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post #61 of 106 Old 03-28-2018, 03:26 AM - Thread Starter
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Originally Posted by keeper View Post
You could be waiting awhile.
I probably will.

And you Keeper?
You have the Earthquakes already. Are you going to wait, of are you trying an Amp and ship it back if not satisfying enough?
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post #62 of 106 Old 03-28-2018, 03:43 AM
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Quote:
Originally Posted by Candle View Post
Quote:
Originally Posted by keeper View Post
You could be waiting awhile.
I probably will.

And you Keeper?
You have the Earthquakes already. Are you going to wait, of are you trying an Amp and ship it back if not satisfying enough?
I’m looking and weighing my options. I’d like to pick up something relatively soon. I’ll post back when I have things hooked up.
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post #63 of 106 Old 03-28-2018, 09:39 AM
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Here the email I received today,
Hi Charles,

We are working on refreshing the BKA1000 amplifier and working towards having it available later on in the spring. You can signup for our mailing list at TheButtKicker.com.

Regards,

Andrew Luden
Business Development / Marketing
The Guitammer Company
tel.614-898-9370 ex.103
fax.815-346-9532
www.thebuttkicker.com
www.guitammer.com
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post #64 of 106 Old 03-28-2018, 03:28 PM
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So I just purchased a used bka1000r at a good price to use with the earthquakes. Should install them early next week. I will report back.

Last edited by keeper; 03-28-2018 at 04:24 PM.
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post #65 of 106 Old 03-28-2018, 11:46 PM
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Originally Posted by keeper View Post
So I just purchased a used bka1000r at a good price to use with the earthquakes. Should install them early next week. I will report back.
Owning a BKA1000-N I was curious what a 1000-R was but I could not find it at all. Are you sure it is not a 1000-4 you have bought.

If you are interested here is a review of the 1000-4

https://hometheaterhifi.com/volume_1...er-9-2003.html

The only obvious difference I can see is that the 4 has selectable voltage switch on the rear panel while the N does not.
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post #66 of 106 Old 03-29-2018, 01:58 AM
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Quote:
Originally Posted by Dolus View Post
Owning a BKA1000-N I was curious what a 1000-R was but I could not find it at all. Are you sure it is not a 1000-4 you have bought.

If you are interested here is a review of the 1000-4

https://hometheaterhifi.com/volume_1...er-9-2003.html

The only obvious difference I can see is that the 4 has selectable voltage switch on the rear panel while the N does not.
Oops, sorry you are correct. It’s the 1000-4. I purchased this for well below $200 shipped. Didn’t want to spend a lot on an amp for shakers since this amp is rated so highly. Will check out the new Buttkicker amp this summer.

Last edited by keeper; 03-29-2018 at 02:03 AM.
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post #67 of 106 Old 03-30-2018, 07:54 AM - Thread Starter
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Should install the BKA1000-4 early next week. I will report back.
Can hardly wait, for your experience.
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post #68 of 106 Old 04-01-2018, 04:16 PM
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So I just wanted to give a quick update. I’ve been working on my first chair using one earthquake MQB1. Unfortunately I don’t really have any great spots on these theater chairs to mount transducers. So I attached a piece of oak board to the metal bottom frame. Off center because the recliner mechanism is right down the middle. My bka-1000 hasn’t come in yet so I’m using an old Sony 100 watt receiver. First impressions are very good. I use a v1801 sub right behind my middle recliner and these earthquakes give a similair effect. It’s like @markmon1 said “ it’s like having a giant sub firing into the back of the chairs”. My only issue is that because I had to mount off center I get more vibration off one side of the chair. I might install two per chair and wire them in parallel 4 which I believe will be 2 ohms which the buttkicker can handle no problem. These things don’t need a lot of power for a great effect.

