drew_eckhardt

Responses from drew_eckhardt

Speaker Technology over the last 10 years
>Technically speaking, the near field ends at the critical distance where direct sound and reverberant field are equal. With conventional speakers in a domestic environment that point is at 2-4 feet from the speaker. By the time you get a comfo... 
Speaker Technology over the last 10 years
>why is it that whenever i listen to a cone design i hear cabinet and driver colorations. Because you listen to multi-way cone speakers in conventional cabinets which have big polar/power response problems, probably have cabinet resonances, and... 
Speaker Technology over the last 10 years
Mrtennis writes:>i think you are ignoring the obvious. i exchew cone speaker >designs. i realize others like them. i just have a hard time >fathoming why they are so popular, given their faults. i will >never buy one .You want to liste... 
Speaker Technology over the last 10 years
There's been a resurgence in open-baffle designs.Earl Geddes has identified and fixed a major source of horn coloration with his open-cell foam filled oblate spheroidal wave guides.Tom Danley invented the unity summation aperture (a multi-way poin... 
Center channels: why only horizontal arrays?
Aesthetics. A vertical array will have better off-axis performance although you probably don't have seating far enough out.A speaker with identical drivers, cross-overs, baffle width, and enclosure volume will provide the best match and not have a... 
A question of bass... Several actually.
>Is it necessary to spend $1000 per speaker or over to have audible, palpable, appropriate bass reproduction?If you're buying new through normal retail channels it is.You have to move four times the air to reach a given SPL for each additional ... 
Help Finding my system bright...
Speaker placement, listener placement, furnishings, and room acoustics have about as much to do with it as the speakers you bought and more than anything else except the source material.First reflections off hard surfaces like the side walls, wood... 
Feedback in AV system
Unplug the cable TV or satellite antenna cables. Grounding of these systems is the most common cause of ground loops. 
5.1 vs 7.1
>I was wondering if there is a huge difference between using a 5.1 or a 7.1 speaker system?If you're not using dipole side surrounds and have processing (like Lexicon Logic 7) which intelligently routes the surround channels from 5.1 and Dolby ... 
Neighbor Complaining...
Toufu writes:>I moved recently to a new apartment, and my neighbor is already complaining of the noise... :) Right now I have my speakers (Quad 12L2) placed closed to the shared wall, now, would it make a difference if I place the speakers agai... 
Sub output: Is it the woofer size or the rated RMS
>You'd need 6 long-throw 10" drivers (DPL10 with 333 cm^2 Sd and 19mm xmax) to match one healthy 18" driver (Maelstrom 18 with 1182 cm^2 Sd and 33mm amax).It's probably a bad specific example (the DPL is a high-Q driver appropriate for dipoles ... 
Sub output: Is it the woofer size or the rated RMS
>Shadorne - I was thinking of three 10" woofers versus one 18" woofer (same area).That's a bad comparison, because the bigger driver can have more excursion. The bigger surround can move farther, bigger basket accomodates a bigger spider which ... 
Sub output: Is it the woofer size or the rated RMS
>It seems to me that a bigger, thicker, heavier cone would have reduced "compliance," if that is the right term, and therefore require a greater degree of damping than a smaller, lighter cone.By the time you've built a speaker with a given pair... 
Sub output: Is it the woofer size or the rated RMS
>Shadorne - I wasn't thinking of slap and 5kHz when I mentioned 10" woofer's bass definition - for that bass enclosures have tweeters. I was thinking of low frequencies. 10" woofer arrays have better controlled/damped (shorter) bass while 18" w... 
Sub output: Is it the woofer size or the rated RMS
>Drew -- doesn't your response overlook bass damping, inertia of the cone and the other parts of the moving assembly, and the ability of the cone to stop quickly when the input signal stops? All of which I think support what Kijanki was saying....