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post #2761 of 2783 Old 04-15-2017, 03:14 PM
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New feet

I have my single Buttkicker mini-LFE mounted on my sofa. Attaches had ordered some feet from Parts-Express, which I intended to put on chair or subwoofer. But those plans did not come to fruition. So I had 8 leftover rubber feet.

Looked at the sofa and saw the 8 feet there were cheap hard plastic. I know that those cheap plastic feet were letting the sofa slide easily on the tile floor.

Sofa sliding easily is probably not ideal for the Buttkicker (which is mounted on the sofa).

So I swapped out the original cheap plastic feet for the inexpensive rubber feet from Parts-Express. And the sofa doesn't slide at all.

AND the tactile sensation has increased!

One way I can tell is that I'm getting bottoming out from the mini-LFE at lower volumes. Like during the server scene from Pulse Unrated.

When I get and install my second Buttkicker mini-LFE, then I ought to be able to get more tactile sensation with less gain and without bottoming out.
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post #2762 of 2783 Old 04-15-2017, 10:56 PM
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Back off if you are bottoming out.
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post #2763 of 2783 Old 04-18-2017, 12:11 PM
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Getting a second Buttkicker mini-LFE to add to my sofa.

Got one yesterday from Parts-Express. But it arrived DOA. I know this because I swapped it out for a working one. Easy to copy the wiring that way.

I contacted Parts-Express, and they said for me to ship my unit back to them (they were going to email me a mailing label), they would test it, and if it was broken then they would ship me a replacement. I'm thinking weeks.

I had already been talking with The Guitammer Company (the manufacturer) about Buttkicker questions in general, and I mentioned to them about the DOA unit. They said that they handle warranty work, and that they would UPS me a replacement unit, and when I got it, I could use the included shipping label to send it back. Wow, that was easy and painless.

When I asked the Guitammer Company about my mini-LFE bottoming out during several well-known deep bass movie scenes they said:
Quote:
Adding a second unit should completely solve the bottom out issue. You're moving a lot of mass with a single unit and on the very deep bass we're simply reach what it's capable of doing. The 75 watt rating of the APA150 is RMS, at the level it's being driven it is most likely in some clipping and reaching closer to peak wattage (unfortunately that spec isn't published).
ps - I am very happy with my Buttkicker mini-LFE, and I look forward to adding a second unit to my sofa. My son was so impressed with mine that he has bought his own mini-LFE and Dayton Audio APA150 amp. His installation will be more difficult because it will be to the bottom of a rocker/recliner chair (not much room under there). I still think that all home-theater enthusiasts need to add Buttkickers as they let you feel the missing 4th dimension, without blowing out your ears or your wallet.

----
General suggestions for The Guitammer Company
  • Since all your wiring diagrams show positive and negative connections and wires, have the wires on your units labeled as positive (or +) and negative (or -). Or include a piece of paper in the box that says the black lead wire is negative, and the white lead wire is positive. Or change your wiring diagrams to show the black and white wire leads.
  • Include two twist-on wire connectors for connecting wires (from the amplifier) to the unit's black and white lead wires.

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post #2764 of 2783 Old 04-22-2017, 04:39 AM
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Yes but if you are bottoming out, then do what derrickdj1 suggested. I have a Buttkicker advance and a Buttkicker LFE, and experienced some bottoming out when I first started using them. I just turned down the gain/volume, and no more bottoming out, while still getting great tactile feel. Good Luck.
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post #2765 of 2783 Old 04-22-2017, 05:53 PM
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Added second mini-LFE to sofa

I added a second mini-LFE to my sofa.

So far I am getting more quality shaking (than when I had only one). Haven't really tested it yet to see if I am bottoming out still, but of course if I am getting some, I'll turn down the amp volume. The Guitammer Company told me that bottoming out is the piston reaching its maximum excursion, and that it shouldn't be hurting anything. But still I don't want it.

Here is a photo showing a single installation and a double installation.
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post #2766 of 2783 Old 04-23-2017, 04:56 PM
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My son bought a refurbished Dayton Audio APA150 and a new Buttkicker mini-LFE from Parts-Express. Less than $200.

The chair had no obvious place to attach the Buttkicker. In order to get any shaking, have to attach it to the seat's wood frame. The frame can be seen in the first photo. But one problem was that the seat itself, when sat in, extended lower than the bottom of the frame. The part of the seat that extended the least below the frame was the very back of the seat (seen in the photo on the right, where the springs attach). But still any mounting board there that crosses from side to side, would be hit by the bottom of the seat. So had to add strips of wood to the frame to offset it. And then put the mounting board on top of the offset strips. Of course this still presented a problem - those black brackets are right there, in the way.

