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post #271 of 752 Old 11-09-2011, 05:14 AM
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Originally Posted by Kanaris View Post

You guys better use something thicker than a 3/4" box to house a 75 pound driver with an xmax of over 30 mm... I would double up all sides of the box and triple the face where the driver will be sitting.

I used 4" concrete in my 7.3 m3 box for similar drivers.
http://www.curtpalme.com/forum/viewt...23424&start=40
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post #272 of 752 Old 11-09-2011, 11:12 AM
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Quote:
Originally Posted by Kanaris View Post

You guys better use something thicker than a 3/4" box to house a 75 pound driver with an xmax of over 30 mm... I would double up all sides of the box and triple the face where the driver will be sitting.

Avoid mdf for the baffle side. But yeah beefy box is a must!

I got something special in mind for mine.

Matt

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post #273 of 752 Old 11-09-2011, 11:34 AM
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Quote:
Originally Posted by Ile View Post

I used 4" concrete in my 7.3 m3 box for similar drivers.
http://www.curtpalme.com/forum/viewt...23424&start=40



Wow... that is amazing...

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post #274 of 752 Old 11-15-2011, 08:13 AM
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any more news of additional Pi18's showing up damaged? I saw on HTS a guy had one where the pole piece was severely shifted inside the VC and had to send two back...Any good stories of perfectly working ones?

(European models do not accept banana plugs.)

 

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post #275 of 752 Old 11-15-2011, 10:27 AM
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Originally Posted by beastaudio View Post

any more news of additional Pi18's showing up damaged? I saw on HTS a guy had one where the pole piece was severely shifted inside the VC and had to send two back...Any good stories of perfectly working ones?

So was the damage from shipping or construction?
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post #276 of 752 Old 11-24-2011, 03:13 PM
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Any new word on these drivers? I'm very interested in adding either the 18 or the 21 to my theatre.
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post #277 of 752 Old 11-24-2011, 04:41 PM
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Originally Posted by H8TWRK View Post

Any new word on these drivers? I'm very interested in adding either the 18 or the 21 to my theatre.

Email mark. He's really prompt. We jut got params for the 21s

18s are shipping. Not sure what you are looking I find out.

Matt

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post #278 of 752 Old 11-24-2011, 05:12 PM
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Last I read, these were showing up damaged, and then the thread died. I don't see any builds either.
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post #279 of 752 Old 11-25-2011, 09:29 AM
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Originally Posted by A9X-308 View Post

So was the damage from shipping or construction?

shipping was what he deduced, i mean it was WAY out of line.

(European models do not accept banana plugs.)

 

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post #280 of 752 Old 11-26-2011, 12:21 AM
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Quote:
Originally Posted by beastaudio View Post

shipping was what he deduced, i mean it was WAY out of line.

Cheers. The reason for asking was that if the damage was due to poor design, or poor packing then they deserve a slap and to be told to get their act together.

If the driver design is fine, and the shipping packaging is reasonable to keep the driver safe, then maybe a different shipper or some other solution is needed.

There are few manufacturers of drivers like these left any more and I didn't want it to spread unnecessarily/mistakenly (eg random google searches finding the thread) that there was something wrong with the drivers themselves if it were simply crap shippers, and possibly damage sales.
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post #281 of 752 Old 11-26-2011, 02:06 PM
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quite true, wouldnt want that either, I think it is more along the lines of the driver is just fine, but the packaging and possibly the shipping company issues as you suggested need to be looked into and dealt with. I know mach5 doesnt want all their drivers being sent back to them damaged from bad shipping so im sure they will do what they have to to protect the drivers even more.

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post #282 of 752 Old 11-26-2011, 03:26 PM
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i asked mark about the shipping issues in relation to the 21's and he said they will be packaged very well... here's hopin'

Matt

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post #283 of 752 Old 11-26-2011, 07:26 PM
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Mark said he will add mine to the pallet that will be coming here with the order of 19's so hopefully that will aid mine in being protected. Either way international shipping sucks.
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post #284 of 752 Old 11-26-2011, 08:37 PM
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Is Mark sending a whole pallet down here? Do you know when this is happening? Who is going to distribute the pallet? I'm still waiting on my two pi18's.

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post #285 of 752 Old 11-26-2011, 08:39 PM
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Quote:
Originally Posted by DL86 View Post

Is Mark sending a whole pallet down here? Do you know when this is happening? Who is going to distribute the pallet? I'm still waiting on my two pi18's.

How long since you ordered?
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post #286 of 752 Old 11-26-2011, 09:34 PM
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October 15th.

To improve the black level performance of your projector: Shine bright light into your eyes every 5 minutes.
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post #287 of 752 Old 11-27-2011, 12:54 AM
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Quote:
Originally Posted by DL86 View Post

Is Mark sending a whole pallet down here? Do you know when this is happening? Who is going to distribute the pallet? I'm still waiting on my two pi18's.

