Stereo Integrity HST-18 "MACHTSUB" BUILD - Page 10 - AVS Forum
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post #271 of 400 Old 03-01-2014, 05:05 PM
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Sounds awesome. I will have to look at some transducers again. I was wondering also if you will be uploading a video of the dragon scene?

Either way it looked like the woofers weren't even pushed that hard in all the scenes. As in pushed to Xmax. With such huge amounts of travel a mechanical clearances it would take a lot to hurt them. I had a hard time ever getting my 21's to hit Xmax because not enough power and me worrying about breaking something. SO I look forward to getting some uber displacement woofers again that I dont have to worry about breaking. Just hope I can afford the amp I will need to power them.

Again awesome buildup.smile.gif
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post #272 of 400 Old 03-01-2014, 05:25 PM
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Originally Posted by notnyt View Post

I have a box of 30 halogen floods. I'm down to 2 left. Going LED soon I guess. I need to find some that dim without being noisy.

If you're stoked now, seriously, check out some crowsons. They mix in well. Completely finishes the experience.

With the outrageous amount of "bass" you guys are able to generate with your uber drivers, would transducers really add anything meaningful to the mix?
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post #273 of 400 Old 03-01-2014, 05:28 PM
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Originally Posted by atabea View Post

With the outrageous amount of "bass" you guys are able to generate with your uber drivers, would transducers really add anything meaningful to the mix?

It's insane how much they add. Huge amount. If you know the feeling of good bass in a car, kind of like that.

I'm on a concrete slab, so there's no tactile feel through the floor. My subs also are tuned to 15hz, so it really fills in everything below that. Also the lower frequencies that aren't able to be picked out of a mix (single digit) are awesome now. +1000 crowson.
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post #274 of 400 Old 03-01-2014, 05:33 PM
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Quote:
Originally Posted by notnyt View Post

It's insane how much they add. Huge amount. If you know the feeling of good bass in a car, kind of like that.

I'm on a concrete slab, so there's no tactile feel through the floor. My subs also are tuned to 15hz, so it really fills in everything below that. Also the lower frequencies that aren't able to be picked out of a mix (single digit) are awesome now. +1000 crowson.

STOP!!!


.... making me want to buy dat Crowson. tongue.gif

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post #275 of 400 Old 03-01-2014, 05:34 PM
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Originally Posted by Scott Simonian View Post

STOP!!!


.... making me want to buy dat Crowson. tongue.gif

Do it!!

They feel even better once the carpet compressed under the plywood.

30 day money back wink.gif
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post #276 of 400 Old 03-01-2014, 05:46 PM
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Originally Posted by notnyt View Post

It's insane how much they add. Huge amount. If you know the feeling of good bass in a car, kind of like that.

I'm on a concrete slab, so there's no tactile feel through the floor. My subs also are tuned to 15hz, so it really fills in everything below that. Also the lower frequencies that aren't able to be picked out of a mix (single digit) are awesome now. +1000 crowson.

Damn, just when I thought I could take a break from buying more toys, you had to go and say that.
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post #277 of 400 Old 03-01-2014, 05:50 PM
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Damn, just when I thought I could take a break from buying more toys, you had to go and say that.

Sorry frown.gif

You'll thank me eventually.
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post #278 of 400 Old 03-01-2014, 06:02 PM - Thread Starter
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The transducers add a very neat aspect to the "feel" of the system.

Denon 4311ci with Mini DSP and antimodeL/R -DIYSOUND tempest towers (40" tall towers)C - DIYSOUND alchemy 8LS/RS - community D6MACHTSUB SYSTEM2-Stereo Integrity HST-18 D1 subs (happy dance) in dual 12 cuft ported tuned 16hzSub amp- Speakerpower SP2-12000
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post #279 of 400 Old 03-01-2014, 06:17 PM
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I hope these things are not too difficult to integrate into the system. I just took a look at some transducers and I have to do some more reading. Those Crowsons seem like the real deal--but a bit pricey.
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post #280 of 400 Old 03-01-2014, 06:56 PM
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Originally Posted by atabea View Post

I hope these things are not too difficult to integrate into the system. I just took a look at some transducers and I have to do some more reading. Those Crowsons seem like the real deal--but a bit pricey.

