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Forum: Latest Industry News   02-24-2014, 03:59 PM
Replies: 27
Views: 3,477
Posted By arande2
I haven't read it to avoid my post being...

I haven't read it to avoid my post being influenced by the writing, but consider this.

Back around the time of the wax cylinder people were saying they could not tell a difference from real life....
Forum: DIY Speakers and Subs   06-25-2013, 07:31 PM
Replies: 1
Views: 122
Posted By arande2
I'm asking about what limits the peak voltage a...

I'm asking about what limits the peak voltage a speaker can handle.

Crossover - exceeding the voltage ratings of the components will destroy them.
Connectors - same as above.
Wires - similar to...
Forum: DIY Speakers and Subs   05-22-2013, 04:36 PM
Replies: 3
Views: 230
Posted By arande2
Okay, I see. The input drives an opamp and the...

Okay, I see. The input drives an opamp and the the clip detection circuit runs from this (gain knobs change the gain of this stage). I'll assume 10v and not worry about measuring. With a 10v input,...
Forum: DIY Speakers and Subs   05-22-2013, 03:49 PM
Replies: 3
Views: 230
Posted By arande2
Yes. I just realized the clip indicators are...

Yes. I just realized the clip indicators are probably on the input stage, so I'd measure the input voltage with a standard meter, easier.
Forum: DIY Speakers and Subs   05-22-2013, 05:48 AM
Replies: 3
Views: 230
Posted By arande2
I'm changing out some equipment and will have...

I'm changing out some equipment and will have the capacity to drive the input of my EP4000 (driving 18" DIY sub) to +30dBu. I'd like to drive the input harder and back off on the gain since the new...
Forum: Subwoofers, Bass, and Transducers   11-27-2012, 07:46 PM
Replies: 40
Views: 1,359
Posted By arande2
Quoting all of you would just take up space, so...

Quoting all of you would just take up space, so I will reference post #. I recommend to the forum scripters that this be made possible (type in #... and have it show up as a hover-over so that the...
Forum: Subwoofers, Bass, and Transducers   11-26-2012, 07:37 PM
Replies: 40
Views: 1,359
Posted By arande2
I'm not too sure about my low-freq limits. At...

I'm not too sure about my low-freq limits. At super low freqs like 9hz, I feel a pressure on my head and the pressure variations modulate the ambient noise. The frequency at which my sensitivity to...
Forum: Subwoofers, Bass, and Transducers   11-26-2012, 07:04 PM
Replies: 40
Views: 1,359
Posted By arande2
At least I'm agreeing with what you say now. ^_^...

At least I'm agreeing with what you say now. ^_^ I've had my thresholds tested and know that I am good to the threshold of 0 phon up to 15khz. I have done measurements on my room many times. If had...
Forum: Subwoofers, Bass, and Transducers   11-26-2012, 06:48 PM
Replies: 40
Views: 1,359
Posted By arande2
My purpose is to hear for myself these...

My purpose is to hear for myself these localization phenomena so that I can be certain about my conclusions. I am majoring in Physics (acoustics emphasis when I get to grad school) and Electrical...
Forum: Subwoofers, Bass, and Transducers   11-26-2012, 06:26 PM
Replies: 40
Views: 1,359
Posted By arande2
Referring to the [blahblahblah] in my first...

Referring to the [blahblahblah] in my first post, everything you said falls in that categery. I'm not a newb. http://files.avsforum.com/images/smilies/redface.gif Maybe I was too vague. I denounce...
Forum: Subwoofers, Bass, and Transducers   11-26-2012, 05:57 PM
Replies: 40
Views: 1,359
Posted By arande2
No need to fill me in on all of the...

No need to fill me in on all of the [localization of subwoofers commonly caused by too high of a crossover or distortion, etc...] stuff.

I would like some information on ways I could hear...
Forum: Audio theory, Setup and Chat   10-22-2012, 06:48 PM
Replies: 2
Views: 321
Posted By arande2
For the record, I am referring to way a...

For the record, I am referring to way a recording is presented in terms of sound imaging (size, spatial location, etc) when I use the term sound signature.

I just got my speakers/components back...
Forum: Display Calibration   08-15-2012, 01:47 AM
Replies: 1
Views: 237
Posted By arande2
I'm a novice on the video side of things right...

