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Search: Posts Made By: Mark Seaton
Forum: DIY Speakers and Subs   08-28-2015, 06:17 PM
Replies: 28
Views: 568
Posted By Mark Seaton
If more examples are needed, here's a much...

If more examples are needed, here's a much smaller 23.5" x 17.5" footprint :cool::
https://s3.amazonaws.com/files.websitetoolbox.com/26213/2352080

To answer the original question, no matter what...
Forum: Subwoofers, Bass, and Transducers   08-28-2015, 05:42 PM
Replies: 26
Views: 570
Posted By Mark Seaton
http://www.avsforum.com/forum/attachment.php?attac...

http://www.avsforum.com/forum/attachment.php?attachmentid=911298&d=1440714085


http://www.avsforum.com/forum/attachment.php?attachmentid=912818&d=1440802689

Very nice work... especially if it...
Forum: Speakers   08-22-2015, 12:14 PM
Replies: 742
Views: 95,910
Posted By Mark Seaton
Glad you are getting where I'm going... You gave...

Glad you are getting where I'm going... You gave a listen in one system and made an observation that the upper frequencies were too recessed and not detailed enough for your taste and compared to...
Forum: Speakers   08-21-2015, 06:32 PM
Replies: 742
Views: 95,910
Posted By Mark Seaton
While I believe I understand what you heard and...

While I believe I understand what you heard and are referring to, there's A LOT more to the top end of a speaker than the brand/type compression driver used. Implementation and design goals is...
Forum: AVS Forum Articles   08-15-2015, 11:59 AM
Replies: 84
Views: 5,461
Posted By Mark Seaton
When you start with your number 1 listed above...

When you start with your number 1 listed above you have to at least make one of those items include getting a measurement capability such as REW, OmniMic, XTZ, etc. Many spend more a few HDMI cables...
Forum: Speakers   08-13-2015, 06:51 PM
Replies: 31,062
Views: 1,337,872
Posted By Mark Seaton
That can work very well, but you can also use...

That can work very well, but you can also use thick absorption or absorption with HF diffusion such as GIK's panels with scatter plate. IMO the key is to insure whatever you use is rather broad...
Forum: Speakers   08-13-2015, 06:37 PM
Replies: 1,061
Views: 114,473
Posted By Mark Seaton
SpeakerPower was rather backed up this summer...

SpeakerPower was rather backed up this summer with much longer turn around times than typical. In the past turn around was a few days to 2 weeks at the most once the amplifier arrived. This...
Forum: Speakers   08-13-2015, 03:29 PM
Replies: 31,062
Views: 1,337,872
Posted By Mark Seaton
With speaker measurements it isn't usually a...

With speaker measurements it isn't usually a matter of fabricated curves, but rather omission of measurement conditions and details. Measurement axis, distance, acoustic conditions, gating and of...
Forum: Speakers   08-13-2015, 01:54 PM
Replies: 31,062
Views: 1,337,872
Posted By Mark Seaton
Toole & Olive had sufficient funding from Harman...

Toole & Olive had sufficient funding from Harman to allow them to go test what most who are well practiced with measurements and a wide range of speakers already suspected and were designing to. ...
Forum: Speakers   08-12-2015, 07:23 PM
Replies: 244
Views: 5,020
Posted By Mark Seaton
I'd suggest some more modeling and experimenting...

I'd suggest some more modeling and experimenting with real IB setups. There certainly can be benefits in the upper octave with boxed solutions, but VLF is where IB's have their biggest advantage. ...
Forum: Subwoofers, Bass, and Transducers   08-12-2015, 06:22 PM
Replies: 137
Views: 4,044
Posted By Mark Seaton
In the modern world shipping and handling at a...

In the modern world shipping and handling at a customer's home is an integral part of a product design. Anyone who doesn't design while repeatedly asking "How will I get this to and into someone's...
Forum: Speakers   08-12-2015, 05:35 PM
Replies: 31,062
Views: 1,337,872
Posted By Mark Seaton
Too many seem to infer that this means the...

Too many seem to infer that this means the speakers sound very similar rather than making the realization that the best performance in terms of soundstaging, imaging and overall balance take some...
Forum: Speakers   08-12-2015, 05:11 PM
Replies: 31,062
Views: 1,337,872
Posted By Mark Seaton
Calling Jeff's observation/comment dishonest is...

