The "Official" Crowson Tactile Motion Actuators Thread. - Page 17 - AVS | Home Theater Discussions And Reviews
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post #481 of 508 Old 12-09-2014, 03:45 PM
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Had a chance to try out the Crowsons over the weekend and I was very pleasantly surprised! SOWK brought over a Crowson amp and we experimented with 2 transducers and 4 transducers on a chair. We also placed the chair on plywood and noticed that it created the added effect of bringing the bass to your feet. Doing so, however, reduced the sensation somewhat to the chair and armrests.


It seemed that @SOWK and I were in agreement that having 2 transducers underneath the board and then 2 transducers underneath the seat (above the board) was the ULTIMATE viewing experience. Having the transducers in the front of the seat likely is most conducive to getting the bass going to the feet.


My one complaint, if it can be called that, is that the Crowsons were so effective that I found myself not paying as much attention to the actual bass production of the movie due to the sensation from the chair. Once fully integrated into a system, this likely can substantially contribute to a theater experience for those of us that are in basements on a concrete floor.
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post #482 of 508 Old 01-07-2015, 01:32 PM
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My couch is 7' wide, and seats 3. I think I have read that the weight limit per transducer is 250lbs. My question is, would 1 transducer work good for awhile? Or would the couch weight plus the weight of me and my wife (approx 370lbs) be to much for 1? Could the weight damage the transducer or would the effect just be less? I do plan to get 2 of them, just don't want to bite the bullet right now.
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post #483 of 508 Old 01-07-2015, 03:07 PM - Thread Starter
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Quote:
Originally Posted by SeekingNirvana View Post
My couch is 7' wide, and seats 3. I think I have read that the weight limit per transducer is 250lbs. My question is, would 1 transducer work good for awhile? Or would the couch weight plus the weight of me and my wife (approx 370lbs) be to much for 1? Could the weight damage the transducer or would the effect just be less? I do plan to get 2 of them, just don't want to bite the bullet right now.
Page 10 of the manual specifies that each actuator can sustain a maximum load of 1,000 lbs.
http://crowsontech.com/_CrowsonTech/...ion_Manual.pdf

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post #484 of 508 Old 01-07-2015, 03:24 PM
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Ah ok....I thought I read 250lbs. Good to know.

So would 1 transducer give me a good effect on a couch that size?
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post #485 of 508 Old 01-07-2015, 03:39 PM - Thread Starter
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Quote:
Originally Posted by SeekingNirvana View Post
Ah ok....I thought I read 250lbs. Good to know.

So would 1 transducer give me a good effect on a couch that size?
I used to have just one driving my whole couch, and it worked fine. The key is the installation. You'll want a centrally located mounting point and isolators under all the other feet.

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post #486 of 508 Old 01-08-2015, 09:32 PM
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I have a inuke 3000dsp in the cart ready to push the "buy" button, just want to make sure this will be ok running 1 shadow-8 for awhile? I do plan to buy another shadow-8 later so I want to get a amp that will be future proof. Don't know if it will be to much power for 1, or not enough. I don't see a spec for 8 ohm on the 3000dsp, only for 2ohm and 4ohm.

I will be placing my order of 1 shadow-8 tomorrow morning......

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post #487 of 508 Old 01-09-2015, 06:38 AM
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Quote:
Originally Posted by SeekingNirvana View Post
I will be placing my order of 1 shadow-8 tomorrow morning......
I am using the iNuke 3000DSP to power two Crowson units...you will be fine with this amp.

Here are the specs for 8 ohm:

Max Output Power per channel 8 ohm: 440W
RMS per channel 8 ohm: 280W
Bridged Mono Max Output: 1520W
Bridged Mono RMS: 1100W
You can always use the limiter function on the DSP to reduce power...

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post #488 of 508 Old 01-15-2015, 08:19 AM
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I have received the 3000dsp, and already did a fan mod on it. The Crowson is scheduled to be delivered today. One I get it into my system I will post my impressions, and how I set it all up.

I have high expectations!! Can't wait.....
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post #489 of 508 Old 01-15-2015, 05:45 PM
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What....What!!!!!


Now I just need for the speakon to show up!! I ordered everything at the same time, and the speakon still wont be here for 2 days!! The cables, amp, fan, and Crowson are all here......should have ordered it through Amazon, parts express is slow!
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post #490 of 508 Old 01-15-2015, 05:53 PM
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Quote:
Originally Posted by SeekingNirvana View Post
What....What!!!!!


Now I just need for the speakon to show up!! I ordered everything at the same time, and the speakon still wont be here for 2 days!! The cables, amp, fan, and Crowson are all here......should have ordered it through Amazon, parts express is slow!
Awesome! I can't wait until I get mine. I haven't ordered yet because I had what was supposed to be an easy knee surgery, but had some pretty bad complications.

