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Search: Posts Made By: Frank D
Forum: Audio Theory, Setup, and Chat   06-27-2015, 02:26 PM
Replies: 15,247
Views: 472,937
Posted By Frank D
Maybe keep the x-over at 80 hz and use a steeper...

Maybe keep the x-over at 80 hz and use a steeper x-over slope (if you can choose the slope) and see if that changes anything?
Forum: Audio Theory, Setup, and Chat   06-27-2015, 01:01 PM
Replies: 15,247
Views: 472,937
Posted By Frank D
That is kind of weird. I would not think that...

That is kind of weird. I would not think that increasing the sub volume would reduce a dip, by that much, at about 62 hz especially when you have set your cross over at 80 hz. Many people like to...
Forum: Subwoofers, Bass, and Transducers   06-26-2015, 04:08 PM
Replies: 4,850
Views: 381,757
Posted By Frank D
Excellent Rob. Do you have any placement...

Excellent Rob.

Do you have any placement plans yet? Are you going to be using REW to help with placement?

Would be nice to see some REW frequency and waterfall charts of one S1 vs two vs...
Forum: Area Home Theater Meets   06-25-2015, 04:25 PM
Replies: 72
Views: 1,057
Posted By Frank D
Building your own sub is definitely a very...

Building your own sub is definitely a very rewarding experience. However when one is somewhat short of time these Internet Direct sub companies are a great alternative especially at their current...
Forum: Area Home Theater Meets   06-22-2015, 01:55 PM
Replies: 72
Views: 1,057
Posted By Frank D
Nice score! Any idea how the Catalyst 8C compare...

Nice score! Any idea how the Catalyst 8C compare to the JTR Tripple 8 or 228.
Forum: Audio Theory, Setup, and Chat   06-19-2015, 10:38 AM
Replies: 15,247
Views: 472,937
Posted By Frank D
Can anyone comment on what to look for in regards...

Can anyone comment on what to look for in regards to bad THD levels when using REW? For subs and for other speakers?
Forum: Audio Theory, Setup, and Chat   06-19-2015, 08:57 AM
Replies: 15,247
Views: 472,937
Posted By Frank D
Thanks for the comment. What is THD...

Thanks for the comment. What is THD level/numbers when it start to get bad?


Regarding your question, from my understanding of distortion, it is basically whatever is not part of the original...
Forum: Audio Theory, Setup, and Chat   06-19-2015, 07:11 AM
Replies: 15,247
Views: 472,937
Posted By Frank D
Thanks Austin. I have attached three distortion...

Thanks Austin. I have attached three distortion graphs at lowest, mid and highest tested volume. Please tell me what you honestly think.

Regarding my question about measurement levels I used...
Forum: Audio Theory, Setup, and Chat   06-18-2015, 10:01 PM
Replies: 15,247
Views: 472,937
Posted By Frank D
First Sub Compression Measurements

Hi

I am very excited to post my first sub compression measurements with REW. Great program!

I first checked my REW calibration against my MC-140 spl meter by running sub cal pink noise in...
Forum: Subwoofers, Bass, and Transducers   06-16-2015, 03:12 PM
Replies: 20,513
Views: 802,596
Posted By Frank D
Wow so you currently have 3 Pb13? And now you...

Wow so you currently have 3 Pb13? And now you are adding a V3600. Very interesting. Do you have pictures of your room? How about graphs?

My room is sealed and small too (17.5 x 11 x 7.5 tall)...
Forum: Subwoofers, Bass, and Transducers   06-16-2015, 02:27 PM
Replies: 20,513
Views: 802,596
Posted By Frank D
Is that room in the basement on a concrete slab?

Is that room in the basement on a concrete slab?
Forum: Subwoofers, Bass, and Transducers   06-16-2015, 06:21 AM
Replies: 20,513
Views: 802,596
Posted By Frank D
For your compression sweeps do you just keep...

For your compression sweeps do you just keep playing the sound louder/record until the sound appears to compress? Any fear of damaging the sub? Is there a limit to how loud you should turn up the...
Forum: Subwoofers, Bass, and Transducers   06-15-2015, 10:26 PM
Replies: 3,220
Views: 165,761
Posted By Frank D
Great. So maybe once I get my Echo 18 I...

Great.

