them more directional in the vertical axis at higher frequencies (about an octave lower where the vertical directivity begins to show up on the directivity index plots), but the doubled height of the stacks doubles the effective on-axis listening window band height in-room, and if you're almost on-axis already, it will increase the direct/indirect ratio of coverage--just like a long line array used in planar dipole radiators, but without the restriction on toe-in that the planar dipoles experience. The wings bring directivity down to 400-500 Hz and that also helps the subjective sound of the stack to sound much more like "really good" Klipsch Heritage loudspeakers which control their directivity down to at least 400-600 Hz, which I've found to be a very big deal in room with the subconscious effects of the sound in-room. Chris
  7. Any new developments? I noticed that sitting down at the listening position made a fairly large difference with the single AMT-1s on top of Khorn clone bass bins. All that says to me is that the vertical coverage is fairly narrow. Perhaps I should try the advice that I gave earlier on in this thread, and see if the vertical coverage can be increased by using a double stack on my Belles and delaying the top AMT-1 to approximate a curved line array, as in case "f" below: Chris
  8. I ordered a garden variety Blu-Ray external drive from Amazon a couple of days ago, and it should be here within a month (Amazon is experiencing delays in non-essential items presently as its logistics system ramps up). I don't use 4K capabilities myself, so my Blu-Ray music ripping needs are very tractable. I'm still enjoying this ability to instantly play all my albums (non-Blu-Ray presently). It's a lot more convenient than plopping discs in trays, etc. Chris
  9. Michael, thanks for the update. Please let us know any information that you can that comes your way. A very serious development, especially considering that Rudy was apparently in perfect health without major cardiopulmonary issues a couple of weeks ago, but likely he'll receive ventilator treatments to aid in recovery while there. If he were presently in NYC or New Orleans, it would be a completely different story. However as it is now in the local area (DFW), I believe that there is still hospital capacity to treat COVID-19. The local population has apparently self-isolated effectively to slow viral transmission rates, thus "flattening the curve". It's apparently difficult for some folks to understand why all the precautions are being taken but there are good reasons for the social and economic disruptions caused by the precautions currently being carried out--with perhaps more to come. Rudy is now our "poster child" for the face of this virus. Instead of harping on with morbid COVID-19 stories, let's keep Rudy entertained with good audio stuff on the forum--don't you think? I think he'll respond better to that. I know I would. It can help to lift the spirits. Prayers to Rudy and his family for a speedy recovery. Chris
  10. ...Sort of a report back on my Oppo BDP-103--enabled ripping of my 93 SACDs (and thanks again, Mark/Delicious2 for the links and encouragement to try it again after years have passed without success in enabling the ripping process using the Oppo). It took me perhaps 4-5 days to rip all 93 SACDs that I own (and still own--I don't sell the original discs) and the process was simple. I started up the Oppo player at the beginning of the day with the thumb drive in the USB slot with the magic enabling file on it, wait for the disc tray to open, then start ripping SACDs one at a time. Put a disc in the player and then launched the Sonore ISO2DSD application on the PC, then punch "execute", then stand back and wait the 20-30 minutes until it's over, then repeat with the next SACD. My wife and I have been listening to these recordings more or less continuously since last week, something I never did before because it's laborious to have to change discs every 40-110 minutes and I soon tire of the process. Now they're on the external HD (I had to upgrade to a 2 TB model over the 1 TB HD that I had for a few years--because the ripped DSD files are so large--about 7 GB per disc). I found that I had to use another shareware application (Tag&Rename) to update the metadata for each DSD album. If I continue using this application after 30 days of use, I'll spring for the shareware fee (about $30) to keep it going. The Tag&Rename application works well with all tracks, and isn't encumbered with malware, etc., like other applications online. I was so impressed by all this (and started listening to the SACDs for the second and third time around off external HD for a change) that decided to complete the ripping of my remaining DVD-As and multichannel DTS discs (about 10 of these that I hadn't ripped until now, joining the dozen or so other multichannel DVD-As and DTS albums that I had ripped years ago. I found a prior version of DVD Audio Extractor (V. 7.6.0) that works on Windows 7, and rips FLAC files directly from the ISO images on the DVD-As, DVD-Vs, and DTS discs. Now I have a 100+ disc multichannel music collection that I now play pretty much continuously. Now I'm looking at Blu-Ray external disc drives from Amazon in order to rip my Blu-Ray music collection. I think this will enlarge my multichannel collection to 200-250 albums, and significantly increase my enjoyment of these albums, too. Chris
  11. You're talking about the bass bins...right? I don't recommend it, because the DIY versions of the bass bins---all of them that I've helped to dial in--all seem to have a problem with their low frequency performance below 100 Hz. Don't use the plans on the forum. It's no fun trying to dial those in. Chris
  12. Perhaps it's good to capture what Cory said in this listing here before it goes away on ebay: Note that items 1 and 2 can be changed via facilitation from a forum participant (...moi...), but I certainly would recommend using the Xilica XP4080 in any case--so the statement that these will only be sold with it is a good one. Passive crossover networks and Jubilees, in my opinion, don't really mix well (unless you're going to do what rigma did, and even then you're still going to have time misalignments). There is just too much sonic performance left on the table to order to try to harken back to the comfort of 20th-century audiophilia and use passive crossover networks on these (my opinion). When you've heard them with stock settings, and then heard them dialed in to the listening room carefully using phase-flattening filtering, the difference can be astounding. These loudspeakers have a very great potential that can be accessed by those willing to take some measurements and email them, then receiving Xilica presets files in return, continuing again until the loudspeakers are dialed in. This process can take no longer than an afternoon if the buyer is willing to do the REW measurements and stand by for the updates via email in succession (usually 3-7 update round robins are necessary for the best results). Item 3...I'm a bit puzzled with, but okay I guess so. I think that Jubilees, like any loudspeaker, can be plugged in with Roy's settings in the Xilica and they will perform well. But if you want world-class performance out of them (which these loudspeakers can produce), then see my comment just above. JMTC. I understand the comment about "nightmare". That's no-kidding a true statement. I agree with items 4 and 5. Best to use four channels of amplifiers all interconnected using balanced connections. These loudspeakers have so much efficiency/sensitivity that RCA connectors will eventually drive a customer with young ears crazy with common mode noise (i.e., 60/120 Hz in North America, 50/100/150 Hz elsewhere). I also strongly agree with item 6. Unless these are packaged in a powered loudspeaker configuration with amplifiers and something to dial them in once they get to the owner's listening room, I think it's wise to talk with Cory first so that he can give the prospective buyer a heads up and also allow Cory the opportunity to assess whether or not the buyer is trying to bite off more than they can chew. There is no way that these are going to be sold, accepted, then returned--without something going wrong. I agree with Cory on item 7. Chris
  13. ??? Something you picked up? If so, I hope everything's okay. Chris
  14. I'd have to take it all apart again, something that I'm a bit reticent to do presently. I was trying to locate the source of the open circuit, but didn't see anything using a VOM and probing carefully. The edges of the diaphragm are very irregular and filled somewhat haphazardly with clear silicone that was drizzled over the edges of the unit to glue down an aluminum tape that surrounds the unit on the edges. I'm actually amazed that it worked at all since the fit was pretty tight and the connecting wire leads so vulnerable. I'd recommend going to a separate terminal mounting strip for the leads on or near the base of the magnet assembly in order to preclude the possibility of yanking one or both of the small leads, sort of like this (without the foam insert on the reverse side):
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