Last edited by keeper; 04-02-2018 at 01:26 AM.
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post #69 of 106 Old 04-02-2018, 12:39 AM - Thread Starter
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So I just wanted to give a quick update. I’ve been working on my first chair using one earthquake MQB1. Unfortunately I don’t really have any great spots on these theater chairs to mount transducers. So I attached a piece of oak board to the metal bottom frame. Off center because the recliner mechanism is right down the middle. My bka-1000 hasn’t come in yet said I’m using an old Sony 100 watt receiver. First impressions are very good. I use a v1801 sub right behind my middle recliner and these earthquakes give a similair effect. It’s like @markmon1 said “ it’s like having a giant sub firing into the back of the chairs”. My only issue is that because I had to mount off center I get more vibration off one side of the chair. I might install two per chair and wire them in parallel 4 which I believe will be 2 ohms which the buttkicker can handle no problem. These things don’t need a lot off power for a great effect.
As soon as the BKA1000 is in, you have more tuning possibileties.
Do you have Pacific Rim?
It seems that with the heartbeat scene, you can tune the delay really good.
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post #70 of 106 Old 04-02-2018, 01:25 AM
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As soon as the BKA1000 is in, you have more tuning possibileties.
Do you have Pacific Rim?
It seems that with the heartbeat scene, you can tune the delay really good.
My delay will be fine hopefully as I have a nearfield sub that I will be splicing into. The biggest thing with these transducers are having a good place to mount. 1 is pretty potent but in my situation I just have limited places to mount. 1 shakes the chair really well with a low power amp. These earthquakes are no joke. They are tiny but do the job.
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post #71 of 106 Old 04-02-2018, 02:36 AM - Thread Starter
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My delay will be fine hopefully as I have a nearfield sub that I will be splicing into. The biggest thing with these transducers are having a good place to mount. 1 is pretty potent but in my situation I just have limited places to mount. 1 shakes the chair really well with a low power amp. These earthquakes are no joke. They are tiny but do the job.
If you connect it parallel on you sub, it will probably be in sync.

I was thinking about only using 1 Earthquake MQB1 for each sofa, placing it in the middle of a two seater, but that is a no go?
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post #72 of 106 Old 04-02-2018, 04:18 AM
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[QUOTE=Candle;55959830]If you connect it parallel on you sub, it will probably be in sync.

I was thinking about only using 1 Earthquake MQB1 for each sofa, placing it in the middle of a two seater, but that is a no go?[/QUOTE

You might have more tactile toward the middle and little on the ends. It’s all about experimenting. My issues is not having a good spot to mount. Of course it will depend on how much shake you want. If I could attach to wood base 1 would be enough per chair.
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post #73 of 106 Old 04-02-2018, 09:56 AM
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Well one chair done for now. Took me many hours lol. On my cHairs there are not many good places to mount transducers. No wood on base just steel. I looked over the Crowsons thread with some guys that own the same chair as me. They found that attaching to the steel frame gave best results, so that it what I did. I first tried one earthquake and that shook the seats very well but most of the shaking was done on one side of the chair. Today I added a second and that made all the difference. My Buttkicker 1000 came in today so things are great. I’m tweaking the level as I find lower is better, especially with two transducers. My plan is to purchase two more and add to my other seat. As I understand it the amp can handle close to 2000 watts on a 2 ohm load. Combining 4 8ohm transducers in parallel would make a 2ohm load I believe? I’m new to transducers and more complex wiring but I think I have everything set up correctly. Thanks to those that recommended the earthquakes. They are pretty awesome. I was lucky to buy both the earthquakes and buttkicker used so I don’t have a ton of money into this.
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post #74 of 106 Old 04-02-2018, 12:39 PM
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It's nice to see the Earthquake TTs getting some love. IME their build quality is far superior to Buttkicker's. Their torque multiplying brackets also make a big difference. I'm guessing Earthuake has a patent which is why we don't see other similar brackets. If I had access to my subfloor I would install a Q10-B. 1 MQB-1 per chair works wonderfully (directly to chair or to platform).

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post #75 of 106 Old 04-02-2018, 10:13 PM - Thread Starter
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Originally Posted by Marc Alexander View Post
It's nice to see the Earthquake TTs getting some love. IME their build quality is far superior to Buttkicker's. Their torque multiplying brackets also make a big difference. I'm guessing Earthuake has a patent which is why we don't see other similar brackets. If I had access to my subfloor I would install a Q10-B. 1 MQB-1 per chair works wonderfully (directly to chair or to platform).

You have the Earthquakes on top of their plate. Do they work the same underneath the plate, pointed downwords?
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post #76 of 106 Old 04-03-2018, 04:59 AM
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Quote:
Originally Posted by Marc Alexander View Post
It's nice to see the Earthquake TTs getting some love. IME their build quality is far superior to Buttkicker's. Their torque multiplying brackets also make a big difference. I'm guessing Earthuake has a patent which is why we don't see other similar brackets. If I had access to my subfloor I would install a Q10-B. 1 MQB-1 per chair works wonderfully (directly to chair or to platform).
Hi Marc
Did you make that up? I was intrigued and Googled "Earthquake transducer torque multiplying bracket" but no hits. I visited the Earthquake site and not a mention. It must be a closely guarded secret and you have just given it away.