Calling Jeff's observation/comment dishonest is out of line. Jeff specifically quoted carp's post and his measurement observed at the listening position. The sound that makes it to the listener is...
Forum: Receivers, Amps, and Processors   08-10-2015, 10:36 AM
Replies: 6,580
Views: 180,553
Posted By Mark Seaton
Most test tones focus on 40-80Hz or 40-120Hz...

Most test tones focus on 40-80Hz or 40-120Hz bandwidth with filtered pink noise, and in using a meter's C-Weighting function the lowest frequencies do not affect the SPL as much as the upper octave. ...
Forum: Subwoofers, Bass, and Transducers   08-05-2015, 09:19 AM
Replies: 10,085
Views: 927,471
Posted By Mark Seaton
It's not hard to re-terminate the cable shorter,...

It's not hard to re-terminate the cable shorter, but at 16' long there is no concern. I generally consider anything under 20' as "short" when using the cable we offer. I only start questioning...
Forum: Receivers, Amps, and Processors   08-04-2015, 07:37 PM
Replies: 6,580
Views: 180,553
Posted By Mark Seaton
Hi Aiden, Good to hear you are enjoying the...

Hi Aiden,

Good to hear you are enjoying the SubMersives. :)

Looking at the target curve and the measured response here is what I might suggest a simple edit to experiment with:
...
Forum: Subwoofers, Bass, and Transducers   08-04-2015, 01:19 PM
Replies: 10,085
Views: 927,471
Posted By Mark Seaton
Correct, that's comparable to a pair of 8AWG...

Correct, that's comparable to a pair of 8AWG wires, but the 4x cables are more common, and the jacket is more round and terminates more easily. Since the internally powered sub only has ~2' of wire,...
Forum: Subwoofers, Bass, and Transducers   08-04-2015, 09:16 AM
Replies: 10,085
Views: 927,471
Posted By Mark Seaton
That's pretty close correlation between...

That's pretty close correlation between measurements considering you have both subs running in-room an acoustically small room vs. the bass wavelengths involved.

You can see the main low pass or...
Forum: Subwoofers, Bass, and Transducers   08-03-2015, 09:51 AM
Replies: 10,085
Views: 927,471
Posted By Mark Seaton
Acoustically and electrically they are identical,...

Acoustically and electrically they are identical, so they can be chained as master & slave as I already have 2-3 customers mixing F2 & HP style cabinets. We also have an upcoming shallow depth,...
Forum: Subwoofers, Bass, and Transducers   07-31-2015, 06:35 PM
Replies: 10,085
Views: 927,471
Posted By Mark Seaton
Thank you for choosing this thread to be your...

Thank you for choosing this thread to be your place to jump into the deeper waters of AVS with your first post. :)

This is definitely a good time to get a SubMersive if you have been waiting for...
Forum: Subwoofers, Bass, and Transducers   07-31-2015, 08:01 AM
Replies: 16
Views: 578
Posted By Mark Seaton
It should be noted the original posts are from ~8...

It should be noted the original posts are from ~8 months ago.
Forum: Subwoofers, Bass, and Transducers   07-31-2015, 08:00 AM
Replies: 16
Views: 578
Posted By Mark Seaton
Thank you for the correction. I had not seen the...

Thank you for the correction. I had not seen the updated version of the VTF3 Mk5 with the 15" woofer and 600W BASH amp from the VTF-15H Mk2. Both look to be nice upgrades with new woofers and 2x...
Forum: Subwoofers, Bass, and Transducers   07-30-2015, 10:29 PM
Replies: 16
Views: 578
Posted By Mark Seaton
The SubMersive's dual 15" woofers is a...

The SubMersive's dual 15" woofers is a substantial upgrade over the 12" ported VTF3-MK5, and will extend deeper in-room due to the shallow, sealed roll off of the design. More importantly it is...
Forum: Subwoofers, Bass, and Transducers   07-29-2015, 07:49 AM
Replies: 77
Views: 1,949
Posted By Mark Seaton
Hi Davey, You've had quite the ride through...

Hi Davey,

You've had quite the ride through this thread. I've highlighted some statements of yours through the course of the thread in the quotes above.

While the ported subs can sound very...
Forum: Ultra Hi-End HT Gear ($20,000+)   07-27-2015, 09:32 AM
Replies: 141
Views: 3,813
Posted By Mark Seaton
Hi Peter, I know plenty of this is in fun...

Hi Peter,

I know plenty of this is in fun and moves with what experiments you are currently performing in your customer's new rooms. While it is true the Catalysts have been out for a few years,...
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