So maybe once I get my Echo 18 I can use it's delay know to time align it with my Velodyne HGS-15. Unfortunately the Velo is not ported so I am not sure how it will mix with the ported...
Forum: Receivers, Amps, and Processors   06-15-2015, 10:18 PM
Replies: 3,527
Views: 144,647
Posted By Frank D
Question regarding two subs: Some of the new...

Question regarding two subs:

Some of the new ICE amp subs like Reaction Audio is selling http://reaction-audio.myshopify.com/collections/subwoofers contain a delay knob that allow up to 20 ms...
Forum: Subwoofers, Bass, and Transducers   06-15-2015, 10:10 PM
Replies: 3,220
Views: 165,761
Posted By Frank D
Sound travels at 1130 feet per second hence 1 ms...

Sound travels at 1130 feet per second hence 1 ms should be close to 1.13 feet or a total of 22.6 feet for 20 ms.

So ideally you would use only one sub out of the XMC-1/DIRAC preamp to feed both...
Forum: Subwoofers, Bass, and Transducers   06-15-2015, 05:01 PM
Replies: 3,220
Views: 165,761
Posted By Frank D
Hey Brian, The new subs with ICE amps seem...

Hey Brian,

The new subs with ICE amps seem to have a Delay (timing/phase) knob on the back showing 0 to 20 ms. Can that be used to time align subs without the use of a separate box like a...
Forum: Area Home Theater Meets   06-15-2015, 04:46 PM
Replies: 72
Views: 1,057
Posted By Frank D
Funny how listening fatigue happens but you do...

Funny how listening fatigue happens but you do not really notice it right away. Point clearly taken, especially since I was running tests with REW this past Sunday. 4 to 5 hrs later you definitely...
Forum: Area Home Theater Meets   06-15-2015, 04:40 PM
Replies: 72
Views: 1,057
Posted By Frank D
Timing sounds good Nikko. Pizza and wings are...

Timing sounds good Nikko. Pizza and wings are fine too and will probably save time. I am good either way. Keep a tally of the costs so we can all chip in.

It would be ideal for me to come by...
Forum: Subwoofers, Bass, and Transducers   06-14-2015, 07:22 PM
Replies: 3,220
Views: 165,761
Posted By Frank D
Very nice set up and review SherazNJ! I like the...

Very nice set up and review SherazNJ! I like the all black room and speakers behind the screen with treatments.

I see you left your subs hot. I have DIRAC via my XMC-1 too but currently am...
Forum: Area Home Theater Meets   06-13-2015, 01:14 PM
Replies: 72
Views: 1,057
Posted By Frank D
Timing sounds good. Off the top of my...

Timing sounds good.

Off the top of my head, just from memory:

-The Incredible Hulk - Sound canon scene
-Iron Man - House attack scene
-Dolby Digital Demo Disk. I only have the DVD -...
Forum: Area Home Theater Meets   06-13-2015, 09:19 AM
Replies: 72
Views: 1,057
Posted By Frank D
Great David! Add it to the list. Thanks.

Great David! Add it to the list. Thanks.
Forum: Area Home Theater Meets   06-13-2015, 12:08 AM
Replies: 72
Views: 1,057
Posted By Frank D
July 4th is good for me too. We can use...

July 4th is good for me too.

We can use the subs to simulate some fire works.
Forum: Area Home Theater Meets   06-12-2015, 12:29 PM
Replies: 72
Views: 1,057
Posted By Frank D
Hey Nikko, Sounds like a great plan! I...

Hey Nikko,


Sounds like a great plan! I can definitely bring the measurement equipment. Currently the only date that really works for me is July 5. I have a birthday parties scheduled for...
Forum: Subwoofers, Bass, and Transducers   06-11-2015, 02:33 PM
Replies: 3,220
Views: 165,761
Posted By Frank D
Wow... That's insane. Looks like the woofer got...

Wow... That's insane. Looks like the woofer got a real heavy duty workout!
Forum: Subwoofers, Bass, and Transducers   06-10-2015, 07:14 PM
Replies: 3,220
Views: 165,761
Posted By Frank D
I think one just has to put things into...

I think one just has to put things into perspective. For $1,300 the Echo 18 is an amazing deal. If you want your sub to look "better" just ask Jeremy for the upgrade and pay the difference. For me...
Showing results 1 to 25 of 1449

 
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