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post #77 of 106 Old 04-03-2018, 08:01 AM
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Quote:
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You have the Earthquakes on top of their plate. Do they work the same underneath the plate, pointed downwords?
Yes
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Hi Marc
Did you make that up? I was intrigued and Googled "Earthquake transducer torque multiplying bracket" but no hits. I visited the Earthquake site and not a mention. It must be a closely guarded secret and you have just given it away.
The brackets they come with increase the effectiveness vs mounting directly without the bracket.

Here is the platform bracket for the Q10-B, https://www.amazon.com/Earthquake-Sh.../dp/B00EEDAVZI

Q10B platform
http://earthquakeeurope.com/Products...ingInfo_US.pdf

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post #78 of 106 Old 04-03-2018, 04:39 PM
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I just wanted to report that I had to modify my existing placement somewhat due to contact with the mechanisms underneath. I moved each transducer forward about 4 inches and have no issues. This resulted in even better tactile. I can’t say enough how much I am impressed with these little transducers. They blend right in with my subs and give the perception of many more subs in the room. I use a very nearfield v1801 right behind my chair and I’d say with it turned off it still seems like it is on with the use of these transducers. Now my chairs are on cork flooring. How much benefit does adding those absorbers give you? I was looking at the small little pads you place under each end.
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post #79 of 106 Old 04-03-2018, 06:35 PM
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@keeper what is under the cork? Hard slab or floating subfloor?
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post #80 of 106 Old 04-03-2018, 11:27 PM
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Thanks for that Marc.

Now you pointed me in the right direction it is easy to find.

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post #81 of 106 Old 04-03-2018, 11:43 PM
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Yea the earthquakes are much more like a sub in your chair while the butt kickers are more like a transducer in your chair. You’d appreciate them even more if you had butt kickers before to compare.
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post #82 of 106 Old 04-03-2018, 11:54 PM
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I love my transducers - it enabled me to get back to reference sub channel levels rather than massively boosting them for tactile impact I liked. They still give tactile impact at reference settings (2x SVS PB13 Ultra in a small room!) but in order to get the kind of response I wanted I was running 12db hot.

There's some good info on the Quake's on AVForums - https://www.avforums.com/threads/ear...#post-26026510

I posted my thoughts there. But this is relevant for anyone setting these up:

Quote:
Issue - getting clean sub output in receivers with Auddssey or Dirac will PEQ the LFE channel. My Quake 10B was working fine with one sub and Auddssey but when I added another the Trim levels in particular and the PEQ really sucked the life out of the transducers.

The solution - use a secondary receiver. My primary is a Marantz SR6011 and I have an old RXV375 laying around. In the primary receiver make sure you enable Zone 2 HDMI sound. Input the Zone 2 from primary to input of the secondary and feed your tactile transducer amp from the sub output of the secondary. Voila you have clean output to your secondary.

You need a reciever with at least TrueHD/DTS Master audio decoding if you want to play Atmos/DTS:X. The good thing is the secondary reciever doesn't need to be Atmos/DTS:X compataible only TrueHD/Master audio because the object based effects are in meta data. This won't impact on bass performance.

To minimise cost and to get around any video limitations (HDR, 4k) of a secondary receiver I use a HD Fury integral. Otherwise your primary recievers video output will be limited to the HDCP/specs of your secondary. My RXV375 doesn't do 4k or HDR but the Fury gets around this problem.
Also in getting a new Sofa I attached my two Quakes to a single Ikea chair. Justice league with that was the best movie experience I've ever had. It was a freakin ride!

I should also add the Earthquake XJ amp seems to be the best for tactile transducers. There's a good FAQ here: http://www.earthquakesound.eu/info/faq/tactile-faq.aspx

Quote:
Q: What type of amplifier should I use to run tactiles at ultra low frequencies (15Hz and lower)?

A: To run the tactile at ultra low frequencies an old school "Heavy Iron" Class AB amplifier should be used, as switching output amplifiers (Class D and derivatives) are not designed to operate at those frequencies as they come too close to DC for comfort and they usually have a high pass filter or modulator limiter build in to prevent passing of super low signals.

