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Forum: Speakers   10-16-2014, 01:43 PM
Replies: 447
Views: 8,063
Posted By craig john
This graph is a little deceptive. The scale...

This graph is a little deceptive. The scale hides a lot of detail. From 80 Hz down, these are all showing the exact same subwoofer system, so I would expect them to be superimposed on each other...
Forum: Subwoofers, Bass, and Transducers   10-16-2014, 01:23 PM
Replies: 461
Views: 19,421
Posted By craig john
I low pass at 40 Hz. All speakers...

I low pass at 40 Hz. All speakers "Small".
Forum: Subwoofers, Bass, and Transducers   10-16-2014, 09:43 AM
Replies: 461
Views: 19,421
Posted By craig john
There is *very* little content below 80 Hz that...

There is *very* little content below 80 Hz that is recorded in "stereo." Humans can't hear directionality below 80 Hz anyway, so any directional cues in that bandwidth are not recognized by human...
Forum: Speakers   10-15-2014, 01:26 PM
Replies: 447
Views: 8,063
Posted By craig john
That would be great... for the one spot you EQ. ...

That would be great... for the one spot you EQ. In most other spots, you're more likely to make things worse. (Unless you're going to put the mic on the floor. :D )

If you have some quick and...
Forum: Speakers   10-15-2014, 01:21 PM
Replies: 447
Views: 8,063
Posted By craig john
In movies, the CC is the most used and important...

In movies, the CC is the most used and important speaker. It carries the vast majority of the dialogue and also any of the content that pans across the front soundstage. When the CC is not...
Forum: Speakers   10-15-2014, 12:25 PM
Replies: 447
Views: 8,063
Posted By craig john
How are we gonna do multi-channel, (movies clips,...

How are we gonna do multi-channel, (movies clips, DVD-A, SACD, etc.) when we're only listening in 2-channel? I think it would muddy the evaluation of the speakers in question to add Andrew's CC and...
Forum: Subwoofers, Bass, and Transducers   10-14-2014, 08:25 AM
Replies: 461
Views: 19,421
Posted By craig john
I would put the platform directly on the floor...

I would put the platform directly on the floor with NO isolators underneath it. You don't need to isolate the platform from the floor; you need to isolate the sofa from the platform. Therefore,...
Forum: Speakers   10-11-2014, 10:44 AM
Replies: 447
Views: 8,063
Posted By craig john
No offense taken. :D My question was...

No offense taken. :D

My question was neither serious nor in jest. It was more of a "probing" question to see how committed you are to this concept of measuring with the mic on the floor. I...
Forum: Speakers   10-10-2014, 12:08 PM
Replies: 447
Views: 8,063
Posted By craig john
Interesting. I'm aware of Sean Olive/Floyd...

Interesting. I'm aware of Sean Olive/Floyd Toole's love of room reflections, (although I personally don't share the same affection/affliction.) Nonetheless, I'll be very interested in hearing these...
Forum: What's Your System Configuration   10-10-2014, 11:40 AM
Replies: 362
Views: 43,606
Posted By craig john
I guess I should have also mentioned... I want to...

I guess I should have also mentioned... I want to continue to use Audyssey XT32.
Forum: Speakers   10-10-2014, 08:52 AM
Replies: 447
Views: 8,063
Posted By craig john
The M2's may well have incredible sound power...

The M2's may well have incredible sound power measurements. I don't know that they've yet been shown to have "incredible room sound power measurements." The "room sound power measurements" would be...
Forum: Speakers   10-10-2014, 07:23 AM
Replies: 447
Views: 8,063
Posted By craig john
Ya learn sumthin' new every day! Thanks. I can...

Ya learn sumthin' new every day! Thanks. I can see how a boundary mic could be beneficial for recording, or for picking up voices or other sounds for amplification. It makes sense that a boundary...
Forum: What's Your System Configuration   10-10-2014, 06:16 AM
Replies: 362
Views: 43,606
Posted By craig john
Hi Mike, TBH, I haven't really looked that...