Was way easy for me. My receiver has 3 sub outs, #3 is for transducer. Ran that to an NU1000DSP and handled all the EQ in there. Xover in receiver @ 60hz.
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post #281 of 400 Old 03-01-2014, 07:04 PM
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Originally Posted by notnyt View Post


It's insane how much they add. Huge amount. If you know the feeling of good bass in a car, kind of like that.

I'm on a concrete slab, so there's no tactile feel through the floor. My subs also are tuned to 15hz, so it really fills in everything below that. Also the lower frequencies that aren't able to be picked out of a mix (single digit) are awesome now. +1000 crowson.

 

I feel very fortunate to have a suspended floor! 

 

Set your feet on the floor and feel the energy go right up though your body!  I can understand those with concrete floors going this route.  I have about 3000 lbs of sand in my front stage and still get that incredible feeling!  With one JTR S2 it was great.................with four UXL's I'll be in a whole different universe!!  ;)

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post #282 of 400 Old 03-01-2014, 07:39 PM
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Originally Posted by notnyt View Post

Was way easy for me. My receiver has 3 sub outs, #3 is for transducer. Ran that to an NU1000DSP and handled all the EQ in there. Xover in receiver @ 60hz.

Interesting! I see you can use a inuke instead of the dedicated Crowson amp. That is sure to make the price a bit more manageable.
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post #283 of 400 Old 03-01-2014, 07:40 PM - Thread Starter
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Originally Posted by atabea View Post

With the outrageous amount of "bass" you guys are able to generate with your uber drivers, would transducers really add anything meaningful to the mix?

I played with muting and unmuting them during scenes for my buddies. They said the transducers on make it feel louder. For what I paid for my transducers and amp I am happy, although, I'm sure the Crowsons rock.

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post #284 of 400 Old 03-01-2014, 07:56 PM - Thread Starter
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So, the summary for the day is pure happiness. I played hours and hours of material today. Music and Movies. I currently am having an issue where I still hear like I am underwater. I also felt a little sick after a few hours of receiving punishment from these subs. It was en exciting day. I equalized as best I could(without my omnimic as it was still at the office) using a nice spl meter and test tones. I was able to get it flat from 11hz to roughly 85 hz. With level constant on the receiver, I was able to get 11Hz-85Hz within about 3 db.I need to verify this as I have never had extension like this in my room. It is just sounding really great. Listening to Alice in Chains unplugged right now ans it sounds fat and punchy all over my living room and kitchen. I am so happy with this build. This is the stuff that makes it soo much fun!
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post #285 of 400 Old 03-01-2014, 08:01 PM
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It is likely you were clipping the input stage of the inuke if you were at +12dB on the bass trim.

Sounds like a LOT of fun!

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post #286 of 400 Old 03-01-2014, 08:04 PM
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post #287 of 400 Old 03-01-2014, 08:35 PM
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Originally Posted by Scott Simonian View Post

STOP!!!


.... making me want to buy dat Crowson. tongue.gif

It's futile to resist. These pricks had me talked into a pair after about 30 minutes. tongue.gif

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post #288 of 400 Old 03-01-2014, 08:57 PM - Thread Starter
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http://youtu.be/m0Pj9hwmy7Y

Some 10hz-14hz test tones to show excursion. I was too chicken to go any further. Lots of air out of the ports. Video does not do the excursion justice. These puppies were moving!

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post #289 of 400 Old 03-01-2014, 09:02 PM - Thread Starter
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Originally Posted by notnyt View Post

You're boosting below your tuning, careful! I wouldn't be doing that.