My handy-dandy neighbor (who did all the work) built a combination offset strips and mounting board. And he shaved off a 16th of an inch off of some of the mounting strips where they were to sit on top of the black brackets. Second photo shows the board. (but when I uploaded the photo it got turned 90 degrees to the left. And it is shown upside down to show the mounting strips.).

Dry fit the mounting board. Whacked with a hammer to make indent impressions of where the mounting bracket screw heads were. Predrilled holes there. Removed the black bracket screws. Put awls into the mounting board predrilled holes, through the attached offset strip, through the black bracket, into the seat frame, in order to hold things in the needed alignment. Attached mounting board to seat frame with 3 inch long screws.

Attached the Buttkicker mini-LFE to the mounting board. Third photo.

Turned it on. Not much shaking. Looked at the avr's subwoofer gain. It was set to - 5. Turned it up to +6.5.

Now he is getting some shaking!
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post #2767 of 2783 Old 04-24-2017, 11:27 AM
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This weekend I attached a second Buttkicker mini-LFE to my sofa. Having the correct tools would have been so much faster. Anyway we watched San Andreas last night. We'd seen it before a couple of times. But this time it was a lot more fun! The second mini-LFE really added some extra shaking. This time I was cheering for more earthquakes. And the chopper blades were even better. With the second mini-LFE, I have not yet experienced any bottoming out, even though the amplifier level is just about the same as before. (But I haven't yet tortured tested with Live Die Repeat).

Before these, I was always trying to raise the main volume on the AVR to get some more oompfh from my two very capable subwoofers. Too much volume was hurting our ears (and it was over the WAF limit). Sure I still listen loudly now, but it don't have to have it that loud and I am getting exactly what I have been working to get - that bass-shake. Going the tactile transducer route is cheaper than good subwoofers. So happy I went this route. Wish I had these years ago.
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post #2768 of 2783 Old 04-24-2017, 01:38 PM
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Has anyone had any success running the Auras or mini lfe wirelessly? My seats are in the middle of the room on a slab so running a cable would be difficult.
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post #2769 of 2783 Old 04-24-2017, 07:47 PM
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Quote:
Originally Posted by XBR11 View Post
This weekend I attached a second Buttkicker mini-LFE to my sofa. Having the correct tools would have been so much faster. Anyway we watched San Andreas last night. We'd seen it before a couple of times. But this time it was a lot more fun! The second mini-LFE really added some extra shaking. This time I was cheering for more earthquakes. And the chopper blades were even better. With the second mini-LFE, I have not yet experienced any bottoming out, even though the amplifier level is just about the same as before. (But I haven't yet tortured tested with Live Die Repeat).

Before these, I was always trying to raise the main volume on the AVR to get some more oompfh from my two very capable subwoofers. Too much volume was hurting our ears (and it was over the WAF limit). Sure I still listen loudly now, but it don't have to have it that loud and I am getting exactly what I have been working to get - that bass-shake. Going the tactile transducer route is cheaper than good subwoofers. So happy I went this route. Wish I had these years ago.
Cool! If you aren't getting bottoming now and when you try the Live Die Repeat intro test that you mentioned and do get bottoming, I wouldn't worry about it to much. That intro is nutz and way stronger and out of whack with the rest of the film IMO. Fun and great for VibSensor testing though.
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post #2770 of 2783 Old 05-11-2017, 01:26 PM
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Has anyone had any success running the Auras or mini lfe wirelessly? My seats are in the middle of the room on a slab so running a cable would be difficult.
Should not be a problem as long as you have the ability to add enough delay (increase sub distance for independent sub output to TTs if your AVR has this ability) to the rest of the system. Or the slight delay may not even be noticeable/objectionable.
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post #2771 of 2783 Old 05-12-2017, 12:37 PM
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Update - with my two Buttkicker mini-LFEs on my La-Z-Boy sofa, and playing the opening of "Edge of Tomorrow: Live Die Repeat", I am now getting worse bottoming out. What does that teach me - not to play that movie's opening at that volume setting.
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post #2772 of 2783 Old 05-12-2017, 02:39 PM
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Quote:
Originally Posted by XBR11 View Post
Update - with my two Buttkicker mini-LFEs on my La-Z-Boy sofa, and playing the opening of "Edge of Tomorrow: Live Die Repeat", I am now getting worse bottoming out. What does that teach me - not to play that movie's opening at that volume setting.

It is interesting hearing that. The only movie I've had trouble with is Interstellar. The worm hole scene will cause the TT's to cut off for a couple of seconds several times. The TT's don't bottom out but, the limiter is reach or it is a heat related issues due to the almost 2 min. long scene intesity. You only need to run 20-25 sec. for the EOT and it changes in frequency so the VC has some time to cool.

