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  1. #1
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    Couple Subwoofer for Dummies questions

    Is it safe to use both inputs from different sources as long as you only use one at a time?

    I have a sub I use for HT and have been playing around trying to integrate it into my 2 CH system.

    How do you dial the sub in so it agrees with anything you play?

    I tried setting it to less bassy music but then I played Primus and it overloads the whole room at same settings. I don't know if I really need a sub with my Fynes but figured I would play around some. If I really liked it, I have an old Paradigm sub I could use. Just seems very hard to dial in. I figured if I can get it right for stereo, then I could rerun the Audessy from the HT so the settings don't need to be changed. Does that work?

    Thanks
    -----------------
    Brian

    Main System -
    Rotel RCD-1572 / Rega P3 > Luxman 505UX Mark II > Fyne Audio F502SPs > Synergistic Cables

    Secondary - OPPO 93 > VAC CLA 1 MKII Pre > Odyssey Stratos > Dynaudio Audience 82s > Tara Labs Cables


  2. #2
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    Re: Couple Subwoofer for Dummies questions

    Hey Brian,

    Are you able to move where the sub is located or is it locked in?

    If is it moveable have you tried the "subwoofer crawl?" The Art of Subwoofer Placement | SVS

    I actually found adding the $300 Antimode to my sub made a huge difference in the smoothness of the sub.
    "We are all billionaires because of the huge piles sweet dough rolling in from our participation in the ongoing campaign to suck your collective brains through a stirrer-straw." - PTA Editorial Staff

  3. #3
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    Re: Couple Subwoofer for Dummies questions

    Quote Originally Posted by Shadowfax View Post
    Is it safe to use both inputs from different sources as long as you only use one at a time?
    Thanks
    Safe , Yes.
    But generally you don't want to "Y" two outputs into one input. It increases distortion.
    So in this case it depends on how the sub-woofer inputs are configured.

  4. #4
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    Re: Couple Subwoofer for Dummies questions

    Quote Originally Posted by Speedskater View Post
    Safe , Yes.
    But generally you don't want to "Y" two outputs into one input. It increases distortion.
    So in this case it depends on how the sub-woofer inputs are configured.
    In this case it would be a single RCA from the HT and the Speaker wire connections for Stereo. It looks like I may need to flip the Filter switch between ST and HT tho.
    -----------------
    Brian

    Main System -
    Rotel RCD-1572 / Rega P3 > Luxman 505UX Mark II > Fyne Audio F502SPs > Synergistic Cables

    Secondary - OPPO 93 > VAC CLA 1 MKII Pre > Odyssey Stratos > Dynaudio Audience 82s > Tara Labs Cables


  5. #5
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    Re: Couple Subwoofer for Dummies questions

    Quote Originally Posted by MichaelsMinute View Post
    Hey Brian,

    Are you able to move where the sub is located or is it locked in?

    If is it moveable have you tried the "subwoofer crawl?" The Art of Subwoofer Placement | SVS

    I actually found adding the $300 Antimode to my sub made a huge difference in the smoothness of the sub.
    I am pretty much locked in for placement but I know about the crawl. I will review the rest of that link, thanks.
    -----------------
    Brian

    Main System -
    Rotel RCD-1572 / Rega P3 > Luxman 505UX Mark II > Fyne Audio F502SPs > Synergistic Cables

    Secondary - OPPO 93 > VAC CLA 1 MKII Pre > Odyssey Stratos > Dynaudio Audience 82s > Tara Labs Cables


  6. #6
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    Re: Couple Subwoofer for Dummies questions

    Quote Originally Posted by Shadowfax View Post

    I tried setting it to less bassy music but then I played Primus and it overloads the whole room at same settings.

    Thanks
    Ahh, thatís the problem. Primus. Makes the children cry and the dogs howl.
    Tom

    Audio:
    Amati Futura Mains
    Amati Homage VOX Center,
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    Three MC2301's for L,C,R
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    C 1100, MX 151, MCD 1100, MR 77
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  7. #7
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    Re: Couple Subwoofer for Dummies questions

    Quote Originally Posted by W9TR View Post
    Ahh, thatís the problem. Primus. Makes the children cry and the dogs howl.
    Yes, but I am a Bass Head
    -----------------
    Brian

    Main System -
    Rotel RCD-1572 / Rega P3 > Luxman 505UX Mark II > Fyne Audio F502SPs > Synergistic Cables

    Secondary - OPPO 93 > VAC CLA 1 MKII Pre > Odyssey Stratos > Dynaudio Audience 82s > Tara Labs Cables


  8. #8
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    Re: Couple Subwoofer for Dummies questions

    Quote Originally Posted by Shadowfax View Post
    I am pretty much locked in for placement but I know about the crawl. I will review the rest of that link, thanks.
    The Antimode will make a big difference in flattening out the response of the sub which will help with integration.