Hi Mike,

TBH, I haven't really looked that closely at all the options for Atmos. Nor have I looked at all the different processors and receivers. At this point, I know I would have to sacrifice...
Forum: Speakers   10-10-2014, 05:13 AM
Replies: 447
Views: 8,063
Posted By craig john
Interesting!!! I may try laying my mic on the...

Interesting!!! I may try laying my mic on the floor and see how my system measures. Intuitively, it doesn't seem like the right way to do it, but lots of things in this world are counter-intuitive....
Forum: Speakers   10-09-2014, 07:13 PM
Replies: 447
Views: 8,063
Posted By craig john
Again, what was Mr. JBL's logic for using that...

Again, what was Mr. JBL's logic for using that on-floor mic placement for calibration and EQ? Looking at the Owners manual, they talk about optimal speaker vs. listener placement, with greater...
Forum: Speakers   10-09-2014, 02:04 PM
Replies: 447
Views: 8,063
Posted By craig john
You won't get any teasing from me. I think those...

You won't get any teasing from me. I think those are excellent suggestions for evaluating a music system. :)

Craig
Forum: Speakers   10-09-2014, 02:00 PM
Replies: 447
Views: 8,063
Posted By craig john
I've never heard of anyone calibrating an audio...

I've never heard of anyone calibrating an audio system with the mic on the floor halfway between the speakers and the primary LP. Did he give an explanation of why he did it that way?

Did you...
Forum: Speakers   10-09-2014, 05:57 AM
Replies: 447
Views: 8,063
Posted By craig john
Andrew, correct me if I'm wrong, but I think the...

Andrew, correct me if I'm wrong, but I think the only 2 speakers we're planning to compare "blind" in the basement theater room are the 215's and the M2's.

The 215's are specified for 18 Hz...
Forum: What's Your System Configuration   10-09-2014, 05:19 AM
Replies: 362
Views: 43,606
Posted By craig john
ATM, no. I would need to add 4 in-ceiling Silver...

ATM, no. I would need to add 4 in-ceiling Silver Monitors, 4 channels of amplification plus a new pre/pro. That would be a minimum $12k investment... for a technology that only has ONE movie...
Forum: Speakers   10-08-2014, 06:39 PM
Replies: 447
Views: 8,063
Posted By craig john
If we used the 215's and the M2's with Andrew's...

If we used the 215's and the M2's with Andrew's subs, we would likely cross them over to the subs in the 60 to 80 Hz range, making them, (and their associated amps), somewhat more likely to be able...
Forum: Speakers   10-08-2014, 06:15 PM
Replies: 447
Views: 8,063
Posted By craig john
The JTR 215's and the JBL M2's both positioned as...

The JTR 215's and the JBL M2's both positioned as "full-range" speakers. Both are said to have 20 Hz response. It's their "claim to fame." Let's see what they can do, and how they compare.

We...
Forum: Speakers   10-08-2014, 06:03 PM
Replies: 447
Views: 8,063
Posted By craig john
Standard, single-position PEQ would make one LP...

Standard, single-position PEQ would make one LP better while making others worse. However, the System Architect looks like a multi-point measurement system, (at least the diagram on Page 8 of the ...
Forum: Speakers   10-08-2014, 05:08 PM
Replies: 447
Views: 8,063
Posted By craig john
Probably best to just listen to "raw" speakers. ...

Probably best to just listen to "raw" speakers. PEQ would only be beneficial for one LP, and could make other LP's worse.

Still, it would be very interesting to hear the differences the System...
Forum: Speakers   10-08-2014, 04:42 PM
Replies: 447
Views: 8,063
Posted By craig john
:cool: We'll be interested to read your...

:cool: We'll be interested to read your impressions. :)

Do you plan to use it at the GTG?
Forum: Speakers   10-08-2014, 03:30 PM
Replies: 447
Views: 8,063
Posted By craig john
Are you using the JBL System Architect Software...

Are you using the JBL System Architect Software for Room Correction?
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