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Rudy81

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  1. Correct. Many of the pre/pro offerings use the same signal path for balanced and unbalanced connections. The balanced connectors are not independent from input to output. Some systems, like the Emotiva, NAD and others do have a true balanced stage.
  2. Nice unit, but a bit on the expensive side.....I guess you get what you pay for.
  3. Please report back on your findings. That preamp is on the list.
  4. The Marantz is on the list. Seems like a nice receiver. I would like, for a change, to use some of the newer room correction technology like Dirac or ARC from Anthem.
  5. Certainly lots of options. I split my listening/watching time at about 50/50. I love a great movie with superb sound and sound effects. I also with to maximize my 2-ch listening enjoyment. Like most, I use the same mains for both operations. HT technology has really changed since I last researched all this. I see very good reviews for the Athem AVM-60 and it's simplicity is a plus, but does not have truly balanced outputs like the Emotivas that have just been released. My problem with the Emotiva offerings is that they seem to be buggy at this stage of development based on the comments in the forums and reviews. I don't really want to spend a bunch of money and then spend time frustrated with the hardware/software interaction.
  6. It seems my Integra DHC 9.9 is on its last legs. I suspect the video board is going out. That unit worked very well for many years and I hate to part with it. Time to look into something new and I have not kept up with the latest HT offerings in term of a pre/pro. I am wondering if you guys have any recommendations for a suitable replacement. Requirements are: 1) Must have extremely good 2-ch performance. I will be using all XLR balanced connections, so prefer a 'true' balanced setup. At least for the mains. 2) 7.1 channel minimum. I realize everyone has gone crazy with the number of channels, but i will only need 7.1 3) Needs to have a good room EQ system such as Audyssey, Dirac, ARC, etc. I have always used Audyssey Pro, but know that there are better options out there. 4) User level firmware upgrade-ability that is actually supported by the manufacturer. 5) Price range not to go above $5k. I have just gotten into looking am have looked at: Emotiva offeings, RC-1 and XMC-2. Very appealing, but have been reading of major problems with system interface and availability of Dirac is questionable. Anthem AV 60. Seems to be well thought of, but not sure about 2-ch performance. Integra DHC-60.7, very similar to what I have. Any help is appreciated, particularly if you have hands on experience with a unit.
  7. IIRC, the room is 24' wide and 27' long. Ceiling height is 9' and a few inches.
  8. It occurred to me that rather than using a RasPi to set up my headless music source, I can use Volumio on my current HTPC and convert it to the Volumio UI and go from there. I actually was able to load Volumio onto a HDD and boot the old HTPC into Volumio. Sadly I have a steep learning curve. I don't even know how to navigate back and forth from the chrome browser within Volumio back to the music inerface. Current method is to reboot.....Lol. Just got started on this, but it should work. I wish I know more about Linux so I could actually do things.
  9. It has been a while since I updated this post. I liked the sound from the reflection point polys so much, that I wanted to build some for the back wall. However, they are oriented ninety degrees to those on the reflection points. Pics to follow. The back wall build took a while, so have not posted much while that was in progress. Last night I had an opportunity to do some real listening to the room changes and to take some Audyssey measurements. The sound in the room is a definite uptick from what it was. The soundstage is wider and simply more realistic. Imagining is spot on. It was pretty good before, but this is on another level. Walking around the room while bass is playing definitely shows that the poly's do absorb bass and prevent some of the nasty room modes. Not all modes however, as some of the lower frequencies do still exhibit room mode interaction. At this point, not much I can do about that. I have looked at the Acoustic Fields carbon absorber units, but the price is prohibitive for treating the lowest of frequencies. Not to mention those units take up a lot of room, and as crazy as it sounds, I am running out of room in the HT. A close look at the Audyssey Pro measurements I took last night do show that the bass frequencies exhibit a flatter response in the room vs. before the polys were added. So far, this project has been very worthwhile and relatively inexpensive on a DIY basis. When I get a chance, I will post pics of the finished product.
  10. Looks like the best way to do what I want is as follows. Set up one RPi as a NAS connected to my music collection hard drives. Then use another RPi with a HiFi Raspberry HAT connected to my Integra receiver in my HT for my 2-channel music which accesses the NAS. I can then add another RPi to my Den receiver which is connected to the housewide audio system, also accessing the NAS. That should give me Gigabit LAN accessible music housewide in high quality....I think. Any other high quality HAT's for audio?
  11. Thanks for the leads. I'll have to research the currently available options. I really only need 2-ch outputs. For any multi-channel sources I use my Oppo Blu Ray. I will check out the Bluesound Node 2i.
  12. I am very interested in something like this for my flac music collection. Currently using a HTPC, which has Windows 10. I would love to be able to go to a high quality system that does not have all the windows 10 overhead. The HTPC is connected via HDMI to my Integra pre/pro. With this Raspberry Pi system, would I need a DAC, or would it work connected to the pre/pro? What are the best connections available from the Pi to a pre/pro? New to this idea so could use some tutoring.
  13. I have not explored how to 'tune' the membrane at all and although I'm sure it would be possible to figure that out, I'm not looking at that right now. The curved surface is also flexible to some extent when you put pressure on it since it is bendable plywood and it is very pliable. The recess is 3/4" which is the 18mm plywood frame. I cam up with this since the back of the frame rests against the wall surface. I figured the MLV needs room to 'breathe' as the LF pressure strikes the MLV surface. The LF will transfer across the curved surface, so that is how it gains access to the MLV membrane. Units are mounted with french cleats flush with the wall. In actuality, I didn't need to create the MLV mounting frame since the french cleat by itself creates a 3/4" space behind the frame. So now, the MLV membrane is about 1.5" from the wall surface.
  14. Generally speaking, most rooms have the biggest problems with bass and it is the hardest to tame. I am talking about bass below 300hz or so. My goal with this build was twofold. First to tame some of the bass room modes and second, to improve the room 'sound' by not just absorbing the HF frequencies. I'm still in the early stages of listening to the new room, but it seems very promising.
  15. I don't believe the skyline diffusers will do anything for bass frequencies. AFAIK, they are strictly HF diffusers.
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