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  1. R

    Two Subs with different Settings

    I think Toole was talking about equaling speakers above the transition, because equaling above 200-250Hz changes the character of the speaker. I always run my speakers flat above 300Hz. Subwoofers really see anything above 80Hz, and the room is the hardest part to get right.
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    Adding a third sub to cancel "Deep Mid-Bass Null"

    I have to get REW working
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    Adding a third sub to cancel "Deep Mid-Bass Null"

    I'm having a problem with the REW I don't know if it is the Laptop or the speaker. I tried 3 different ways to measure speaker number one with REW; I load 2 different ASIO's Asio4All, FlexAsio and Java; Asio4All didn't work at all, FlexAsio gave me "Too Low" no matter how many dbs I added. Jave...
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    Adding a third sub to cancel "Deep Mid-Bass Null"

    I'll try it. Thank you
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    Adding a third sub to cancel "Deep Mid-Bass Null"

    I do have an extra DAC, but I don't understand your configuration. The subs are powered by the Anthem MRX 1140 it was two outputs, but they are not stereo.
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    Adding a third sub to cancel "Deep Mid-Bass Null"

    I really appreciate all the help, everyone has offered to correct the problem and taking the time to respond to my post.... Thank You :)
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    Adding a third sub to cancel "Deep Mid-Bass Null"

    The ceiling isn't flat all the way across; there is a duct chase that runs the length of the ceiling on the left side. The chase is 12" high X 24" deep, see attached. Could this be my problem, since Room Mode calculators cannot account for the chase?
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    Adding a third sub to cancel "Deep Mid-Bass Null"

    The subs are on the floor and bringing up the ceiling, I have to say that the ceiling isn't flat all the way across; there is a duct chase that runs the length of the ceiling on the left side. The chase is 12" high X 24" deep, see attached. Could this be my problem, since Room Mode calculators...
  9. R

    Adding a third sub to cancel "Deep Mid-Bass Null"

    At 70hz/16.075' how does that become a Null, shouldn't 110hz/10.23' be more of a problem ?:confused:
  10. R

    Adding a third sub to cancel "Deep Mid-Bass Null"

    That isn't good news. This is the results I got when I move the sub from the front right to the right back. When both were placed in the front, I got the 70hz null. The only other place might be somewhere along the mid-wall, left. With a rectangle room 20' X 13' I don't understand why the...
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    Adding a third sub to cancel "Deep Mid-Bass Null"

    I wish I could move the main speakers. The left side has pocket doors, which puts that speaker in the center of the right door. The right side is the bathroom door, right behind me is a window and in the middle of the right wall are the patio doors. This screenshot is after Arc Genesis...
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    Adding a third sub to cancel "Deep Mid-Bass Null"

    Here Is a screenshot of REW Room Sim with room dimensions.
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    Adding a third sub to cancel "Deep Mid-Bass Null"

    It's my understanding that a "Null" cannot be corrected with "EQ". So far I've tried ARC Genesis, SVS's sub EQ, and moving the speakers around for hours. I checked REW room sim, and it shows that the only place that corrects the "Null" is if I place the 3rd sub in the center of the room. I'm not...
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    Adding a third sub to cancel "Deep Mid-Bass Null"

    Good stuff ... Thank you :)
  15. R

    Adding a third sub to cancel "Deep Mid-Bass Null"

    If I can't resolve the null by any other means and I have to get another sub since the SB4000 has a full-featured amp at 1200 watt continuous and a peak of (I think) 4000 watts, what would I need to cover the SB4000. My listening average's about 80dbs my DR, may reach 100–105dbs at extreme...
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    Adding a third sub to cancel "Deep Mid-Bass Null"

    I have 10db of correction from the SVS DSP and I have a 20db problem. The more dbs I add from Anthem, (SPL) the sloppier the bass gets. I tried moving the subs all around the room and in the places it gets a little better are not available; doors and patio. I read that adding a sub would help...
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    Adding a third sub to cancel "Deep Mid-Bass Null"

    Hello; I have a problem with deep mid-bass cancellation null. (see attached) I tried moving/pointing the 2 subs around the room along with moving the mic position; sometimes I would get a little change, but the sub was in an impossible position like in front of a door. I posted this problem...
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    Sound Mode: Off, Valve or Transistor

    Thank you for your thoughtful response. But, I didn't get the Topping D70 Sabre for its gimmicks or ability to change the music in any way, I just ran across the Sound Mode setting and was curious. I got it because of the reviews I read here and elsewhere about the unit's ability to present the...
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    Sound Mode: Off, Valve or Transistor

    I think I posted this in the wrong section, I should've searched and posted it in the review where there seems to be a lot of posts and opinions like the link attached, and one response copied below. There are two pages of posts and replies with all kinds opinions now I'm totally lost. I'll just...
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    Sound Mode: Off, Valve or Transistor

    What's the point of having valve or transistor mode if you can't hear them?
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