When eq ing I only needed to add 3.5db at 55hz q1.1 so far. I measured almost identical db from 11hz up (within 3db c weighted) but I then engaged a 14hz high pass for protection.

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post #290 of 400 Old 03-01-2014, 09:08 PM
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post #291 of 400 Old 03-01-2014, 09:13 PM
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Originally Posted by pdxrealtor View Post

FWIW, since Nick doesn't want to deal with it, Sundown will custom build the zv4. With enough research and questions asked it's a real simple fix to get a similar spec zv4.

You can try, but they won't be the same was the OP has. If you want a stiffer suspension than what the OP has you can achieve it easily by purchasing a stock Sundown Zv4. Even the X series from Sundown isn't as compliant as what we built for the OP.
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post #292 of 400 Old 03-01-2014, 09:14 PM
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http://youtu.be/m0Pj9hwmy7Y

Some 10hz-14hz test tones to show excursion. I was too chicken to go any further. Lots of air out of the ports. Video does not do the excursion justice. These puppies were moving!

Haha, cool video! You had them moving pretty good. cool.gif
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post #293 of 400 Old 03-01-2014, 09:21 PM
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I like the video lots of excursion and it seems a lot of air from the ports.
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post #294 of 400 Old 03-01-2014, 09:24 PM - Thread Starter
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Haha, cool video! You had them moving pretty good. cool.gif

Hey man! I am loving every minute of these subwoofers if you can't tell. You build me some serious home theater wooferage. Amazing driver! Thank you thank you thank you....
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post #295 of 400 Old 03-01-2014, 09:30 PM
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It's futile to resist. These pricks had me talked into a pair after about 30 minutes. tongue.gif
Did you ever get yours?
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post #296 of 400 Old 03-01-2014, 09:36 PM
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No, but, it's a simple downsize of the ZV4 spider. Right?If I spent two more minutes talking to Jacob F. I'd know more than you care to share. Jerk.................

Wow. No, it's not a down-sizing of the spider. The spider landing is the same diameter, just less layers, which is why I said the X spider is a softer spider than the Zv4.
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post #297 of 400 Old 03-01-2014, 09:38 PM
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Did you ever get yours?

I did. Hopefully I'll get my sub box finished up by end of next week and I can start working on getting them installed and my mains back together. Then time for tuning, tweaking, testing, and twerking...... wait, what? biggrin.gif

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post #298 of 400 Old 03-01-2014, 09:47 PM
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Originally Posted by Electrodynamic View Post

Wow. No, it's not a down-sizing of the spider. The spider landing is the same diameter, just less layers, which is why I said the X spider is a softer spider than the Zv4.

You are so talkative tonight.

If the zv4 is a five layer

and

the x is a 4 layer

what is the ................. HST?

Again I ask as others do- if you want nothing to do with the HST at least make some money off the zv4 drop in recone.

Maybe you could do this crazy thing we hear about and set up a shopping cart for an HT ZV4 option. 10" or 10 and 1/8" spider?

rolleyes.gif

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post #299 of 400 Old 03-01-2014, 10:06 PM
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Originally Posted by pdxrealtor View Post

You are so talkative tonight.

If the zv4 is a five layer

and

the x is a 4 layer

what is the ................. HST?

Again I ask as others do- if you want nothing to do with the HST at least make some money off the zv4 drop in recone.

Maybe you could do this crazy thing we hear about and set up a shopping cart for an HT ZV4 option. 10" or 10 and 1/8" spider?

rolleyes.gif
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Originally Posted by pdxrealtor View Post

I can see Jacob relayed my communications with him. Cool, if not, cool too.

The simple fact is the HST is a zv4 with nothing more than a simple spider change. A spider change which I can get from SPI.

You appear to have more information on the spider than I do. Maybe you/SPI could offer it to this forum?
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post #300 of 400 Old 03-01-2014, 10:08 PM
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That's not my job. Why don't you make the zv4 modded driver available to the enthusiasts who desire it ?????????????

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