AVS Forum - Search Results
Showing results 1 to 25 of 133
Search took 0.07 seconds.
Search: Posts Made By: usil
Forum: DIY Speakers and Subs   01-14-2011, 07:55 PM
Replies: 116
Views: 16,912
Posted By usil
If you want a tweeter without the 'wierdness'...

If you want a tweeter without the 'wierdness' try this. I have used them and they are clear, smooth with good balance and detail. Can cross them over at lower frequencies and sounds great with good...
Forum: DIY Speakers and Subs   12-17-2010, 10:37 PM
Replies: 28
Views: 2,293
Posted By usil
I have completed this project. After a lot of...

I have completed this project. After a lot of testing I settled on changing the inductor and capacitor for the woofer since I had not originally choosen these components based on a measured...
Forum: DIY Speakers and Subs   12-16-2010, 12:59 PM
Replies: 28
Views: 2,293
Posted By usil
Well, a quick update. I decided to change my...

Well, a quick update. I decided to change my microphone to the one from my Onkyo amp used in setting up Audessey. What a difference in the SPL chart. So, 1st discovery is that I was using a really...
Forum: DIY Speakers and Subs   12-16-2010, 09:19 AM
Replies: 28
Views: 2,293
Posted By usil
Ok, thanks. Will give that a go. I thought the...

Ok, thanks. Will give that a go. I thought the manufacturer's specs looked excellent for both speakers so am very disappointed I see what I am getting. I will figure this out.

Usil
Forum: DIY Speakers and Subs   12-16-2010, 12:11 AM
Replies: 28
Views: 2,293
Posted By usil
I did note that I should have considered...

I did note that I should have considered measured impedance at the crossover frequency instead of rated values. I did not do this. In addition, according to what I read from Zaph the surface mouted...
Forum: DIY Speakers and Subs   12-15-2010, 06:51 PM
Replies: 28
Views: 2,293
Posted By usil
What is RTA and HOLMS? Usil

What is RTA and HOLMS?

Usil
Forum: DIY Speakers and Subs   12-15-2010, 04:21 PM
Replies: 28
Views: 2,293
Posted By usil
No, I am using only the left speaker. The right...

No, I am using only the left speaker. The right speaker is disconnected.

I am not sure what he wants but thought he wanted me to disconnect the tweeter and test the woofer then reconnect the...
Forum: DIY Speakers and Subs   12-15-2010, 03:22 PM
Replies: 28
Views: 2,293
Posted By usil
Do you mean each speaker without going though...

Do you mean each speaker without going though it's crossover or keep in the crossover and simply do one speaker then the next (disconnectiong one speaker for each test)

Usil
Forum: DIY Speakers and Subs   12-15-2010, 02:51 PM
Replies: 28
Views: 2,293
Posted By usil
After calibrating the Room EQ wizard, insuring...

After calibrating the Room EQ wizard, insuring that the equalizer is not used and placing the speaker in my test location on my desk here is the default spl chart from which I can work. This seems...
Forum: DIY Speakers and Subs   12-15-2010, 12:01 PM
Replies: 28
Views: 2,293
Posted By usil
I just realized that the testing was done with...

I just realized that the testing was done with the computer software sound equalizer was not set to the flat default setting so results were colored by equalizer settings. Also, since this is a...
Forum: DIY Speakers and Subs   12-15-2010, 06:22 AM
Replies: 28
Views: 2,293
Posted By usil
I have measured the tweeter and woofer alone...

I have measured the tweeter and woofer alone without a cross over in the speaker box - (1st two SPL charts). This looks nothing like the SPL charts supplied in the pdf for each speaker. The third...
Forum: DIY Speakers and Subs   12-15-2010, 04:29 AM
Replies: 28
Views: 2,293
Posted By usil
I will do some measurements with each speaker...

I will do some measurements with each speaker seperately and post results.

I thought that this would be relatively easy since if you look at the speaker SPL charts seperately, each is relatively...
Forum: DIY Speakers and Subs   12-14-2010, 05:11 PM
Replies: 28
Views: 2,293
Posted By usil
Is this change to address the dip in the 2000...