Let us know ASAP. I plan on setting up just like you are doing.

Question... what do you have your mains sitting on?
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post #491 of 508 Old 01-15-2015, 06:11 PM
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Quote:
Originally Posted by craig john View Post
Page 10 of the manual specifies that each actuator can sustain a maximum load of 1,000 lbs.
http://crowsontech.com/_CrowsonTech/...ion_Manual.pdf

Craig
Craig

This where I read about the 250lb limit for the Crowson...The "Official" Crowson Tactile Motion Actuators Thread.

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post #492 of 508 Old 01-15-2015, 06:23 PM
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Quote:
Originally Posted by sslv2pwned View Post
Awesome! I can't wait until I get mine. I haven't ordered yet because I had what was supposed to be an easy knee surgery, but had some pretty bad complications.

Let us know ASAP. I plan on setting up just like you are doing.

Question... what do you have your mains sitting on?
My mains are Klipsch RF-83's....they are towers. Crappy cell phone pic in low light


Hope your recovery goes quick!
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post #493 of 508 Old 01-15-2015, 10:34 PM
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Nice 83's, man.

Eager to hear what you think of the Crowson's.

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post #494 of 508 Old 01-15-2015, 11:48 PM
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Nice 83's, man.

Eager to hear what you think of the Crowson's.
I'm surprised you haven't tried them out Scott. They really are the real deal.
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post #495 of 508 Old 01-16-2015, 12:10 AM
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I'm surprised you haven't tried them out Scott. They really are the real deal.
Yeah. I know, right?

An eventuality, for sure. At ~$900 for two it's a stretch right now.

Going to try a riser (loaded with 18's maybe?) first. It's cheaper that way.

I'd like to demo them.

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post #496 of 508 Old 01-16-2015, 01:25 AM
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Quote:
Originally Posted by Scott Simonian View Post
Yeah. I know, right?

An eventuality, for sure. At ~$900 for two it's a stretch right now.

Going to try a riser (loaded with 18's maybe?) first. It's cheaper that way.

I'd like to demo them.
Ballz out!
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post #497 of 508 Old 01-16-2015, 08:49 AM
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I'd like to demo them.
Just say when.
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post #498 of 508 Old 01-17-2015, 02:48 PM
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Question for the guys running a inuke with the Crowsons......How are you setting the gain?


The way I have my set up so far is:
-Set to bridged
-Limter is set to 89v @8ohm
-12db butterworth @60hz (I'll mess with the crossover latter.)

Now what about the gain? Since I am volt limiting should I max it out?

Or should I max it out and take voltage readings, then adjust the trim in my AVR to a set voltage? If so what would be a good voltage?

I know the inuke only needs .77v to get full power, but at what point will I clip the input?
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post #499 of 508 Old 01-17-2015, 04:45 PM
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I would set the sub trim to 0 and adjust gain until you get the level you want. Maxing the gain will likely end up with you clipping the amp output for no real reason.
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post #500 of 508 Old 01-18-2015, 09:06 PM
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Quote:
Originally Posted by SeekingNirvana View Post
Question for the guys running a inuke with the Crowsons......How are you setting the gain?





The way I have my set up so far is:

-Set to bridged

-Limter is set to 89v @8ohm

-12db butterworth @60hz (I'll mess with the crossover latter.)



Now what about the gain? Since I am volt limiting should I max it out?



Or should I max it out and take voltage readings, then adjust the trim in my AVR to a set voltage? If so what would be a good voltage?



I know the inuke only needs .77v to get full power, but at what point will I clip the input?

Any updates? What are your thoughts so far?


Sent from my iPad using Tapatalk
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post #501 of 508 Old 01-18-2015, 11:11 PM
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Quote:
Originally Posted by sslv2pwned View Post
Any updates? What are your thoughts so far?


Sent from my iPad using Tapatalk
I can't wipe this poop eating grin off my face! I haven't had that much time to really evaluate it, but so far I am impressed!

I will give a more detailed impression a little later.

You should give Randolf a call and get yours ordered!
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post #502 of 508 Old 01-20-2015, 02:40 PM - Thread Starter
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Quote:
Originally Posted by sslv2pwned View Post
Any updates? What are your thoughts so far?
I'm not SeekingNirvana but I had a friend over last Saturday and he posted this about the Crowsons:

Quote:
Originally Posted by audioguy View Post
PS. And this is the first time I have ever experienced a seat acutator system that actually increased the listening experience instead of taking me out of it.
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post #503 of 508 Old Yesterday, 05:37 PM
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I've been looking at these for about a year now, and finally I pulled the trigger and purchased 1 Shadow 8. The plan was to just rock 1 for a while then get another later down the road, but after 2 days I had to have another. So I called Randolf and ordered 1 more, I now have 2 Shadow 8's. This stuff is the real deal, they are good....really good. I am powering them with a inuke 3000dsp and they add so much tactile feel that they make my near field LMS Ultra's feel like puny little subs, which they are not.


