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Forum: Subwoofers, Bass, and Transducers   03-24-2015, 03:07 PM
Replies: 9,918
Views: 911,190
Posted By Mark Seaton
Great to hear you are having fun with the...

Great to hear you are having fun with the SubMersives and are finding it to be a worthwhile upgrade. :) Effortless, articulate power is exactly what I hope owners are able to realize in their room. ...
Forum: Subwoofers, Bass, and Transducers   03-24-2015, 01:43 PM
Replies: 9,918
Views: 911,190
Posted By Mark Seaton
The coaxial isolation transformer is the...

The coaxial isolation transformer is the preferred and proper fix for a ground loop that goes away when the cable line is physically disconnected from the system. I recommend first grounding the...
Forum: DIY Speakers and Subs   03-21-2015, 11:26 AM
Replies: 1,813
Views: 93,373
Posted By Mark Seaton
With subwoofers it's location, location,...

With subwoofers it's location, location, location. You can be pretty confident with basic modeling, but nothing beats dropping a sealed sub in each proposed location after drywall is up and while...
Forum: Subwoofers, Bass, and Transducers   03-20-2015, 05:31 PM
Replies: 9,918
Views: 911,190
Posted By Mark Seaton
Ground loops when using the XLR-RCA adapters and...

Ground loops when using the XLR-RCA adapters and high power (>1000W) amplifiers is more common that we would prefer. In most systems using a non-grounded preamp such as your Integra, it's usually a...
Forum: DIY Speakers and Subs   03-20-2015, 11:35 AM
Replies: 1,813
Views: 93,373
Posted By Mark Seaton
Bravo to beast's ribbing. :p Now let the...

Bravo to beast's ribbing. :p

Now let the scope/budget creeping begin as I reference my comments in the build thread only 9 days ago: ;)
Forum: Subwoofers, Bass, and Transducers   03-19-2015, 12:52 PM
Replies: 9,918
Views: 911,190
Posted By Mark Seaton
In January I made this post in the Seaton speaker...

In January I made this post in the Seaton speaker thread (http://www.avsforum.com/forum/89-speakers/1163005-official-seaton-sound-speaker-thread-29.html#post30645170) regarding the evolution of what...
Forum: Speakers   03-18-2015, 11:19 AM
Replies: 951
Views: 106,763
Posted By Mark Seaton
Thank you Gooddoc! My experiences from many...

Thank you Gooddoc!

My experiences from many GTG's and enthusiasts on this forum have always provided significant inspiration for the solutions I have brought to market with the hopes of bringing...
Forum: Speakers   03-18-2015, 11:09 AM
Replies: 951
Views: 106,763
Posted By Mark Seaton
The OUT program offers a 35Hz extension mode. I...

The OUT program offers a 35Hz extension mode. I first did this for a customer using these as 2 channel speakers in a nice office, and we also listened to the speakers in this way when the guys at HT...
Forum: Subwoofers, Bass, and Transducers   03-17-2015, 01:40 PM
Replies: 9,918
Views: 911,190
Posted By Mark Seaton
I confirmed the Spark will be part of the demo in...

I confirmed the Spark will be part of the demo in the post you are referring to. I never said that will be the only new item in the room.
Forum: Speakers   03-13-2015, 03:58 PM
Replies: 951
Views: 106,763
Posted By Mark Seaton
For those who don't follow our forum or fb page,...

For those who don't follow our forum or fb page, I posted this to the forum this afternoon:


10 years ago today Seaton Sound, Inc. transitioned from an idea to a formal business entity.

I...
Forum: DIY Speakers and Subs   03-12-2015, 05:26 PM
Replies: 1,000
Views: 31,096
Posted By Mark Seaton
With the SubMersive I can't see any significant...

With the SubMersive I can't see any significant changes down to around 3" spacing if open on top and one side. The issue is really a matter of the relative area constriction vs. driver+air spring...
Forum: Dedicated Theater Design & Construction   03-11-2015, 11:45 AM
Replies: 133
Views: 3,184
Posted By Mark Seaton
Very cool to see your project plans moving...

Very cool to see your project plans moving forward again.



Good move. You might want to just stick to the dual woofer version that MTG90 already had worked out or switch to a pair of TD18s...
Forum: DIY Speakers and Subs   02-19-2015, 02:37 PM
Replies: 1,000
Views: 31,096
Posted By Mark Seaton
Thank you.:) There is some info on my forum...