    I had a tough time integrating my SVS with the La Scala's as the woofer on them is horn loaded. Mike suggested the Antimode and I ordered one. I did a video on it as I was so pleased with it. I was honestly quite surprised how easy it was to use and how well it worked.
    "We are all billionaires because of the huge piles sweet dough rolling in from our participation in the ongoing campaign to suck your collective brains through a stirrer-straw." - PTA Editorial Staff

  9. #9
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    Re: Couple Subwoofer for Dummies questions

    Quote Originally Posted by Shadowfax View Post
    Yes, but I am a Bass Head

    Is your 2-channel system integrated with your HT? Or is it separate?
    Tom

    Audio:
    Amati Futura Mains
    Amati Homage VOX Center,
    Proac Response 1sc Rears,
    Three MC2301's for L,C,R
    MC 602 for the rears
    C 1100, MX 151, MCD 1100, MR 77
    Nottingham Dais with Sumiko Palo Santos Presentation
    SurfacePro 3, JRiver, WW Starlight Platinum USB, Schiit Yggdrasil, Benchmark DAC3 HGC

    Video:
    MX 151, OppO BDP-95, JVC RS-500 DILA projector, 106" diagonal Stewart Luxus Screenwall Deluxe with Studiotek 130 G3 material.

    Lake House:
    Ohm F, MC 275V, C2300, MR 80, Rega P3

    OnDeck:
    McIntosh MAC 4300v

  10. #10
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    Re: Couple Subwoofer for Dummies questions

    Quote Originally Posted by Shadowfax View Post
    Yes, but I am a Bass Head
    If I had my way I'd have 4 subs instead of one.
    "We are all billionaires because of the huge piles sweet dough rolling in from our participation in the ongoing campaign to suck your collective brains through a stirrer-straw." - PTA Editorial Staff

  11. #11
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    Re: Couple Subwoofer for Dummies questions

    Quote Originally Posted by MichaelsMinute View Post
    The Antimode will make a big difference in flattening out the response of the sub which will help with integration.
    I've used the Dual Core 2.0 on and off since about 2014. Very easy to use and gets the job done. The wall wart power supply is noticeably veiled /opaque in a really good set-up if you're using this full-range and you care. I bought a linear power supply to replace it. Obvious improvement. The postage stamp sized screen is a little hard to see and low in resolution, but you probably won't mind unless you're obsessive like me. If you use REW, you'll have a greater appreciation for what it does...or just listen carefully.

  12. #12
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    Re: Couple Subwoofer for Dummies questions

    Quote Originally Posted by W9TR View Post

    Is your 2-channel system integrated with your HT? Or is it separate?
    Yes, I use the HT Bypass on my Lux to drive the Fynes, center, rears ans sub driven by the UIntegra
    -----------------
    Brian

    Main System -
    Rotel RCD-1572 / Rega P3 > Luxman 505UX Mark II > Fyne Audio F502SPs > Synergistic Cables

    Secondary - OPPO 93 > VAC CLA 1 MKII Pre > Odyssey Stratos > Dynaudio Audience 82s > Tara Labs Cables


  13. #13

    Re: Couple Subwoofer for Dummies questions

    Quote Originally Posted by Shadowfax View Post
    Is it safe to use both inputs from different sources as long as you only use one at a time?

    I have a sub I use for HT and have been playing around trying to integrate it into my 2 CH system.

    How do you dial the sub in so it agrees with anything you play?

    I tried setting it to less bassy music but then I played Primus and it overloads the whole room at same settings. I don't know if I really need a sub with my Fynes but figured I would play around some. If I really liked it, I have an old Paradigm sub I could use. Just seems very hard to dial in. I figured if I can get it right for stereo, then I could rerun the Audessy from the HT so the settings don't need to be changed. Does that work?

    Thanks
    Many HT preamps have adjustable output volume for each speaker. If yours allow for that, then without making changes to the sub itself, you can set the subwoofer volume in the HT preamp so that it plays lower or higher when playing movies only.