A little back round on my system....
AVR- Onkyo Tx-nr3009 with XT32 and 2 sub outs
Subs- 2 sealed near field LMS Ultra's each powered by a QSC 4050hd


My house is on a slab so I lose a lot of tactile feel. I have a normal couch that has 5 legs, 3 in the front and 2 in the back. Right now I have the 2 actuators on one side of the couch, 1 in the back corner and the other in the front corner. I tend to sit on the same side and my wife on the other. Me being selfish I wanted to get the most feel. They are just on the carpet, but I plan to experiment on setting them on some plywood. Even with them on the carpet the feeling is intense, so Im eager to get them on some wood. I played my go to Demo which is chapter 2 of "Art of Flight". During this scene I would turn off the amp to the actuators and when I did that it felt like I had no subs! It felt like all the tactile sensation was gone. Now keep in mind I have 2 near field Ultra's, and when I say near field I mean they are firing 1" away form the back of my couch. I was very happy with the tactile feel of my subs, but now after adding the Crowson's I don't know if I could ever go back to just the subs.


The major reason it took me so long to order these up is because I was trying to find a way to send them a unaltered signal. I really didn't want to buy a Oppo just for the analog sub outs, because my AVR has the same video processor, and a DAC that is just as good, so spending $500 just for the sub out didn't make sense to me. I read that if you have 2 dedicated subs outs, you could run XT32 with just one connected, then after the calibration you could hook up the other sub out and it wouldn't have any filters applied. I decided to give it a try, and it is true. You can run the calibration using 1 sub out, then hook up the other. I took some REW sweeps of my room, then a sweep of sub out 1, and finally sub out 2. I have a mini DSP and my subs are equidistant from the MLP so using the mini I took sub 1 and copied it in the mini. This left sub out 2 for the Crowson's.

The Green line is the raw in room response, and the red is a loop back coming from sub out 1, and as you can see XT32 applied a correction to it. The blue line is a loop back of sub out 2, which was not connected during calibration. As you can see there is no filter applied.


I am pretty happy it worked out, and hopefully others can use this info to decide how to send a unaltered signal to the Crowson's.


So since I got that all worked out this is how everything is set up.....


I have the actuators wired parallel to a 4ohm load since they are each 8ohm
I am running the 3000dsp in 4ohm bridged mode, limiting the voltage at 89v. This gives the Crowson's about 1000 watts between the 2 of them.
I have a 12db butterworth at 60hz (I will likely play around with the crossover frequency)


Having the signal feed from the sub out the intensity of the actuator is dependent on the MV, but with my AVR I can easily change the trim setting with the remote to a level that I like. So its not that big of a deal for me. If I want more......I just boost the trim of sub out 2. Easy.....


If anyone is reading this thread and contemplating getting some.......don't wait, you will not be disappointed! They add so much tactile intensity, that the only thing I can compare them to is being in a car with some serious beat.
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post #504 of 508 Old Yesterday, 07:13 PM - Thread Starter
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Quote:
Originally Posted by SeekingNirvana View Post
I've been looking at these for about a year now, and finally I pulled the trigger and purchased 1 Shadow 8. The plan was to just rock 1 for a while then get another later down the road, but after 2 days I had to have another. So I called Randolf and ordered 1 more, I now have 2 Shadow 8's. This stuff is the real deal, they are good....really good. I am powering them with a inuke 3000dsp and they add so much tactile feel that they make my near field LMS Ultra's feel like puny little subs, which they are not.


A little back round on my system....
AVR- Onkyo Tx-nr3009 with XT32 and 2 sub outs
Subs- 2 sealed near field LMS Ultra's each powered by a QSC 4050hd


My house is on a slab so I lose a lot of tactile feel. I have a normal couch that has 5 legs, 3 in the front and 2 in the back. Right now I have the 2 actuators on one side of the couch, 1 in the back corner and the other in the front corner. I tend to sit on the same side and my wife on the other. Me being selfish I wanted to get the most feel. They are just on the carpet, but I plan to experiment on setting them on some plywood. Even with them on the carpet the feeling is intense, so Im eager to get them on some wood. I played my go to Demo which is chapter 2 of "Art of Flight". During this scene I would turn off the amp to the actuators and when I did that it felt like I had no subs! It felt like all the tactile sensation was gone. Now keep in mind I have 2 near field Ultra's, and when I say near field I mean they are firing 1" away form the back of my couch. I was very happy with the tactile feel of my subs, but now after adding the Crowson's I don't know if I could ever go back to just the subs.