Thank you.:) There is some info on my forum (http://www.seaton-sound-forum.com/post/the-terraform-d18-limited-run-dual-18-11hz-tuned-ported-subwoofer-7043903?pid=1284458133) on this limited...
Forum: DIY Speakers and Subs   02-19-2015, 09:49 AM
Replies: 1,000
Views: 31,096
Posted By Mark Seaton
"Peak" power is a mathematical concoction based...

"Peak" power is a mathematical concoction based on peak Voltage of a sine wave or rail Voltage, not real power in any sense that is clearly measured. Burst power is a real thing, and peak available...
Forum: DIY Speakers and Subs   02-19-2015, 09:13 AM
Replies: 1,000
Views: 31,096
Posted By Mark Seaton
The case sizes tend to be coincidence and then...

The case sizes tend to be coincidence and then different companies wanting to offer near drop in solutions. Many started using the ICEpower modules which set some practical case size limits. ...
Forum: Speakers   02-16-2015, 10:22 AM
Replies: 2,101
Views: 157,403
Posted By Mark Seaton
[FACEPALM] :confused: Thank you for...

[FACEPALM] :confused:

Thank you for confirming how minor misunderstandings can create online nightmares that will take way too many posts and too much time to rectify!

I'm hopeful some intended...
Forum: Subwoofers, Bass, and Transducers   02-13-2015, 11:35 AM
Replies: 128
Views: 3,939
Posted By Mark Seaton
primetimeguy is on the money here. Test the...

primetimeguy is on the money here. Test the frequency response individually through the left, center and right speakers first with the sub off, then just the sub through the left speaker with the...
Forum: DIY Speakers and Subs   01-30-2015, 08:52 AM
Replies: 204
Views: 6,623
Posted By Mark Seaton
A Bl curve as measured on a Klippel machine is...

A Bl curve as measured on a Klippel machine is not the same as meeting Klippel's own linearity definition/standard.

Especially with subwoofers there will always be a preferred clean operating...
Forum: DIY Speakers and Subs   01-29-2015, 05:10 PM
Replies: 204
Views: 6,623
Posted By Mark Seaton
I'm not sure where the 30 second number came...

I'm not sure where the 30 second number came from. I posted:



I only made the above post when I saw guys talking about such a small sealed box for the driver. The meltdown occurred almost a...
Forum: Subwoofers, Bass, and Transducers   01-28-2015, 04:05 PM
Replies: 9,918
Views: 911,190
Posted By Mark Seaton
The preferred method is to ground the...

The preferred method is to ground the receiver/preamp and not float the ground on the amplifier. There are 2 easy methods to ground a receiver/preamp. I'll have to look if I can dig up an old post...
Forum: DIY Speakers and Subs   01-21-2015, 11:43 AM
Replies: 1,040
Views: 42,638
Posted By Mark Seaton
Best way is to just measure the DCR shift with...

Best way is to just measure the DCR shift with monitoring that can be done in an amplifier with the correct circuitry. Otherwise most any temperature sensor other than possibly an IR temp sensor...
Forum: DIY Speakers and Subs   01-21-2015, 07:54 AM
Replies: 1,040
Views: 42,638
Posted By Mark Seaton
Nice clean looking box from the bits we can see. ...

Nice clean looking box from the bits we can see. Congrats, and welcome to the jungle. That's no small investment in parts you pictured earlier. :)

While a company with a closed loop product can...
Forum: DIY Speakers and Subs   01-14-2015, 11:19 AM
Replies: 50
Views: 1,206
Posted By Mark Seaton
While I know being friends and having comparable...

While I know being friends and having comparable product lines it's easy to group JTR and Seaton Sound, neither Jeff nor I *regularly* take weeks, and certainly not 6 weeks to respond to emails. ...
Forum: DIY Speakers and Subs   01-14-2015, 10:11 AM
Replies: 50
Views: 1,206
Posted By Mark Seaton
Having been in similar positions myself and...

Having been in similar positions myself and helping others in that position, I suspect that while it wasn't worded in the best way the response came from his own frustration with lead times and...
Forum: Subwoofers, Bass, and Transducers   01-13-2015, 10:42 AM
Replies: 9,918
Views: 911,190
Posted By Mark Seaton
Hi Jim, The only communication I can find...

Hi Jim,

The only communication I can find from you is a PM you sent direct to me on AVS around 11PM Sunday night. AVS ownership does not intend PMs and the forum to be used for direct sales...
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