  14. #14
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    Re: Couple Subwoofer for Dummies questions

    Quote Originally Posted by Barry View Post
    I've used one of these on and off since about 2014. Very easy to use and gets the job done. The wall wart power supply is noticeably veiled /opaque in a really good set-up if you're using this full-range and you care. I bought a linear power supply to replace it. Obvious improvement. The postage stamp sized screen is a little hard to see and low in resolution, but you probably won't mind unless you're obsessive like me. If you use REW, you'll have a greater appreciation for what it does...or just listen carefully.
    I use the one that does the sub only. I wouldn't put one on my main speakers.
    "We are all billionaires because of the huge piles sweet dough rolling in from our participation in the ongoing campaign to suck your collective brains through a stirrer-straw." - PTA Editorial Staff

  15. #15
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    Re: Couple Subwoofer for Dummies questions

    Quote Originally Posted by MichaelsMinute View Post
    I use the one that does the sub only. I wouldn't put one on my main speakers.
    I wouldn't either. Only use the Dual Core 2.0 on subs after my XO. Most recently, it's often bypassed, so it's only used for a volume control. My room modes actually aren't all that audible.

  16. #16
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    Re: Couple Subwoofer for Dummies questions

    Quote Originally Posted by Shadowfax View Post
    Yes, I use the HT Bypass on my Lux to drive the Fynes, center, rears ans sub driven by the UIntegra
    This is similar to my setup. One popular approach is to connect the sub to the main speaker outs and run your mains full range. This assumes that your main loudspeakers have flat response down to some bass frequency, and gradually roll off below that. It makes sense to use the natural bass rolloff of your mains as the high pass portion of the system and the built in filters in the sub to handle the low pass duties. It works mostly but takes a lot of tweaking to get right. I use REW and 1/3 octave pink noise to initially set the sub controls. Then I listen to music that has upright acoustic bass to finish tuning the sub. Rob Wasserman and Rebecca Pidgeon come to mind.

    Digital crossovers as described do work so thatís an option if the simple method didnít do it for you.

    Then there is the HT setup. You will want to run your mains with a moderately low crossover, say 40 Hz, and then run LFE and the 40 Hz and lower stuff through the sub only. You do NOT want to run LFE through your mains.

    In this way you can use both without adjustment or fiddling.

    If you have to fiddle to get it to sound right with different types of music it is not set up correctly.
    Tom

    Audio:
    Amati Futura Mains
    Amati Homage VOX Center,
    Proac Response 1sc Rears,
    Three MC2301's for L,C,R
    MC 602 for the rears
    C 1100, MX 151, MCD 1100, MR 77
    Nottingham Dais with Sumiko Palo Santos Presentation
    SurfacePro 3, JRiver, WW Starlight Platinum USB, Schiit Yggdrasil, Benchmark DAC3 HGC

    Video:
    MX 151, OppO BDP-95, JVC RS-500 DILA projector, 106" diagonal Stewart Luxus Screenwall Deluxe with Studiotek 130 G3 material.

    Lake House:
    Ohm F, MC 275V, C2300, MR 80, Rega P3

    OnDeck:
    McIntosh MAC 4300v

  17. #17
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    Re: Couple Subwoofer for Dummies questions

    My $.02

    IMO HT sub integration is different than Stereo integration. For example - in HT I believe you can get by with only one sub fairly well. In a stereo you need 2 or more subs or you need zero - Never just one done in mono.

    Primus is a good test. It's extremely hard to get a system to articulate the bass - most of the time it is muddy.

    From what you describe you probably have the crossover frequency to high more than the bass up to loud.
    Jock

    If you have integrity, nothing else matters. If you don't have integrity, nothing else matters.

    ---------

    House: Naim ND555/2PS, Naim 552, Naim 500, Studer A80/Doshi V3, Magico M2s, 2 Magico Q-Sub 15s, Lumina IC/SC, Shunyata Everest and Omega PCs.

    Workshop: Naim ND555/2 PS, VAC Master Pre, VAC Sig 200iQ, Border Patrol pre/power, Avant Garde Duo Mezzo XD, 2 Magico Q-Sub 15s, Shunyata IC/SC, Shunyata Typhon QR/Triton V3/Sigma PCs.

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Couple Subwoofer for Dummies questions

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