I emailled Sam at Affordable Drivers the day the Pi18 were released and this is what I received in reply.

"Thanks for your enquiry. Yes, we certainly will be stocking these and I anticipate with the different dust-cap options.

If you sign-up for our newsletter (front page left-hand bottom corner) you will receive updates on when the stock will be arriving, options available and purchase price.

I'd certainly recommend waiting for the Pi-18s to arrive as the problem with importing is the cost and time associated with returning items if they are faulty.

All the best. "

Still not heard anything but I really didn't expect to until they'd at least landed.
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post #288 of 752 Old 11-27-2011, 03:02 AM
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Yah I dont when it will be shipped thats just what Mark told me. I figure still another month. But thats just what I am thinking.
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post #289 of 752 Old 11-27-2011, 12:17 PM - Thread Starter
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Well, I think I'm going to do a PR design with my pi21's. It will add about $650 on to the project but I've never used a pr design and figure since moneys not much of an issue anymore, I may as well do it up! CCS has the mal-x 21 pr's for $150 each. This could be a sweet project. Now I just have to figure out how big and low i want the design to be.
The best part is, I get to drive 10 minutes from my house and just pick them up hehehe!

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post #290 of 752 Old 11-27-2011, 08:11 PM
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Always thought a dual PR would be nice but for me I would end up going as low as I could with the tuning which might not be a good thing for a smaller type cab. But thats just me and I dont know how to use the PR's.
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post #291 of 752 Old 11-27-2011, 09:36 PM
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Quote:
Originally Posted by chrapladm View Post

Always thought a dual PR would be nice but for me I would end up going as low as I could with the tuning which might not be a good thing for a smaller type cab. But thats just me and I dont know how to use the PR's.

Out as much weight as you can on them in the biggest enclosure you can.

I think I need to buy like 20 of these guys and build a bunch of different designs.

My god. I'm going to kill myself by destroying my house. Lol


Matt

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post #292 of 752 Old 11-27-2011, 09:39 PM
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Matt you just need a dedicated theater.

I wish I could build mine now and then just build my wall of subs. But with things rocky around here(relationship) its usually not on the first things to buy.
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post #293 of 752 Old 11-28-2011, 08:12 AM
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Originally Posted by chrapladm View Post

Matt you just need a dedicated theater.

I wish I could build mine now and then just build my wall of subs. But with things rocky around here(relationship) its usually not on the first things to buy.

When things got rocky around here, the HT build was the only thing that kept me sane for a few months...

(European models do not accept banana plugs.)

 

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post #294 of 752 Old 11-28-2011, 08:44 AM
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Does anyone know if MACH5 has a linear motor driver in the works like the MaelX?
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post #295 of 752 Old 11-28-2011, 09:11 PM
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Mark needs a marketing director. He could sell a whole lot of these if info was available. Where is the news coming from?

War Eagle!
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post #296 of 752 Old 11-29-2011, 02:50 AM
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Quote:
Originally Posted by Ile View Post

I used 4" concrete in my 7.3 m3 box for similar drivers.
http://www.curtpalme.com/forum/viewt...23424&start=40

now thats just F'in awesome
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post #297 of 752 Old 11-29-2011, 02:53 AM
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Does anyone know if MACH5 has a linear motor driver in the works like the MaelX?

isn't the Xmax on these 32 or more mm? IDK if they use shorting rings or anything like that, but to me... whther a driver is Xmax 32mm cuz of over hung, under hung, XBL^2, split gap, split coil, whatever what not...it's linear to 32mm.
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post #298 of 752 Old 11-29-2011, 11:03 AM
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Originally Posted by kryptonitewhite View Post


isn't the Xmax on these 32 or more mm? IDK if they use shorting rings or anything like that, but to me... whther a driver is Xmax 32mm cuz of over hung, under hung, XBL^2, split gap, split coil, whatever what not...it's linear to 32mm.

34mm xmax

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post #299 of 752 Old 11-29-2011, 11:21 AM
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Quote:
Originally Posted by kryptonitewhite View Post

isn't the Xmax on these 32 or more mm? IDK if they use shorting rings or anything like that, but to me... whther a driver is Xmax 32mm cuz of over hung, under hung, XBL^2, split gap, split coil, whatever what not...it's linear to 32mm.

In the absence of actual measured results to assume the Xmax of any driver means it's linear to that excursion is wishful thinking.

Stated Xmax more often than not is simply a relationship between the voice coil length and the gap depth.
Hvc + Hg/2
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post #300 of 752 Old 11-29-2011, 02:01 PM
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Many mfgr's define xmax as the point where BL is 70% of max.

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