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More specifically: maybe there's a difference between "good for 2-channel" and "good for 5+ channel". I recently setup some new speakers (KL-650-THX) in a home theater room I'm building out; and in test listening on movies and mutli-channel music (Elton John's DVD-A of Goodby Yellowbrick road...

Having been sorely disappointed with the The Police SACD, I ordered Hotel California. There are some others I'd love to get, but everything is no longer in print and the market for used/NOS ones is expensive [note: If there's no demand, hence why printing stopped, how do they sell for so much]...

So, I finally have a setup with a center channel I actually like and have pulled out all my multi-channel SACDs and DVD-Audio disks and want more. ... and all the stuff I find is out of print, costs $60-$120, and every promising "here must be the new one, this was just released for audiophiles...

I don't suppose anyone knows a source of or drop-in replacement for http://www.madisound.com/store/manuals/ns6-255-4a.pdf ?

Something I realize I don't know. Let's say I have a 2-way speaker. 90db sensitive, crossover at 1khz. If I want to play a 5khz tone so that it's 90db in volume from 1m, I'm going to have to provide 1w of power (yes, there's some nuance about volts and current). What if I want to...

It's been asserted, basically as a truism, that demands on the amp go up as the frequency goes down. This has been cited repeatedly as a reason to add a subwoofer to a given speaker setup (moving the most demanding loads to a dedicated amp). But I can't seem to figure out where I can find...

Everywhere, including Klipsch's website indicates that this speaker is supposed to have 2x 6.5" drivers. I stuck a ruler to mine, and they appear way off. Am I missing something stupid/obvious? No one discussing / reviewing these has made any mention I can find of the specs being dishonest.

I have a pair of black Philharmonic 2's (Will add pics shortly) here in Tampa. They have grills for the top portion, but the grills don't really attach well because of the design of the driver installation. I'll do a through inspection for imperfections when I take pics, but these are sitting...

I have a pair of B&W 801 Series 2 in black. I am not the first owner. The previous owner had cats who have done some damage to the cloth (many pulled threads / runs , though no major tares) and scratches on the cabinet. Up close they are apparent, at distance I don't notice them. I have all of...

I have an acquainted making, well, installation art. Long story short: It can be described as a box, about the size of a breakfast-nook table. He wants to feed music into this box and get the music out (a speaker) but also vibrate the box such that someone in contact (sitting on it for...

I just have to , well, vent. I ran into a manufacturer who, among other things, suggests loosening the screws on your power outlet covers on the circuit your audio equipment is on to "open up the sound". And he has adherents.

Am I correct in concluding that the sound added by a transmission line (that is to say: the sound coming out of the back of the drivers, moving through the cabinet, coming out the rear port, and eventually getting to my ear) will be significantly out of phase (like 360 deg +) with the same sound...

Have there been any signifigant changes in the last 20 years in amps I should be concerned with? I'm looking at a re-capped and maintainenced older amp (Adcom 555 II) vs a newer similar amp (Emotiva XPA-2). Ignoring the obvious differences (XLR inputs, power differences, warranty), can anyone...

For those familiar with me pre-hiatus: I'm not planning on bringing the WmAx customs. 115lbs each + 4 amps + 2 active crossovers + a source is just too much. But if you remember the discussion of the GMA Europa speakers? I still have those, and they are reasonably portable. Is there any *real*...

I need felt to put around a ribbon tweeter that I am concerned is having problems with reflections. What I don't know is "what kind" and "where to get it".

Here's the speaker: http://www.stereophile.com/content/bw-nautilus-801-loudspeaker-measurements It wants a lot of power, and spends a lot of time at 3ohm :( There's no way I can afford to amp it the way Stereophile chose to do it. The question is: what can I get away with without sound quality...

I was reading one of the neat quasi-technical documents infinity put out for one of it's older speakers. In the doc (need to re-find) they discuss at length why they were using EMIT and EMIM ribbons, and the importance of the cabinet shape they were using (curved trapezoid). From what I can...

I don't know if curiosity killed the cat: but it's done no good for my wallet. Yes, I now am the proud(?) owner of a pair of GMA Europas. Once I figure out which end of the mic plugs in where, and clear out an appropriate room, and figure out where I put my "good camera", and have time, I...

Let's imagine some crazy newb at building stuff was looking at a 3-way speaker with a passive crossover and biwire connectors and thought to himself: "You know, if I disconnect the high pass and low pass filters coming out of the wire-connection points: I could use an external crossover and...

I was reading some mid-2000's articles from an circuit designer down in OZ, and at one point he starts discussing phase coherency (mostly visa-vi crossovers). I think he's talking about the same issues that Roy was trying to get to on our recent Green Mountain thread. As I understand that...