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Forum: DIY Speakers and Subs   02-25-2015, 02:31 PM
Replies: 34
  HzHorn
Views: 736
Posted By mtg90
Yes what Ricci is saying is you have to add an...

Yes what Ricci is saying is you have to add an additional flare to the horn simulation. For your horn S3 gets moved up to the right side of S2 and the driver on that drawing, S4 is now where S3 was,...
Forum: DIY Speakers and Subs   02-23-2015, 12:11 AM
Replies: 9
Views: 140
Posted By mtg90
Not custom printed, but custom milled. :) ...

Not custom printed, but custom milled. :)

Have not done 88-special yet.

https://www.youtube.com/watch?v=0so6Kf6yIPc
...
Forum: DIY Speakers and Subs   02-22-2015, 11:58 PM
Replies: 3
Views: 63
Posted By mtg90
Only issue I see is in the middle I can't quite...

Only issue I see is in the middle I can't quite tell how you have the woofer's parallel leg (cap + resistor) wired up to the negative.
Should go like this:...
Forum: DIY Speakers and Subs   02-22-2015, 02:37 PM
Replies: 361
Views: 11,985
Posted By mtg90
If it is enclosure is pretty clear from the...

If it is enclosure is pretty clear from the woofers down to the port I doubt that is the issue. Likely is has to do with location in the room and a possible dip in the response around 60-80hz at the...
Forum: DIY Speakers and Subs   02-20-2015, 04:38 PM
Replies: 361
Views: 11,985
Posted By mtg90
The mistake Samps made did not alter the transfer...

The mistake Samps made did not alter the transfer function of the HF network too much, so it still sounded like it should have. However it did short a resistor to ground causing unnecessary power...
Forum: DIY Speakers and Subs   02-18-2015, 01:25 PM
Replies: 29
Views: 552
Posted By mtg90
Trouble is that hole saws do not work well in a...

Trouble is that hole saws do not work well in a drill press. I found you need to give them a bit of a rocking motion with a handheld drill to help clear to waste otherwise it builds up in front of...
Forum: DIY Speakers and Subs   02-16-2015, 09:00 PM
Replies: 44
Views: 1,268
Posted By mtg90
Lots of pics, nice! Did you get the new...

Lots of pics, nice!

Did you get the new Volt-10LX's? The cone sure looks darker like the new drivers.
Forum: DIY Speakers and Subs   02-14-2015, 03:43 PM
Replies: 30
Views: 527
Posted By mtg90
You could try applying a 150-200hz lowpass filter...

You could try applying a 150-200hz lowpass filter to the subs within the inuke to cut down on that noise/hissing. Though the delay it introduces might require some adjustment of the subwoofer...
Forum: DIY Speakers and Subs   02-14-2015, 01:29 PM
Replies: 361
Views: 11,985
Posted By mtg90
It is press fit style, should be tight enough to...

It is press fit style, should be tight enough to stay in by itself without any glue.
Forum: DIY Speakers and Subs   02-14-2015, 12:26 PM
Replies: 17
Views: 491
Posted By mtg90
The new crossover was developed after finished I...

The new crossover was developed after finished I figured out how to refine a couple things with the two additional parts while working on the volt-6 and 10LX. The Volt-10 LX will eventually replace...
Forum: DIY Speakers and Subs   02-14-2015, 10:50 AM
Replies: 361
Views: 11,985
Posted By mtg90
Oops, sorry. I try to do that on all the...

Oops, sorry.

I try to do that on all the crossovers I build to minimize the reverse polarity confusion during assembly but sometimes it makes things worse. The point was that someone could then...
Forum: DIY Speakers and Subs   02-14-2015, 10:31 AM
Replies: 361
Views: 11,985
Posted By mtg90
I think crossover location looks good, that about...

I think crossover location looks good, that about where I imagined they would go. No problem sticking it right next to the foam either

I was estimating the driver/input lead length based on the...
Forum: DIY Speakers and Subs   02-14-2015, 10:15 AM
Replies: 17
Views: 491
Posted By mtg90
Also in there: "Note (2-5-2015): If you...