The major reason it took me so long to order these up is because I was trying to find a way to send them a unaltered signal. I really didn't want to buy a Oppo just for the analog sub outs, because my AVR has the same video processor, and a DAC that is just as good, so spending $500 just for the sub out didn't make sense to me. I read that if you have 2 dedicated subs outs, you could run XT32 with just one connected, then after the calibration you could hook up the other sub out and it wouldn't have any filters applied. I decided to give it a try, and it is true. You can run the calibration using 1 sub out, then hook up the other. I took some REW sweeps of my room, then a sweep of sub out 1, and finally sub out 2. I have a mini DSP and my subs are equidistant from the MLP so using the mini I took sub 1 and copied it in the mini. This left sub out 2 for the Crowson's.

The Green line is the raw in room response, and the red is a loop back coming from sub out 1, and as you can see XT32 applied a correction to it. The blue line is a loop back of sub out 2, which was not connected during calibration. As you can see there is no filter applied.


I am pretty happy it worked out, and hopefully others can use this info to decide how to send a unaltered signal to the Crowson's.


So since I got that all worked out this is how everything is set up.....


I have the actuators wired parallel to a 4ohm load since they are each 8ohm
I am running the 3000dsp in 4ohm bridged mode, limiting the voltage at 89v. This gives the Crowson's about 1000 watts between the 2 of them.
I have a 12db butterworth at 60hz (I will likely play around with the crossover frequency)


Having the signal feed from the sub out the intensity of the actuator is dependent on the MV, but with my AVR I can easily change the trim setting with the remote to a level that I like. So its not that big of a deal for me. If I want more......I just boost the trim of sub out 2. Easy.....


If anyone is reading this thread and contemplating getting some.......don't wait, you will not be disappointed! They add so much tactile intensity, that the only thing I can compare them to is being in a car with some serious beat.
This is a great finding. Thanks for doing the work. You said that you can still adjust the Sub2 trim setting doing it this way. Can you also independently adjust the distance for Sub2? If so, you could "time" the transducers independent of the subs, and get them time-aligned at the LP. This is a great solution, especially for those with just one sub, or with multiple subs that are equidistant to the LP.

Craig

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Perfection is not attainable, but if we chase perfection we can catch excellence."

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post #505 of 508 Old Yesterday, 07:19 PM
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^^^ Always fun to read about new converts. I also considered these for a long time before pulling the trigger. What pushed me over the edge was the conflict with my neighbor over the bass in my system. I don't see it talked about too often, but these actuators are extremely valuable for setting up low volume or nighttime settings. I now have my night settings dialed in to the point that it really doesn't bother me when I'm forced to use them (not just neighbor issues but watching with people who don't care for it as loud). And I've found that using a house curve with some type of DSP/EQ is even more important for night settings than full volume settings (though I use some on both).
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post #506 of 508 Old Yesterday, 09:42 PM
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Quote:
Originally Posted by craig john View Post
This is a great finding. Thanks for doing the work. You said that you can still adjust the Sub2 trim setting doing it this way. Can you also independently adjust the distance for Sub2? If so, you could "time" the transducers independent of the subs, and get them time-aligned at the LP. This is a great solution, especially for those with just one sub, or with multiple subs that are equidistant to the LP.

Craig
Yes I can still adjust the the distance for sub2 independent of sub1. I did check in the menu for the functionality of this, but I didn't mess with it too much. Having subs near field I think I got lucky with them already being time aligned.

When I went into the menu to turn on sub2 I checked where XT32 set the sub1 distance. It had it set to 8.9, and sub2 was set to .2, which is the lowest setting for distance in my AVR. I changed it to 8.9 to match sub1, and it seems to be fine.

I have a 2 year old son, so finding time to mess with things is kinda hard, but I do plan on messing with the distance settings just to confirm it does work. Like I said as of now I can physically change the distance in the menu, just need to make sure it actually does something. The way things have worked out so far I don't know why it wouldn't work.

I'll report back when I get a chance to dig into it.

Last edited by SeekingNirvana; Yesterday at 09:47 PM.
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With 500 posts, it has become hard finding specific information! Has anyone captured their optimal settings for the iNuke 3000 powering 4 Crowsons? I've read about the EQ only going down to 20Hz and then rolling off, but there seems to be a trick to compensate for that. I'm still piecing things together, but maybe someone can point me to the needle in the haystack!

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Quote:
Originally Posted by bjorg View Post
With 500 posts, it has become hard finding specific information! Has anyone captured their optimal settings for the iNuke 3000 powering 4 Crowsons? I've read about the EQ only going down to 20Hz and then rolling off, but there seems to be a trick to compensate for that. I'm still piecing things together, but maybe someone can point me to the needle in the haystack!
From what I understand the inuke actully rolls off at about 7hz, you just can't add any EQ, or change the crossover below 20hz. I don't think many people are adding any type of boost to the Crowson's, so adding any filters below 20hz shouldn't matter. The signal below 20hz will still go through the inuke and you will still feel the sensation.
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