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About No.4

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  1. @Rudy81 yes I have gotten that far. I was going through trying to decipher what adjustments i need to make to my delay time. I did re run sweeps and adjust PEQs though now that I have the drivers at an angle. The phase and spectrogram look better to my eyes now with adjust PEQs. The sound is great to my ears as it is, I’m just curious how much better it could be. The ability to fine tune any speakers using these tools is really impressive. I am just pushing through the learning curve.
  2. No. That is a component of REW I have not played with very much.
  3. Well, I have some homework to do. My frequency response is pretty flat throughout the audible range, but my phase looks like a tightly wound spring!
  4. I was seated right around the middle point of the two heils. Maybe a little lower. The difference now is night and day. My Bass bins are pushed into the corner though, so the back wave of the heils is firing pretty close to wall. I think yours are set up further from the wall so you may be getting more of the dipole effect, not sure. I even tried removing my wall treatments behind the heils, but it did not improve the sound. Quite the opposite.
  5. I have been crossing at 400hz since I have started this project. So far so good. I don’t listen at very high SPL usually though, and my room is small. I have been experimenting with toe and the angle of the stacks. I raised the back feet of the stack/wings one inch so the stacks are angled towards the listing position. This made a huge difference in the vocal range and really focused the imaging. I reported a few pages back that the sound was more “live” while standing at the listening position. This angle has brought that “live” feel to the seated position. There is now no difference between the standing and seated position and the soundstage begins at a lower point in front of me. I am going to try a few more stack angles and toe adjustments to see if there are any further gains to be had, but I think I am close I did run a few sweeps and adjusted a few PEQs before I did all of the new changes. The output of the heils has changed a little as they continue break in. The sound quality I am getting From this setup at this point is nothing short of incredible. I have been considering building a pair of cornscalas for our living room to put my previous horns, compression drivers and ALK networks to good use. Now I don’t know....
  6. Yes, like this exactly. I always really liked those grilles.
  7. @Ray_pierrewit The contrast of the silver/grey fabric and the black scalas looks great! Have you though about making some belle style grills for the bass horn to match?
  8. @hallcon83 When both of the sides of the horns are glued together the top and bottom can be built. Basically the heil and both sides are put together on top of a piece of plywood and the shape of the top is traced out. The shape was then cut out with a jigsaw leaving some material towards the edges. Then the top and bottom was screwed to the sides ensuring everything was square. The screws will allow the tops and bottom to be removed from the sides until final glueing. Once all put together I ran the tops and bottom through the router using a flush cut bit. I used the the vertical sides as the guide to run the bearing along. This produced a good edge, but still required some sanding and filling. The point where the sides come together did still have some round over due to the router bit. I just used a file to get points sharp. There is some bonds and filler underneath to get a good surface for the veneer. Hopefully that helps. I found the photo below as I was routing the tops. You can see a little better how rough the edges were before final sanding and filling.
  9. @hallcon83 Thank you, and welcome. All of the vertical parts were cut with a table saw. There was some trial and error with the angles. I used small scrap pieces to help get the angles right. The jig is used to test fit the pieces and aid in glueing. You can see how the jig is used for alignment below. then the parts could be glued and clamped.
  10. Weller WES51. Worth every penny.
  11. No.4

    Covid19 redux

    Reminds me of Drunken fireworks by Stephen king. That audiobook is hilarious.
  12. Next. Should have checked here before dinner and cocktail hour!!
  13. Absolutely! It’s amazing how much I actually get done around here when I am almost always home. I am allready done with a summers worth of chores! I do get about the same amount of listening time though sadly. For example, I downloaded new firmware for my Parks puffin on Friday, loaded it to my puffin yesterday, and am finally listening tonight. The scarcity makes each session special right? Or maybe the double stack heils do.....
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