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Search: Keyword(s): ; Posts Made By: Luke Kamp
Forum: DIY Speakers and Subs   01-19-2016, 04:12 PM
Replies: 25
Views: 370
Posted By Luke Kamp
Your opening comment made it sound like its was...

Your opening comment made it sound like its was just because of electonics roll off, and thats not the case. T/S parameters changing with high drive level, power compression... aren't taken into...
Forum: DIY Speakers and Subs   01-15-2016, 04:21 PM
Replies: 74
Views: 995
Posted By Luke Kamp
Alright so you want a midbass horn design. What...

Alright so you want a midbass horn design. What frequency range are you looking to cover and at what spl levels?
Forum: DIY Speakers and Subs   01-15-2016, 04:03 PM
Replies: 74
Views: 995
Posted By Luke Kamp
You have given no goals, size, driver info, how...

You have given no goals, size, driver info, how you are going to do a crossover... You have pretty much stated you want to build a frankenspeaker with no more info. What is the question and how can...
Forum: Subwoofers, Bass, and Transducers   01-10-2016, 11:30 AM
Replies: 9
Views: 371
Posted By Luke Kamp
Hi Jonny and welcome to the forum. The builds are...

Hi Jonny and welcome to the forum. The builds are in the DIY section and there are many with large amounts of displacement. Movement/subsonics comes from displacement and using half of your drivers...
Forum: DIY Speakers and Subs   01-08-2016, 04:59 PM
Replies: 13
Views: 299
Posted By Luke Kamp
Room acoustics is a broad and involving topic....

Room acoustics is a broad and involving topic. Here are some links I posted previously in another thread to start you down the rabbit hole.
...
Forum: DIY Speakers and Subs   01-08-2016, 01:55 PM
Replies: 13
Views: 299
Posted By Luke Kamp
Like I stated in the other thread, could we see...

Like I stated in the other thread, could we see graphs of each location with no eq and at same drive level? With the Um 18 being tested in about the same size enclosure on DB, we can see your rooms...
Forum: DIY Speakers and Subs   01-07-2016, 02:54 PM
Replies: 118
Views: 2,554
Posted By Luke Kamp
I would like to see measurements of a single sub...

I would like to see measurements of a single sub at the same drive level at different locations. This way you can pick the best two locations to compliment each other and then work on integrating...
Forum: DIY Speakers and Subs   12-28-2015, 11:13 AM
Replies: 34
Views: 401
Posted By Luke Kamp
http://www.avsforum.com/forum/113-subwoofers-bass-...

http://www.avsforum.com/forum/113-subwoofers-bass-transducers/2151538-flat-response-better.html

Is this what you are talking about? Having a flat response before the room? Since winisd doesn't...
Forum: DIY Speakers and Subs   12-27-2015, 10:15 AM
Replies: 34
Views: 401
Posted By Luke Kamp
http://www.hometheatershack.com/forums/diy-subwoof...

http://www.hometheatershack.com/forums/diy-subwoofers-general-discussion/14410-downloadable-winisd-pro-files-4.html

WinISD and the T/S parameters are in post 38.
...
Forum: DIY Speakers and Subs   12-21-2015, 06:31 PM
Replies: 26
Views: 405
Posted By Luke Kamp
I think going from a single 15" ported to dual...

I think going from a single 15" ported to dual 18" sealed in seperate locations would be worth it even on concrete. If you have a way to measure response you can set delays then eq for optimal...
Forum: DIY Speakers and Subs   12-21-2015, 11:38 AM
Replies: 26
Views: 405
Posted By Luke Kamp
The equal loudness is about sound level, not...

The equal loudness is about sound level, not feel. Here is a good post by Ricci from Data-bass, I pulled it from this thread....
Forum: Area Home Theater Meets   12-18-2015, 05:44 PM
Replies: 3,122
Views: 47,522
Posted By Luke Kamp
I thought the beer was good as I had like 5...

I thought the beer was good as I had like 5 pints. It's a white ipa and light on the hops. The glasses were $6 and they probably sell them until they are gone. Im pretty sure they said they had...
Forum: Area Home Theater Meets   12-18-2015, 02:30 PM
Replies: 3,122
Views: 47,522
Posted By Luke Kamp
Sent a pic to your phone.:)

Sent a pic to your phone.:)
Forum: Area Home Theater Meets   12-18-2015, 02:05 PM
Replies: 3,122
Views: 47,522
Posted By Luke Kamp
I have it on PS4 and level ~45 with 1.5k/d and do...

