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Search: Posts Made By: Mark Seaton
Forum: Speakers   05-21-2015, 12:13 PM
Replies: 1,037
Views: 111,558
Posted By Mark Seaton
I just posted the long answer in the Spark thread...

I just posted the long answer in the Spark thread on our forum. The short answer is that we will have a Spark XC2 & Spark XC1. The XC2 will be the fully bi-amplified version selling for $750 each +...
Forum: DIY Speakers and Subs   05-19-2015, 01:40 PM
Replies: 51
Views: 1,324
Posted By Mark Seaton
If you look at the rest of the lineup and the...

If you look at the rest of the lineup and the parts/labor involved, the price falls in line with other AE drivers. The pricing from long ago turned out to largely be a charity effort, and...
Forum: Subwoofers, Bass, and Transducers   05-18-2015, 05:06 PM
Replies: 106
Views: 3,878
Posted By Mark Seaton
I thought we went through some of the...

I thought we went through some of the over-generalizations regarding that GTG long ago...

I think you need to check your history, as it was flip-flopped with the SubMersive & Captivator as the 2...
Forum: Speakers   05-18-2015, 11:27 AM
Replies: 1,037
Views: 111,558
Posted By Mark Seaton
That was in reference to using any of the...

That was in reference to using any of the forthcoming Spark models as the mains rather than the larger models. That said, I intend to have the means to power the Catalyst family of products...
Forum: Speakers   05-15-2015, 03:28 PM
Replies: 29,409
Views: 1,272,141
Posted By Mark Seaton
Sensitivity is only reduced when a designer...

Sensitivity is only reduced when a designer changes the passive crossover. DSP or analog filters types applied ahead of the amplifier all have the same net effect of changing the amount of power...
Forum: Speakers   05-15-2015, 01:44 PM
Replies: 29,409
Views: 1,272,141
Posted By Mark Seaton
I expect you never pushed much of that power into...

I expect you never pushed much of that power into the speaker, especially below 200Hz. No magnitude of available power has any effect on the frequency without EQ ahead of the amp. Had the minidsp...
Forum: Speakers   05-15-2015, 01:13 PM
Replies: 29,409
Views: 1,272,141
Posted By Mark Seaton
This is a passive speaker so for the most part at...

This is a passive speaker so for the most part at low frequencies you only "put 6dB back" by taking it away from the rest of the range, which would reduce the sensitivity of the speaker by ~6dB,...
Forum: DIY Speakers and Subs   05-14-2015, 09:12 AM
Replies: 473
Views: 17,085
Posted By Mark Seaton
The near field on the woofer will be helpful, but...

The near field on the woofer will be helpful, but lower than observed the higher you get in frequency. You will get interesting and somewhat useful measurements at 2', but from a 2' wide horn you...
Forum: Speakers   05-14-2015, 06:25 AM
Replies: 611
Views: 15,390
Posted By Mark Seaton
FWIW, this is a byproduct of delivering the...

FWIW, this is a byproduct of delivering the blinding efficiency many of you appreciate about the Noesis 212HT and setting some practical limit to a cabinet size. Anyone willing to experiment with...
Forum: DIY Speakers and Subs   05-13-2015, 07:11 AM
Replies: 51
Views: 1,324
Posted By Mark Seaton
Re-sourcing means getting a part that serves the...

Re-sourcing means getting a part that serves the same function. I suspect the Cms is + or - some % of those specs, and between dustcaps and cones, while starting with the same exact material the...
Forum: Subwoofers, Bass, and Transducers   05-13-2015, 06:52 AM
Replies: 5
Views: 333
Posted By Mark Seaton
In the end this is entirely about dimensions. ...

In the end this is entirely about dimensions. The smaller the dimensions of the subwoofer's enclosure the smaller the observed differences.

While I'm obviously a fan of the dual opposed...
Forum: DIY Speakers and Subs   05-12-2015, 10:11 AM
Replies: 51
Views: 1,324
Posted By Mark Seaton
That was exactly one of the points intended in my...

That was exactly one of the points intended in my post above. :)



When the AV15 & AV12 graduated to a 2.5" VC rather than the early 2", that was for 2 projects/products I was designing. About...
Forum: DIY Speakers and Subs   05-12-2015, 09:39 AM
Replies: 51
Views: 1,324
Posted By Mark Seaton
All the guys interested in big full range...