Also in there:

"Note (2-5-2015): If you have the original Volt-10 and would like to try an upgraded crossover similar to one utilized in the new Volt-10LX please contact me for the new crossover...
Forum: DIY Speakers and Subs   02-13-2015, 08:22 PM
Replies: 12,189
Views: 826,995
Posted By mtg90
That's what I've done in the past, thanks Bill! ...

That's what I've done in the past, thanks Bill!

One trick I found is that if you put the measurement angle at the end of the name when saving the frd file example: "SEOS-15 DNA-360 2.83v 1m...
Forum: DIY Speakers and Subs   02-09-2015, 11:12 PM
Replies: 1,232
Views: 82,065
Posted By mtg90
I don't know how many people have bought them if...

I don't know how many people have bought them if any yet.

I can say the Concentric-8 is a big jump in SQ over the volts, the HF driver has super low odd order distortion and is flat past 20k due...
Forum: DIY Speakers and Subs   02-08-2015, 04:18 PM
Replies: 46
Views: 702
Posted By mtg90
To get measurement info useful for crossover...

To get measurement info useful for crossover design you need to have the mic back far enough so that you are close to being on axis for both of the drivers (usually centered somewhere between them)...
Forum: DIY Speakers and Subs   02-07-2015, 10:39 AM
Replies: 2
Views: 74
Posted By mtg90
Did you move the mic or speaker between running...

Did you move the mic or speaker between running the different sweeps, or was it at the same position for both?

When I test this I run cables out of the enclosure and have the crossover external. ...
Forum: DIY Speakers and Subs   02-07-2015, 10:27 AM
Replies: 1,232
Views: 82,065
Posted By mtg90
I added a bit more info to the DIYSG thread about...

I added a bit more info to the DIYSG thread about the Volt-10LX, post #3 (http://www.avsforum.com/forum/usertag.php?do=list&action=hash&hash=3) which I'll fill out as a Q/A post as more common...
Forum: DIY Speakers and Subs   02-05-2015, 08:12 PM
Replies: 1,232
Views: 82,065
Posted By mtg90
I have added a bit about this to the Volt design...

I have added a bit about this to the Volt design thread on the DIYSG forum, http://www.diysoundgroup.com/forum/index.php?topic=486.0

Basically yes you can upgrade your stock Volt-10 to the newer...
Forum: DIY Speakers and Subs   02-05-2015, 02:18 PM
Replies: 23
Views: 440
Posted By mtg90
I'd say if it's not going too much trouble for...

I'd say if it's not going too much trouble for you to cut and rotate I would do that. For LCR I feel the best soundstage will be achieved by using identical speakers on the same vertical plane. ...
Forum: DIY Speakers and Subs   02-05-2015, 01:36 PM
Replies: 361
Views: 11,985
Posted By mtg90
The way it works out the Fusion-6 MTM center will...

The way it works out the Fusion-6 MTM center will get just as loud as the regular Fusion-6 when connected to the same amp at the same volume level. You do not have to worry about your AVR not having...
Forum: DIY Speakers and Subs   02-05-2015, 01:08 PM
Replies: 1,232
Views: 82,065
Posted By mtg90
The T/S specs of the Volt-10LX driver are pretty...

The T/S specs of the Volt-10LX driver are pretty close to the Beta-10CX, this was done so that they would work in the enclosures already designed.
Forum: DIY Speakers and Subs   02-01-2015, 03:55 PM
Replies: 204
Views: 6,387
Posted By mtg90
Pretty sure it is this one, or at least a custom...

Pretty sure it is this one, or at least a custom one from that company:
http://www.precision-devices.com/Product-Details/PD2450
Forum: DIY Speakers and Subs   02-01-2015, 03:37 PM
Replies: 1,047
Views: 72,347
Posted By mtg90
Here is a link to a design page for the design I...

Here is a link to a design page for the design I did for NWCgrad,

http://www.diysoundgroup.com/forum/index.php?topic=506.0
Forum: DIY Speakers and Subs   01-29-2015, 09:52 PM
Replies: 204
Views: 6,387
Posted By mtg90
That is not "plenty of cooling off time" at all...

That is not "plenty of cooling off time" at all and that is true for pretty much every driver. The coil on the SI24 is pretty massive and as such it can suck up and hold a lot of heat, 10min between...
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