I can play every movie at MV 0 except Interstellar. I have to drop back to MV -10. Wow, that is 10X less power!
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post #2773 of 2783 Old 05-12-2017, 11:20 PM
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Originally Posted by XBR11 View Post
Update - with my two Buttkicker mini-LFEs on my La-Z-Boy sofa, and playing the opening of "Edge of Tomorrow: Live Die Repeat", I am now getting worse bottoming out. What does that teach me - not to play that movie's opening at that volume setting.
With my Earthquake MQB-1s I use REW signal generator to find the basic response and limits then EQ accordingly (INuke 3000DSP). My peak response is at 22Hz and the lower limit is 10Hz. There is good response all the way to 10Hz but it just requires more power to unleash it.

Hmmm, maybe I should develop a TT auto-EQ. Stay tuned for Kickstarter link. J/K
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post #2774 of 2783 Old 05-13-2017, 09:59 AM
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TT's can be equalized. But, the problem remain in the low bass. This is where the power is getting eaten up. knocking down some higher frequencies does not make up for what the low frequencies are demand of the unit. No matter what type of TT's you have, it is displacement limited and low bass is putting demands on displacement. Bottoming out means the TT's are being feed to much power(bad) or the hpf is set to low(bad). Both of these senarios will lead to TT's damage or amp damage. These things are the hardest working piece in the system so, back off or add more TT's.
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post #2775 of 2783 Old 05-14-2017, 06:33 AM
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To add another mini-LFE ($100), i'd have to add another Dayton Audio APA150 amplifier ($100). That's about $200 more for both.

I could go to a Buttkicker LFE (not the mini-LFE), but that is $240, and then I would need an amp for it, which is about $230. So going that route would cost about $480.

So between $200 and $480 for an upgrade. Right now it is NOT worth it for me.

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post #2776 of 2783 Old 05-14-2017, 12:14 PM
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Update - with my two Buttkicker mini-LFEs on my La-Z-Boy sofa, and playing the opening of "Edge of Tomorrow: Live Die Repeat", I am now getting worse bottoming out. What does that teach me - not to play that movie's opening at that volume setting.
No, when you are calibrated correctly you can play at any volume.
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post #2777 of 2783 Old 05-14-2017, 03:47 PM
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@Gary J

By "calibration" , you mean to measure with REW and apply a DSP correction? I never heard of doing REW with a Buttkicker. So I'm confused. Please explain how yo calibrate a Buttkicker.
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post #2778 of 2783 Old 05-17-2017, 12:29 PM
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XBR11,
FS: Modded BLACK Behringer iNUKE NU3000 amp.
If you are looking for another amp...
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post #2779 of 2783 Old 08-01-2017, 10:22 AM
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Hello, looking to add a buttkicker advance to my chairs. Wireless is my only option. The amp will be placed behind my chairs so it would need to be quiet. I guess the inuke would not be the best choice. What about a Dayton plate amp with dsp? Any recommendations appreciated.

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post #2780 of 2783 Old 08-05-2017, 03:54 PM
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So i've connected my Auraa Bass shakers, used 2 50hz low pass crossovers as suggested and its underwhelming.

It vibrates more thank shakes, im assuming because my sofa feet arent decoupled from the floor?

My current sofa feet are 2 inches tall and i havent found any reasonable replacement.

What other alternatives can i try ?

thanks
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post #2781 of 2783 Old 08-09-2017, 04:35 AM
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All,
My BKA-1000 amp died this weekend. I was wondering what amp would be a good replacement to use for my Buttkicker LFE?
Any suggestions?
Thanks in advance.
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post #2782 of 2783 Old 08-12-2017, 12:18 PM
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Having a hard time finding a bass shaker mounting location

I am interested in purchasing the AuraSound AST-2B-4 Pro Bass Shakers for my reclining love seat. The problem I have is the chairs have power recline and headrests which really gives me no location to install them deep inside. I have a 7 1/2 inch wide space on either side of the reclining slide mechanism. If I were to install a sheet of plywood on top of the frame and mount the shakers on the inside of the plywood, would I get a rumbling effect or will the plywood against the carpet, dull the sensation? Any help would be greatly appreciated. I have attached a photo of the loveseat frame.
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post #2783 of 2783 Old 09-05-2017, 09:06 PM
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This in one situation you will have to do some experimentation for the best effect. Ply wood sheets are cheap and you may need to try several sizes. Start with the largest possible placement of 2 or 4 shakers and go down from there. They need to be put in as pairs.
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