For all actual audio uses such as music, home theater and gaming - an Earthquake XJ-300ST or XJ-700R is the optimal amplifier to use. They have superior control of the piston movement due to high emf absorption and high current capability unique to the class J output stage.
Also I've found a Mini DSP really bought mine to life - you can really shape the EQ curve with these to optimise the shake.
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post #83 of 106 Old 04-04-2018, 12:18 AM
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interesting thread, i have 2 buttkicker 1000w amps and 4 lfe & 4 concerts, the lfe's are mounted directly to sofa and the concert's mount on a riser board. For people bottoming out your setup is too stiff, my riser is mounted on buttkicker's Kinetic Isolator for risers and the sofa is mounted on buttkickers Rubber Isolator, the isolators made night and day difference, before i could barely get any volume and they would bottom, you want bouncy, my sub makes sofa bounce as well now
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post #84 of 106 Old 04-04-2018, 01:02 AM
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@keeper what is under the cork? Hard slab or floating subfloor?
Hard slab. Basement floor.
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post #85 of 106 Old 04-04-2018, 01:25 AM - Thread Starter
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Ha Mark Alexander.

You have the Q10B's and the MQB-1's?
Which do you prefer?
I believe markmon1 prefers the MQB-1.


The question now is, wil the XJ-700 be better than the famous and now new coming BKA1000-(x), which is cheaper?
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post #86 of 106 Old 04-04-2018, 02:52 AM
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Ha Mark Alexander.

You have the Q10B's and the MQB-1's?
Which do you prefer?
I believe markmon1 prefers the MQB-1.


The question now is, wil the XJ-700 be better than the famous and now new coming BKA1000-(x), which is cheaper?
I have 2 Q10B's sitting idle now. The MQB-1's feel exactly the same as the Q10B's but are more audibly silent at low volume and require less power to achieve a similar shake. It would depend on the use. I think the MQB-1 requires a chair mount to be effective. I think the QB10's could be mounted under floor boards or such to be effective and also driven with more power.

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post #87 of 106 Old 04-04-2018, 10:12 AM
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Now my chairs are on cork flooring. How much benefit does adding those absorbers give you? I was looking at the small little pads you place under each end.
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@keeper what is under the cork? Hard slab or floating subfloor?
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Hard slab. Basement floor.
The isolators will make significant difference. In a basement it will be even better to build a platform and put the isolation feet under that. Everything is more realistic when you feel the bass through your feet and not just the chair.

https://www.parts-express.com/penn-e...x-1-h--260-772
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post #88 of 106 Old 04-04-2018, 10:16 AM
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Quote:
Originally Posted by rxp91 View Post
I love my transducers - it enabled me to get back to reference sub channel levels rather than massively boosting them for tactile impact I liked. They still give tactile impact at reference settings (2x SVS PB13 Ultra in a small room!) but in order to get the kind of response I wanted I was running 12db hot.

There's some good info on the Quake's on AVForums - https://www.avforums.com/threads/ear...#post-26026510

I posted my thoughts there. But this is relevant for anyone setting these up:



Also in getting a new Sofa I attached my two Quakes to a single Ikea chair. Justice league with that was the best movie experience I've ever had. It was a freakin ride!

I should also add the Earthquake XJ amp seems to be the best for tactile transducers. There's a good FAQ here: http://www.earthquakesound.eu/info/faq/tactile-faq.aspx



Also I've found a Mini DSP really bought mine to life - you can really shape the EQ curve with these to optimise the shake.
Dude, is that two Q10Bs on a single chair? OMG! You are mad! Each Q10B is equal to ~3 MQB-1s a single MQB-1 could handle that chair. With enough power the Q10Bs will rip that chair apart! (might make for a cool video though )
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post #89 of 106 Old 04-04-2018, 10:35 AM
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Quote:
Originally Posted by Candle View Post
Ha Mark Alexander.

You have the Q10B's and the MQB-1's?
Which do you prefer?
I believe markmon1 prefers the MQB-1.

The question now is, wil the XJ-700 be better than the famous and now new coming BKA1000-(x), which is cheaper?
I have 4 MQB-1s and a Buttkicker LFE I picked up for its BKA1000.

Class D amps like the iNukes are sufficient for the MQB-1s (response starts rolling off at 15Hz and stops at 10Hz). For the Q10Bs (which go down to 5Hz) I would recommend class B like the BKA & XJs.

I'm not sure the XJ is worth the added expense over BKA… except likely in terms of reliability.
Marc Alexander is offline  
post #90 of 106 Old 04-04-2018, 10:35 AM
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Yes it's two! The Ikea chair is very well built actually! But it does have the power to make it dance across the room when I get my ass out of it!

Seriously Justice League was out of this world. For those types of movies it's like a ride and it really added to the movie. I guess almost like a 4DX. But for most movies I tone it down to one Quake 10B at a reasonable volume with no clipping.

I've read a lot about transducers and there's a lot of talk about calibrating them and making sure the level isn't too high. I think there's a ton of personal preference and just do whatever feels good. At lower gain and a flat EQ the Quake's even complement live music well.
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