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Search: Posts Made By: lilmike
Forum: DIY Speakers and Subs   04-06-2015, 05:37 PM
Replies: 63
Views: 2,381
Posted By lilmike
I'd recommend wiring it 8-ohm, running things...

I'd recommend wiring it 8-ohm, running things stereo. The amp will run cooler and the amp's stereo power output matches the needs of the sub.

When bridged, the NU3000DSP will be too much amp for...
Forum: DIY Speakers and Subs   04-02-2015, 03:08 PM
Replies: 241
Views: 8,880
Posted By lilmike
Marty-waves...

Marty-waves...
Forum: DIY Speakers and Subs   04-02-2015, 11:45 AM
Replies: 31
Views: 697
Posted By lilmike
L O L I'm a nobody... If I could...

L O L

I'm a nobody...

If I could complete a design in 8 hours, I'd be thrilled.

These things take me far longer than that.
Forum: DIY Speakers and Subs   04-02-2015, 11:40 AM
Replies: 946
Views: 207,787
Posted By lilmike
If planning to use a 10 in it, the PicoWrecker ...

If planning to use a 10 in it, the PicoWrecker (http://www.avsforum.com/forum/155-diy-speakers-subs/1654961-lilmike-s-picowrecker.html)might be a better choice.

Sure, it is still a work in...
Forum: DIY Speakers and Subs   04-02-2015, 09:09 AM
Replies: 946
Views: 207,787
Posted By lilmike
No need for any angle cuts....

No need for any angle cuts. (http://www.avsforum.com/forum/155-diy-speakers-subs/1238398-reed-exodus-anarchy-25hz-tapped-horn-2.html#post18392877)

Layout is simply point to point, locating each...
Forum: DIY Speakers and Subs   04-02-2015, 08:55 AM
Replies: 724
Views: 56,116
Posted By lilmike
Doesn't quite work that way, because power and...

Doesn't quite work that way, because power and SPL have a logarithmic relationship.

Log 1500 - log 500 = 0.47

0.47*10 = 4.7 dB increase

So, tripling the power nets you about 5 dB. It's...
Forum: DIY Speakers and Subs   04-01-2015, 09:09 PM
Replies: 14
Views: 518
Posted By lilmike
I'm able to do a little bit better than that on...

I'm able to do a little bit better than that on the 3/4, but not as good as I thought on the 1/2.

Just checked my last Compton's receipt

1/2 is $35.20

3/4 is $49.94
Forum: DIY Speakers and Subs   04-01-2015, 07:12 PM
Replies: 241
Views: 8,880
Posted By lilmike
Thinking she'll be more of a mauve...

Thinking she'll be more of a mauve...
Forum: DIY Speakers and Subs   04-01-2015, 01:58 PM
Replies: 241
Views: 8,880
Posted By lilmike
Penelope was on the list I considered, also...

Penelope was on the list I considered, also thought about Madge.
Forum: DIY Speakers and Subs   04-01-2015, 12:49 PM
Replies: 241
Views: 8,880
Posted By lilmike
But what if the placement is "sub"optimal? ...

But what if the placement is "sub"optimal?

Seriously? A "Marty stage"? I can't even come up with a meme for this.

OK, so it appears that I can...
...
Forum: DIY Speakers and Subs   04-01-2015, 11:52 AM
Replies: 724
Views: 56,116
Posted By lilmike
Fi Q 15 added to proven drivers per cecaa850. ...

Fi Q 15 added to proven drivers per cecaa850.

If you opt for the Fi, I recommend plain vanilla, no added options.
Forum: DIY Speakers and Subs   04-01-2015, 10:02 AM
Replies: 26
Views: 2,719
Posted By lilmike
Yup. Measured from the wrong point. ...

Yup.

Measured from the wrong point.

All updated.
Forum: DIY Speakers and Subs   04-01-2015, 09:35 AM
Replies: 26
Views: 2,719
Posted By lilmike
Note to all - I might have messed up the cutlist...

Note to all - I might have messed up the cutlist on the V6d package.

I'll check this and verify as soon as I have the time to do so.

