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tom1066

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  1. I found this thread at one point in researching mods - lot of info on the cobraflex for la scalas? I found a pair online and they are still sitting in my basement unused. Maybe I should pull them out.
  2. I was in a very similar situation a while back, even using the oppo 203 like you have been. Eventually went with a Mcintosh d100 I found used. Since it has a pre-amp in it, I guess it all stays digital. I even removed my rebuilt marantz 7 tube pre-amp from the line-up. The mac has balanced outputs as well. I thought about the Brooklyn products for a while and am still thinking about trying one; they seem to do everything. The Mac doesn't have phono though. I have had about 10 DACs, and I eventually narrowed it down to a couple and thought the Mac was better than the others. And even then I'm not sure I heard much difference it just seemed more neutral? maybe not quite as bright; though I hate those terms they seem to fit. Not sure if the d100 fits all your requirements but I like mine. The newer d150 may be even better. And its the only mcintosh product I have in my current system so I'm not a fanboy of theirs or anything (I find most of it too expensive).
  3. Thanks, I am going to go through this a couple of times to see how much I understand. On some random search, I ran across one that had a waveguide on both sides. Not sure what that would improve. I have enjoyed following along and have been trying to stop myself from ordering another pair. A previous AMT thread on this site led me to buying one pair last year and I've enjoyed them on top of my Cornwalls from time to time.
  4. I know it's been mentioned a couple of times, but how would a waveguide achieve a better (or worse) response. I guess I'm asking what would a waveguide improve? I found an old beyma waveguide for an amt like product and some diy ones, like the one below. Would it improve off axis listening? Or help with the crossover? Just wondering how much effort it's worth over a "straight wing" design.
  5. I have always wanted to hear a pair of any Oris horns. Where in north Texas are you? And pm me the price as well. One more question - originally how long did it take originally from ordering them to receive them?
  6. I'll take them, but I may not be able to pick them up for a while. I pm'd you. Thanks!
  7. I don't know if this is exactly the same thing but check out this 11 year old thread about building the MWM bass bins: Having the corners cut off allows for more back chamber volume. As for the slot opening here is another old thread: "In my view, the restriction slot is there to form a chamber in front of the diaphragm. Classic theory is that it is possible to bump up the response at, here, 400 Hz, if you have a chamber in front of the diaphragm. The front chamber volume "spring" forms a resonance with the mass of the diaphragm" ; Not saying I understand it - here is another post from that same thread:
  8. Would the super pies work well with 402s for a two way system? These (meaning the pies) look like something I might could pull off.
  9. I 100% agree with you and I am certainly not being argumentative. I am not an expert or fanatic on these things or pretty much anything for that matter. Some people want the good-alls in and some want them out - I would say if they are replaced, just keep them. If for some insane reason you decide to sell the amp, some of the people/collectors that value the original stuff would want them and may pay more for having them. Heck if you are going to replace them just use these, the "super" capacitors that some of the Japanese restorers swear by. https://www.partsconnexion.com/arizona-film-capacitors.html Again I do not have an opinion on them and I do not condone, endorse, or swear by them. I have read some info and read about others that have used them and their enjoyment of them, but I have not heard any amps with them. And probably with my hearing loss, I doubt I could tell a difference if there is in fact a difference. Fortunately I do not have golden ears because it would mean this hobby could possibly become even more expensive.
  10. I have an 8 (not the b) that I run with Cornwalls. It is a fantastic sounding amplifier to my ears. After having it a while I put in quad of Mullard El34s and the sound improved over the tubes that came with it. I got a ton of information about the marantz 8 at AK. Here is a link about newer tubes that work well in the 8 or 8b: https://audiokarma.org/forums/index.php?threads/best-new-el34s-for-8b.880974/#post-13010239 There is a member there, crooner, who restores vintage marantz tube units. He had some recs about what to replace, what to leave, etc; I guess in an effort to not change the overall sound. Not that his suggestions were the only ones I read about or were recommended but he did a restoration of a marantz 7 tube pre-amp that was really well thought out and planned, so I felt comfortable with his recs. Here is that thread link - https://audiokarma.org/forums/index.php?threads/ultimate-marantz-model-7-restoration-thread.727823/ I know that just for starters, as mentioned above, he recommended replacing the bias supply power caps (he actually said the old top hat diodes are fine and to leave them) and the cathode resistors. He is a big fan of leaving the Good-All caps in place as well. He also recommended using EF90 tubes as a replacement for the 6BH6, they have the mesh plate and are made in Holland. Congrats on obtaining a great amplifer, I'm sure you will love it. Tom
  11. Dave - Where do you find the 25 mm BB in Nashville? From one of the big national stores or a local place? My cursory attempts to find it here in Birmingham have been unsuccessful but I keep looking around. Thanks, can't wait to see this project, esp the crossover, dsp, etc. Tom
  12. Take a look at this one on Digi-key - part number 493-14392-ND https://www.digikey.com/product-detail/en/nichicon/LLS1K103MELC/493-14392-ND/2548907
  13. Every picture I see of the back of the R-115sw shows two line ins - one for left and one for right; I couldn't open the listing for your item, so I couldn't check it. But it seems you should just be able to do the y connector at the C2 - and then follow the diagram below, replacing the sunfire sub for yours. I have done this before and it seems to work. There are also wireless options - dayton audio - https://www.parts-express.com/dayton-audio-sub-link-xr-24-ghz-wireless-audio-transmitter-receiver-system-for-subwoofers--300-580
  14. I have been looking for a while now at outdoor projectors but have zero experience with them. Which one did you choose over this?
  15. I have a 4th and a 6th grader right now - the homework load is hit or miss. Some weeks there is a lot other times there isn't. But that does seem about right for being gone a couple of weeks. It is interesting - some of the elementary schools in our same system have a "no homework policy" but others don't. Though the no homework kids I hear get a bit of a jolt when they get to the upper schools. I'm more impressed your fifth grader went to Barcelona for a tryout of sorts. Congrats - he must be quite the player. My boys play soccer but we are not in any danger of traveling over state lines much less out of the country for tournaments/tryouts, etc. What position does he play? Sorry for the questions but that is just really interesting to me.
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