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In Reply to: RE: Maggie's room vs other dipole posted by timm on April 02, 2017 at 12:12:17
Generally the idea is that you first see how the central image holds as you pull the speakers farther away from each other. The farther out from the speakers you sit the farther the tweeters can be. In a 17' room the speakers and a minimal gap to the wall fill up nearly 6 feet, leaving you about 11 feet to play with, which in the common 10-13 ft listening distance comes out to you normally not having a limit on how far apart the speakers can go.
The next issue is how you like your soundstage presentation - wide vs deep - and thus the listening angle. The standard stereo placement is a 60deg listening angle on an equilateral triangle. I prefer getting a closer up presentation with a wider angle to favor a front of the hall perspective.
Follow Ups:
So - I know this is just me - getting anxious.... but I have an empty room and so what I did was put the couch in the seating spot .... and have my spots marked for the speakers etc.... and here is where I am at....
Room: 17x30 with a pesky pole.... pole located about 4" on the inside of one Maggie in the null zone.
Speaker placement - 10' from front wall... 18" from side walls.... 10' of space - inside to inside of speaker... tweeters in.
Rack: I'm thinking in between speakers in null zone as well.... just don't know if I can get speaker cable that long... or I should say 'pay for' speaker cable to put it to the side wall.... I'd probably need 15'.
My head: seated at the 21' mark of the room with 9' behind my head..... 11' from speaker plane.
I have a bit of flexibility.... but this will be the initial plopping down spot.... For the first time in my life - I have a rectangular room with speakers equidistant from walls etc...
It will be interesting....
Try this with your Logans.
1st place a chair at the back wall about so you are listening at about 2 ft from the wall, centered on the axis between the speakers. Leave the Couch where it is.
Then pull the speakers along the sidewalls forwards by small increments, away from the front wall. Keep the distance to the sidewalls constant. If at some point the soundstage "clicks together" mark that spot and continue with this till you hit the halfway mark or the enhanced soundstage effect breaks down. There is usually at least one narrow region where it works and if you are lucky you might find a second one with a somewhat different tonal balance.
Place the speakers back at the spot you marked where the soundstage was best, and start working out the tonal balance with the speaker controls and by wall loading of the bass; moving the speakers towards and away from the sidewalls.
Then work out the degree of toe in. Logans usually require some toe in while maggies often don't need any at all.
See how that compares with your current setup.
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