By the way, here's the nearfield (red) compared to the model...
Forum: DIY Speakers and Subs   04-01-2015, 09:33 AM
Replies: 946
Views: 207,787
Posted By lilmike
Pretty sure I said no angle cuts needed...

Pretty sure I said no angle cuts needed somewhere, I certainly didn't bevel anything.

If you're really worried about cutting the angles, you can measure them in sketchup.
Forum: DIY Speakers and Subs   04-01-2015, 08:51 AM
Replies: 241
Views: 8,880
Posted By lilmike
Late to the Marty party, as usual... Stupid...

Late to the Marty party, as usual...

Stupid timezones, barely even at my desk, and I haven't even taken a sip of my coffee...
...
Forum: DIY Speakers and Subs   03-31-2015, 02:58 PM
Replies: 60
Views: 12,327
Posted By lilmike
Use it and make with the measurements already... ...

Use it and make with the measurements already...

Chop chop...

The driver is a bugger if you have anything else (like a DATS or Woofer Tester 2) that also happen to have the Burr Brown 2902 op...
Forum: DIY Speakers and Subs   03-29-2015, 02:09 PM
Replies: 1,788
Views: 205,722
Posted By lilmike
Like tsloms, I chuck the tap into my cordless...

Like tsloms, I chuck the tap into my cordless drill and chase each insert. I only chase mine after they're installed in the baffle though.

With my cordless, I set the clutch pretty loose so that...
Forum: DIY Speakers and Subs   03-29-2015, 09:41 AM
Replies: 60
Views: 12,327
Posted By lilmike
The peak should still be evident, even with the...

The peak should still be evident, even with the increasing noise due to the crosstalk in the UCA202. I'm not sure that the subtraction approach will work, but it might. Another approach would be to...
Forum: DIY Speakers and Subs   03-29-2015, 09:22 AM
Replies: 1,788
Views: 205,722
Posted By lilmike
Normal mounting won't work, unless we put the...

Normal mounting won't work, unless we put the hatch on the throat of the horn and drop the driver through the throat. I chose to have the hatch in the chamber, which is pretty conventional for a FLH....
Forum: DIY Speakers and Subs   03-28-2015, 09:16 PM
Replies: 1,788
Views: 205,722
Posted By lilmike
No idea. I don't tend to keep things around...

No idea.

I don't tend to keep things around all that long. I've had several pairs of T-6s with drivers horizontal out in the wild for 4 years or so, no complaints so far.
Forum: DIY Speakers and Subs   03-28-2015, 08:51 AM
Replies: 1,788
Views: 205,722
Posted By lilmike
There's a method to check drivers that was put...

There's a method to check drivers that was put forth by Dan Wiggins a while back. It is based on Cms, Mms, and gravitational acceleration, though units may trip you up if you're not careful. These...
Forum: DIY Speakers and Subs   03-27-2015, 05:45 PM
Replies: 1,788
Views: 205,722
Posted By lilmike
Actually, I didn't. All I did was calculate...

Actually, I didn't.

All I did was calculate a side-mouth of an appropriate area for the horn and draw that on the horn side. As I recall (and I didn't go back and read the thread) dutch had a...
Forum: DIY Speakers and Subs   03-23-2015, 07:38 PM
Replies: 724
Views: 56,116
Posted By lilmike
In a nutshell, the port has to be large enough to...

In a nutshell, the port has to be large enough to function as a port, not just be a leak in the box. It has been my experience that more displacement requires more port area for the same tune.
...
Forum: DIY Speakers and Subs   03-23-2015, 06:41 PM
Replies: 724
Views: 56,116
Posted By lilmike
Ports compress unless they're huge, and when...

Ports compress unless they're huge, and when they're huge, the build isn't simple.
Forum: DIY Speakers and Subs   03-21-2015, 03:28 PM
Replies: 724
Views: 56,116
Posted By lilmike
Not as active on the forums as I used to be,...

Not as active on the forums as I used to be, sorry. No time for speaker R&D like I used to, and certainly no time to deal with another design/build thread.

The thread that was linked a couple...
Showing results 1 to 25 of 2224

 
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