I'm a novice on the video side of things right now, so these questions might be uninformed. I have no idea where I stand intellectually. I'll only ask a few, might ask more later. This looked like...
Forum: DIY Speakers and Subs   08-04-2012, 08:45 AM
Replies: 8
Views: 524
Posted By arande2
Quote:Originally Posted by...

Quote:Originally Posted by jbelljbell http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1422686/32hz-portable-sub-build#post_22277890)
...
Forum: DIY Speakers and Subs   08-04-2012, 08:03 AM
Replies: 8
Views: 524
Posted By arande2
After looking at the responses and thinking...

After looking at the responses and thinking about it a bit more, I may change a few details (also delaying it at least a month). By the way, during high school (not that long ago) I lugged a 50lb...
Forum: DIY Speakers and Subs   08-04-2012, 07:37 AM
Replies: 143
Views: 25,995
Posted By arande2
I may just end up waiting out two months with...

I may just end up waiting out two months with bad sound. The LLT theoretically weighs 165lb. Due to its size, that means it takes two people to carry it.

After years of use, I've finally seen...
Forum: DIY Speakers and Subs   07-31-2012, 04:04 PM
Replies: 8
Views: 524
Posted By arande2
I'll consider it. It'd add a significant % to...

I'll consider it. It'd add a significant % to the build, though, forcing another month of delay. If it will be that much better, it might be worth it. My 30lb limit is a bit wimpy. I could do 40 or...
Forum: DIY Speakers and Subs   07-31-2012, 03:25 PM
Replies: 8
Views: 524
Posted By arande2
Goals/Uses • Portability: Small enough to...

Goals/Uses

• Portability: Small enough to fit in a trunk and easy to carry, under 30lb, separate amp is allowable (battery-powered)
• Compatibility: May be used with speakers ranging from...
Forum: DIY Speakers and Subs   07-31-2012, 11:52 AM
Replies: 143
Views: 25,995
Posted By arande2
Quote:Originally Posted by...

Quote:Originally Posted by brandonnash http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1200398/18-build-arande/120#post_22199616)

Going on your last post with the eq it...
Forum: DIY Speakers and Subs   07-07-2012, 12:00 AM
Replies: 143
Views: 25,995
Posted By arande2
Lots of tweaking has occurred since the last...

Lots of tweaking has occurred since the last post, all in an attempt to get the best from what I have... I really need to go hear another setup for a frame-of-reference. I've been to theaters and...
Forum: DIY Speakers and Subs   06-27-2012, 11:30 AM
Replies: 15
Views: 594
Posted By arande2
Quote:Originally Posted by michael...

Quote:Originally Posted by michael hurd http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1417215/testing-my-new-sub#post_22170322)

Funny thing is when you measure a...
Forum: Audio theory, Setup and Chat   06-22-2012, 08:17 AM
Replies: 8
Views: 3,866
Posted By arande2
Nearfield means being close enough to the...

Nearfield means being close enough to the speakers that the room reflections are the minority of the sound you hear. Midfield is where they're about equal, and farfield is self-explanatory at this...
Forum: Subwoofers, Bass, and Transducers   06-22-2012, 06:55 AM
Replies: 2
Views: 344
Posted By arande2
Hmm. Well anyway I tested the song extensively...

Hmm. Well anyway I tested the song extensively on my headphones and found that I had to boost the low end (+6dB at 27hz) to be able to hear it at all (this is +6dB relative to the rising low end I...
Forum: Audio theory, Setup and Chat   06-22-2012, 03:27 AM
Replies: 13
Views: 471
Posted By arande2
It looks like the suggestions here are good,...

It looks like the suggestions here are good, probably more simple than what came to my mind. If you have a receiver with pre-outs on the back, a headphone amplifier could be connected to the front...
Forum: Subwoofers, Bass, and Transducers   06-21-2012, 09:58 PM
Replies: 2
Views: 344
Posted By arande2
I don't see a bump button anywhere on here that...

I don't see a bump button anywhere on here that lets the OP bump without posting. I'm pretty used to that on another forum, but it's needed more since the traffic there is such that a thread gets...
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