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Discussion Starter #1
I have an iNuke 3000DSP with one channel driving my RSS390HO. It sounds great, but I think I'd benefit from a transducer or four. Many people recommend Crowson, but those are just out of my price range. I have two sofas in an L-shape. One is about 8 feet long and one is 5 feet long (2-person loveseat). I have hardwood floors and access to my unfinished basement below the living room, so mounting to my subfloor is a pretty reasonable option.

I'm leaning towards a Buttkicker, but I could also get 4 Aura AST-2B-4s for even less, and wire them all into a 4 ohm load. Thoughts?
 

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I have an iNuke 3000DSP with one channel driving my RSS390HO. It sounds great, but I think I'd benefit from a transducer or four. Many people recommend Crowson, but those are just out of my price range. I have two sofas in an L-shape. One is about 8 feet long and one is 5 feet long (2-person loveseat). I have hardwood floors and access to my unfinished basement below the living room, so mounting to my subfloor is a pretty reasonable option.

I'm leaning towards a Buttkicker, but I could also get 4 Aura AST-2B-4s for even less, and wire them all into a 4 ohm load. Thoughts?
Clark Synthesis TST 429's are fantastic if you have the right amp and crossover. One is enough for 3 recliners on a raised platform so you should be good with 3 if you mount them to the floor. They blend really well with your subwoofers if you take the time to dial them in. You need to choose the amp (s) carefully if you want output at really low frequencies. I cross mine over at 60 Hz.
 

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I have an iNuke 3000DSP with one channel driving my RSS390HO. It sounds great, but I think I'd benefit from a transducer or four. Many people recommend Crowson, but those are just out of my price range. I have two sofas in an L-shape. One is about 8 feet long and one is 5 feet long (2-person loveseat). I have hardwood floors and access to my unfinished basement below the living room, so mounting to my subfloor is a pretty reasonable option.

I'm leaning towards a Buttkicker, but I could also get 4 Aura AST-2B-4s for even less, and wire them all into a 4 ohm load. Thoughts?
I am running 4 Aura AST 2B-4s off an iNuke 3000DSP (with the fan mod which is a must) and I am loving it. I did not want something that was going to be too intrusive, but I wanted some more tactile feel (I have home theater seating) and like you did not want to break the bank. I scored an amazing deal on some used Aura's and my thought was to try them out first and then I could sell them for what I paid and upgrade if needed.

I don't think I will upgrade. The Auras are just want I wanted. I put in a 60hz low pass filter (I played with 50hz too but settled on 60) on the iNuke and they are not intrusive at all. Meaning I only finding them providing feedback during larger explosions/action scenes and not for minor things. So far there is no unwanted noise from them, bottoming out issues, etc. They provide, for me, just the right amount of tactile feedback without being over the top or gimmicky. I am going to order 2 more so each chair in my theater will have them.
 

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Discussion Starter #4
Where did you mount your Auras? New, they are roughly the same price as a single Buttkicker.
 

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Where did you mount your Auras? New, they are roughly the same price as a single Buttkicker.
I mounted them to the bottom of my home theater chairs on the wood frame. I paid $40 shipped for 2 used ones and then bought 2 new ones for under $100 thanks to a Parts Express coupon. I already had the iNuke (it was collecting dust) so for $140 I am super happy.
 

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Sorry to hijack the topic but since we are discussing transducers I have a question. Is the feeling similar to how a sub would pressurize the room or is it more like the couch shaking violently?

Sent from my Pixel 2 XL using Tapatalk
 

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Sorry to hijack the topic but since we are discussing transducers I have a question. Is the feeling similar to how a sub would pressurize the room or is it more like the couch shaking violently?

Sent from my Pixel 2 XL using Tapatalk
It is shaking, not pressurization. I still have two really good subs to do that :)

It's all about tactile feedback. With the Aura's they do a good job in that a minor explosion might be more of a slight rumble feeling in your seat and then with a larger explosion it's more of a shaking sensation. It's not all or nothing, they do a good job emitting minor bass vs major impactful bass.

And it's not just in your butt. In my theater seats I can feel sensation from my head to my feet or wherever my body comes into contact with the chairs (which in my theater room means reclined almost all the time).
 

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Discussion Starter #8
My intention is to augment the exceptionally low vibration of the sub. I'm thinking crossed over at 50-60hz, the transducer should not feel like anything on its own, only like the sub. Crossed higher I'd think it would feel artificial.
 