All the guys interested in big full range speakers that have subwoofer extension should be very excited, as these can cross over either application very well. It's exciting to see John get this back...
Forum: Subwoofers, Bass, and Transducers   05-08-2015, 08:41 AM
Replies: 2,584
Views: 141,896
Posted By Mark Seaton
Sorry to intrude, but I have to correct that our...

Sorry to intrude, but I have to correct that our most common products in our standard finishes (black oak & black maple) ship in 1-3 business days with out of stock finishes shipping in 2-4 weeks...
Forum: Subwoofers, Bass, and Transducers   05-05-2015, 12:55 PM
Replies: 152
Views: 12,945
Posted By Mark Seaton
The answer here is the same as what I gave carp: ...

The answer here is the same as what I gave carp:


It sounds as though you are asking about possibilities without having measured yet. It is very rare that a simple delay setting can't be found...
Forum: Subwoofers, Bass, and Transducers   05-05-2015, 12:00 PM
Replies: 312
Views: 9,189
Posted By Mark Seaton
Interstellar's soundtrack is a serious workout...

Interstellar's soundtrack is a serious workout for any system. Goalline, great to hear you enjoyed the system. It was a real treat to be able to get smooth response extending to the 10Hz range...
Forum: Receivers, Amps, and Processors   05-05-2015, 11:40 AM
Replies: 75,719
Views: 6,347,667
Posted By Mark Seaton
How many microphone locations did you use and how...

How many microphone locations did you use and how large an area did you span? Try overlaying no EQ measurements from the different locations and see if a couple raw measurements show a big peak at...
Forum: Subwoofers, Bass, and Transducers   05-04-2015, 02:39 PM
Replies: 152
Views: 12,945
Posted By Mark Seaton
That depends on what you see. The general rule...

That depends on what you see. The general rule is that you should have a really good case for applying differing EQ.

Super high Q (sharp) peaks that exist in one set and not another are one such...
Forum: Subwoofers, Bass, and Transducers   05-04-2015, 09:59 AM
Replies: 34
Views: 1,576
Posted By Mark Seaton
Thanks for correcting, but you can't compare big...

Thanks for correcting, but you can't compare big sealed subwoofers without considering internal box volume (ie what's left after subtracting wall thickness, etc). The air space in a sealed box...
Forum: Subwoofers, Bass, and Transducers   05-04-2015, 09:29 AM
Replies: 152
Views: 12,945
Posted By Mark Seaton
IMO, if you have suitable external EQ for the...

IMO, if you have suitable external EQ for the front and rear pairs, get measurement software and a microphone like REW w/UMIK-1, or OmniMic and use the DSP to blend the front/rear subs and then let...
Forum: Dedicated Theater Design & Construction   05-01-2015, 05:06 PM
Replies: 328
Views: 9,203
Posted By Mark Seaton
The "directly overhead" concern is greatly...

The "directly overhead" concern is greatly reduced with 4 channels overhead rather than 2, similar to what was the case when the first extracted 6th rear channel came to be with PLIIx and DTS-ES.
...
Forum: Subwoofers, Bass, and Transducers   05-01-2015, 10:15 AM
Replies: 48
Views: 2,782
Posted By Mark Seaton
Great to hear you are enjoying them. They look...

Great to hear you are enjoying them. They look right at home in your room. Be sure to throw in Interstellar, as the scenes where they enter the wormhole, get hit with a tidal wave, and the last...
Forum: Dedicated Theater Design & Construction   05-01-2015, 09:50 AM
Replies: 328
Views: 9,203
Posted By Mark Seaton
Quick thought question... If you can get image...

Quick thought question... If you can get image placement and soundstaging from a pair of desktop monitors, why are ceiling speakers closer than the main speakers a deal breaker?

Limited listener...
Forum: Speakers   04-29-2015, 02:17 PM
Replies: 1,037
Views: 111,558
Posted By Mark Seaton
After we get the first version sorted we'll...

After we get the first version sorted we'll possibly make up a bookshelf version that is deeper with the amp in the back. In this case the 8" coax extends right to the back of the box. We will...
Forum: Speakers   04-29-2015, 08:18 AM
Replies: 1,037
Views: 111,558
Posted By Mark Seaton
Here are some pictures I took at Axpona 2015...

Here are some pictures I took at Axpona 2015 (http://www.seaton-sound-forum.com/post/axpona-2015-7384221?pid=1287016433) of the assembled system and room:

This year's Axpona 2015 was far and away...
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