I have it on PS4 and level ~45 with 1.5k/d and do a lot of blast. Cobbslide is PSN if anyone wants to play. Had a good time playing Gauntlet with Stitch and Archaea the other day. You guys want to do...
Forum: Area Home Theater Meets   12-18-2015, 12:43 PM
Replies: 3,122
Views: 47,522
Posted By Luke Kamp
I went to the Screenland Armour in their small...

I went to the Screenland Armour in their small theater. I was not impressed with their A/V at all. The screen looked like a jersey and was a poor choice for the seats being that close. Its a cool...
Forum: Area Home Theater Meets   12-17-2015, 10:55 AM
Replies: 3,122
Views: 47,522
Posted By Luke Kamp
Haha, it doubles as my yearly Halloween costume...

Haha, it doubles as my yearly Halloween costume or if I want my wife to leave me alone. :p

"Featuring a special collaboration beer brewed (Torn Label Brewing Co. for a Screenland-exclusive...
Forum: Area Home Theater Meets   12-16-2015, 01:03 PM
Replies: 3,122
Views: 47,522
Posted By Luke Kamp
I am going to Screenland Armour 7:00pm showing...

I am going to Screenland Armour 7:00pm showing tomorrow. That is really cool about The Hateful Eight in 70mm, going to try and make it to that.

"You will enjoy the show" Haha
...
Forum: DIY Speakers and Subs   12-15-2015, 10:23 AM
Replies: 11
Views: 532
Posted By Luke Kamp
Here is a good read on the subject. ...

Here is a good read on the subject.

http://www.avsforum.com/forum/113-subwoofers-bass-transducers/1477487-if-you-needed-_4_hz-room-but-could-pick-room-how-would-you.html
Forum: Area Home Theater Meets   11-28-2015, 06:58 PM
Replies: 3,122
Views: 47,522
Posted By Luke Kamp
9 inches at 10 feet is ~4 degrees off axis and...

9 inches at 10 feet is ~4 degrees off axis and shouldn't be a big deal. Many have their speakers above ear level and angled down.

If thats only a couple inches of light leak you could try angling...
Forum: Area Home Theater Meets   11-27-2015, 12:28 PM
Replies: 3,122
Views: 47,522
Posted By Luke Kamp
Great sound design IMO and I just turn up the MLV...

Great sound design IMO and I just turn up the MLV for this clean dynamic flick. Question though, how long do you think Elysium will be a sustainable ecosystem post ending of movie?:D
Forum: Area Home Theater Meets   11-27-2015, 12:12 PM
Replies: 3,122
Views: 47,522
Posted By Luke Kamp
Hi Shreds, good to see you here. Like I have seen...

Hi Shreds, good to see you here. Like I have seen Bosso mention in the past, the big scenes such as the 1:45 scew the graph of the whole movie a bit with the really hot 30-60 hz bass. It still has...
Forum: Area Home Theater Meets   11-26-2015, 09:39 PM
Replies: 3,122
Views: 47,522
Posted By Luke Kamp
Fatshaft graphed it a while ago. Not a big ulf...

Fatshaft graphed it a while ago. Not a big ulf movie, but strong bass throughout.

http://www.avsforum.com/forum/attachment.php?attachmentid=985561&d=1444429317
Forum: Area Home Theater Meets   11-25-2015, 03:39 PM
Replies: 3,122
Views: 47,522
Posted By Luke Kamp
I used black thumb tacks to put up velvet above...

I used black thumb tacks to put up velvet above my screen and it has worked fine. Light reflecting from your screen onto surfaces back onto the screen will be a bigger problem than the white ceiling...
Forum: Area Home Theater Meets   11-25-2015, 03:06 PM
Replies: 3,122
Views: 47,522
Posted By Luke Kamp
I like this article on projection screen material...

I like this article on projection screen material report.

http://www.accucalhd.com/wp-content/uploads/2015/01/accucal_front_projection_screen_report.pdf#search=%22screen report%22
Forum: Area Home Theater Meets   11-25-2015, 01:20 PM
Replies: 3,122
Views: 47,522
Posted By Luke Kamp
Is your surround driver 1.4 feet from a boundary?...

Is your surround driver 1.4 feet from a boundary? If so it's 1/4 wavelength sbir cancellation. I myself don't worry too much about surrounds frequency response and focus on the front three.

This...
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