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My intention is to augment the exceptionally low vibration of the sub. I'm thinking crossed over at 50-60hz, the transducer should not feel like anything on its own, only like the sub. Crossed higher I'd think it would feel artificial.
Exactly. I have also heard people experience bottoming out or unwanted noise with some transducers and I was worried about that. So far none of that with the Auras.
 

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I might have to get me a pair or two myself :D
 

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Do yourself a favor and check out the mqb1 earthquakes. Great price on amazon. High recommended. I like you were searching for some transducers and some here recommended these. Im very happy with them. They blend right in with my subs and never bottom out.
 

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Do yourself a favor and check out the mqb1 earthquakes. Great price on amazon. High recommended. I like you were searching for some transducers and some here recommended these. Im very happy with them. They blend right in with my subs and never bottom out.
Thanks @keeper. You are the second person to mention those. I have 2 buttkickers, but am curious about the earthquakes, and even see them on Amazon around $159.
 

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As @keeper and @ack_bk have mentioned, they do add another level of enjoying home theater. I have 3 subs that are doing the heavy lifting in the room, ad the 2 transducers that shake the couch. Even my daughters would rather watch a flick at home. That's gotta count for something.
 

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As @keeper and @ack_bk have mentioned, they do add another level of enjoying home theater. I have 3 subs that are doing the heavy lifting in the room, ad the 2 transducers that shake the couch. Even my daughters would rather watch a flick at home. That's gotta count for something.
Your spot on. When set up correctly transducers add a lot to movie watching. They should blend in with subwoofers and not over power them.
 

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It is shaking, not pressurization. I still have two really good subs to do that :)

It's all about tactile feedback. With the Aura's they do a good job in that a minor explosion might be more of a slight rumble feeling in your seat and then with a larger explosion it's more of a shaking sensation. It's not all or nothing, they do a good job emitting minor bass vs major impactful bass.

And it's not just in your butt. In my theater seats I can feel sensation from my head to my feet or wherever my body comes into contact with the chairs (which in my theater room means reclined almost all the time).
Thank you. This is a great thread. Next upgrade will be a transducer!

Sent from my Pixel 2 XL using Tapatalk
 

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Discussion Starter #16
The MQB-1 Earthquakes look promising. Similar design to the Buttkickers, though it appears they don't extend as far as the BK-LFE. One review says they needed an additional +6db @ 25hz just to maintain a flat response down to 40hz.

It's nice that they are 8 ohm so I could run two of them in parallel though.

I just picked up a restocked BK-LFE at Parts Express for $176. I'll give it a try under the floor first and see if I need more. I think the floor will be more convincing than the carpet as everything should shake (like the sub) and not just my seat.
 

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Your spot on. When set up correctly transducers add a lot to movie watching. They should blend in with subwoofers and not over power them.
right @keeper. they add bass and when set up do not overwhelm the experience. Sometimes they shake a bit depending on the scene as well, as my buttkickers go a bit lower than my other subs:)
 

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The MQB-1 Earthquakes look promising. Similar design to the Buttkickers, though it appears they don't extend as far as the BK-LFE. One review says they needed an additional +6db @ 25hz just to maintain a flat response down to 40hz.

It's nice that they are 8 ohm so I could run two of them in parallel though.

I just picked up a restocked BK-LFE at Parts Express for $176. I'll give it a try under the floor first and see if I need more. I think the floor will be more convincing than the carpet as everything should shake (like the sub) and not just my seat.
A few people stated that they tried both and preferred the earthquakes as they don’t bottom out. At amazons current price and return policy I took the chance. Glad I did. I’m sure either will work well. Last year I picked up a used Buttkicker 1000 amp. I read they are working on a new model but haven’t heard anything recently.
 

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I just picked up a restocked BK-LFE at Parts Express for $176. I'll give it a try under the floor first and see if I need more. I think the floor will be more convincing than the carpet as everything should shake (like the sub) and not just my seat.
Is your sub-floor decoupled from the rest of the floor? Depending on the total floor-space and mass your Buttkicker needs to "shake", a single transducer may not be enough - placement will also be critical to ensure the effect is evenly distributed across all seats.

The typical transducer setup is to bolt it directly to the frame of the seating to maximize energy transfer (Crowsons would go underneath the feet). Alternatively, they can also be attached to a riser (if one exists) in a more dedicated space. In either scenario, the seating/riser would be mechanically isolated from the rest of the floor.
 

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Discussion Starter #20
Hmm, I have hardwood floors secured to the subfloor via nails, but there is a thin foam underlayment between the two. So maybe it is decoupled.
 
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