Is this change to address the dip in the 2000 range or fix something with the woofer? I made a note on the last chart that I also have in the circuit a powered subwoofer. So that is most of what you...
Forum: DIY Speakers and Subs   12-14-2010, 04:58 PM
Replies: 28
Views: 2,293
Posted By usil
I have reversed the phase of the tweeter and set...

I have reversed the phase of the tweeter and set smoothing to 1/6. This is taken at the same location as first test. I won't be able to get this outside right away. Just a note, this is a 2.1 system...
Forum: DIY Speakers and Subs   12-14-2010, 04:21 PM
Replies: 28
Views: 2,293
Posted By usil
Thanks. I do have the tweeter out of phase and...

Thanks. I do have the tweeter out of phase and will change it. I will try out the other suggestions too.

Usil
Forum: DIY Speakers and Subs   12-14-2010, 04:01 PM
Replies: 28
Views: 2,293
Posted By usil
I have created a pair of stereo speakers to be...

I have created a pair of stereo speakers to be used in my office. This is a 2.1 system using a powered sub.

http://i180.photobucket.com/albums/x298/user_999_999/Speaker.jpg

using these Tang...
Forum: DIY Speakers and Subs   12-11-2010, 03:20 AM
Replies: 23
Views: 2,955
Posted By usil
I have been inspired to create the perfect...

I have been inspired to create the perfect computer sound system for my office since I started this project. Even more now that I have completed the speakers. There are several things I am going to...
Forum: DIY Speakers and Subs   11-08-2010, 03:04 PM
Replies: 3
Views: 825
Posted By usil
http://i180.photobucket.com/albums/x298/user_999_...

http://i180.photobucket.com/albums/x298/user_999_999/woofers.jpg

Not a bad design but if they were mine would not know where to put them in my family room.

Usil
Forum: DIY Speakers and Subs   11-05-2010, 11:36 AM
Replies: 23
Views: 2,955
Posted By usil
I have been able to tame the tweeter and blend...

I have been able to tame the tweeter and blend it in nicely to the woofer by adding a 3 ohm resister. I have been listening to music for a few days and it sounds pretty good.

In the mean time if...
Forum: DIY Speakers and Subs   11-04-2010, 09:12 PM
Replies: 23
Views: 2,955
Posted By usil
I agree about the tool. The linear chart is...

I agree about the tool. The linear chart is better than nothing but not good enough for the final tweeking. Is there some free domain software I can use where I poke in the frequency results and it...
Forum: DIY Speakers and Subs   11-04-2010, 03:22 PM
Replies: 23
Views: 2,955
Posted By usil
Well, adding a larger capacitor for C2 is not...

Well, adding a larger capacitor for C2 is not the answer. All kinds of issues were added. (See chart below).

http://i180.photobucket.com/albums/x298/user_999_999/test5.jpg

Usil
Forum: DIY Speakers and Subs   11-04-2010, 02:45 PM
Replies: 23
Views: 2,955
Posted By usil
Ok, next test completed leaving the woofer...

Ok, next test completed leaving the woofer capacitor disconnected. Results show this is not a good idea. But if no capacitor lowers the frequency responce in the low end off and the current 3.9 uf...
Forum: DIY Speakers and Subs   11-04-2010, 12:54 PM
Replies: 23
Views: 2,955
Posted By usil
Next morning. I have completed the cross over...

Next morning. I have completed the cross over (2500 htz) and installed it into the speaker. The box is slightly stuffed (some stuffing removed based on earlier test) and all connections to speakers...
Forum: DIY Speakers and Subs   11-03-2010, 08:47 PM
Replies: 23
Views: 2,955
Posted By usil
This is the last test for the night. I tried the...

This is the last test for the night. I tried the box without stuffing and with and finally added the woofer crossover and made a final SPL vs Freq test. Here are all three results. The cross over...
Forum: DIY Speakers and Subs   11-03-2010, 07:04 PM
Replies: 23
Views: 2,955
Posted By usil
Ok, a little further along in the single box...

Ok, a little further along in the single box woofer test. I plugged the back holes with the speaker lug assemblies and added box stuffing to about 1/2 full.

I have just completed a second SPL vs...
Showing results 1 to 25 of 133

 
Forum Jump: