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I think Percy Wilson, of the Gramophone magazine in England, originated that. Then again, it may be one of thsoe acronyms that arose in many places at once.

thanks for posting these. I've always thought the Paragon should be built without legs so the bass horns can be against one room boundary. This is one of those classics I've never heard but want to, someday.

I don't think the "cochlear" Nautilus is still in production. It was very expensive to build. I think the current Nautilus 800 is the top of the line. I think B&W referred to these as transmission lines, not reverse horns, although a rose is a rose... I saw an article by Solomon c. 1945 in the IEEE (or was it the IRE?) that described a large terminated bass horn. If I copied that article in 1975 when I saw it, it's long gone. May Google knows where it is. My impression based on a 30 year old memory of what was then a 30 year old design is that it was a lot of woodworking for no improvement on then-current designs.

cool...what are those ski jump things?

Not really...compression drivers are still used in pro apps, not to mention Klipsch and other lines. Horns are better understood now, thanks to work by people like Keele and Edgar, and others whose names escape me now. The curent crop of good horns controls directivity just fine without acoustic lenses. The JBL horns that used acoustic lenses were oval in cross section and would have done a poor job of controlling directivity by themselves. Dome drivers for direct-radiator systems are cheaper than decent tweeter and midrange horns and as with any direct radiator driver, compromises are less noticable than with horns someone is trying to make on the cheap. In sum...technology has moved on...leaving acoustic lenses a curiosity of yesteryear.

I tend to agree that most FM today is not worth listening to, and four figures for a tuner is pretty exalted. However, my local NPR outlets here-both college stations-are very good and I use to my Scott 333B to tune in.

Your subwoofer is possesed by the spirit of Bill Hailey! It needs an exorcism! Seriously, you have a bad ground in there, caused by a break in a shielded cable. It's allowing the amp to pick up your local oldies station, rectify and amplify the audio. This was common with LP cartridge installations gone bad. I remember getting the BBC on my Shure cart when I lived in Virginia. If your sub is brand new, this is a Warranty matter, so get Klipsch to fix it!

Loudspeakers and Enclosures by Badiemaff (sp?) and Davis. Somewhat dated but a good introduction to the subject. High Performance Loudspeakers by Martin Colloms. Very dense reading and poo-poos horns, but excellent in all other respects Acoustics by Harry F. Olsen. The 'bible' of acoustical knowledge. Not updated for about 40 years but still a classic. The collected Dope From Hope by Paul Klipsch et al. Has been offered as a PDF on this forum from time to time.

Hey Dtels' wife, I can relate. I used to live the The Pass on Lang Avenue, behind the "Dixie White House". That and my old house are gone now.

When I see folks at the hobby stores buying scrapbook stuff I want to yell "Scan first!". And use archival quality gold CD-Rs. Not just gold color-gold in the substrate. Kodak used to make these, and they're still available after some searching. Maybe Colter knows a good source? Your archived CDs should not be in your house, or necessarily in a safe deposit box. I'd stash them with relatives far away. While I'm at it-scan (or photocopy) the front and back of all the cards and permits in your wallet or purse, and birth certificates, mortgages, and car notes, registrations and titles. Makes reconstructing later much easier.

Forget Photoshop as a casual viewer, it's a bloated system hog, even as "Elements'. Try Vallen Jpegger, available free at www.vallen.de. Also has a slide show capability. A little slow on large TIFFs, it handles every day web images flawlessly.

too bad it has to use the Heresy horn...I still can't believe a new K601 would have been that costly....[:^)]

"Scotty! I need more cranberry juice!"

Since these are organ amps, I'd look at the Organists Guild of America (OGA) site to see if they have a forum like this one. There are a fair number of DIY/audio hobbyists in the ranks (pun intended) of organists. Maybe one of them might have some info.

As a Gulf Coastian and former New Orleanian, I used to eat raw "ersters" all the time. But it is no longer worth the risk, so I eat them fried.

Now that the forums working again...the Cornwalls use the Type B networks. This has been discussed in great detail on the forum. If you have questions that a search of past threads can't answer, I'd PM Bob Crites. I have 4 CW IIs from 1986 and I love 'em. Have not done any tweaking as of yet.

The SO is jonesing for a KitchenAid commercial model. We can't afford that, but we just gotta buy the 60th Anniversary Klipschorn![]

Klaatu Barada Nikto I saw Patricia Neal (my fave actress) in New Orleans in 2003, performing onstage with Joel Eng in Capote's Christmas Story. I couldn't justify the 75 extra clams to go to the 'reception' where I might have had a chance (if I only had the noive) to ask her to utter that memorable line. Actually, I might have ask her for another memorable utterance from 1965s' In Harms Way: "I'm not a lady, Rock!" said to the John Wayne character.

A large Caller ID display so you can see whos calling and whether you should pause your media or not...seriously, this is the mopst useful HT accessory (aside from a unified remote, like a Pronto) I can think of. Radio Shack sells a large Caller ID display.

I'm thinking the woofers are of the hi-Q type (Qts of about 1.2) also called fre-air. Carver used six (I think) of them in one of his speaker projects. The high Q means the bass is actually quiote acceptable without an effective baffle, but a high pass filter is a must to keep infrasonics from destroying the woofers or causing distortion. Anybody know the MSRP of these?

In fact, conservative design says the horn should be crossed over about one-half octave above its cutoff. If memory serves, the K400 actual cutoff is 250 Hz,(as installed in the baffle) so the 400 Hz crossover point is appropriate (at least for the mid horn, not considering the bass horn)

re: my earlier comment about pink noise...should have said, bandwidth limited to each band of interest. There is another method, which (it's early here) is called warbled (?), where the spectrum within the limited band is swept back and forth within the band of interest, said to nullify standing wave formation. I have a CD somewhere that does that...think I got it from Parts Express years ago. Agree that only an RTA will give you "true" FR. These approximations with a cheap meter can only give an "envelope" of response. BTW...Merry Christmas everyone.[] I'm on my way home to Mississippi tomorrow to see the destruction for myself. I've been to New Orleans since the storm, but the damage to the Gulf Coast of MS was much more widespread.[]

better late than never, ah guess... I also bought the analog RS SPL meter. I bought the Rives audio test CD and printed out the graph paper and used the test tracks that are set to compensate for the RS meter (poor man's "calibration"). I think the excercise was a waste of time. The Rives disc uses sine wave tones, which create standing waves in the room, and the 'frequency response" I took was not representative of what my envelope of response, as measured with my ears, should be, especially above 200 Hz. I also cut-off the test at 8 KHz for fear of frying my tweeters. I'd love to see a test disc with pink noise (I'm sure they exist somewhere). I've also used the SPL meter to see what my personal maximum loudness, in my living room, with my systems is. That is 102 dB, "slow" setting, at the listening position, which is equidistant from four CW IIs in a 25 x 16 room. Typical listening is a lot less than this.

When I saw this I threw a bone into the air, which turned into the space shuttle...

This guy took 15 pages to say what Paul usually said in four of five...trying to engage the supposedly informed readers of Stereophile. Yes, he makes some good points, but those of us here are saying "Really? No S---?" to all of it. He quotes that law of 400,000 nonsense again. It also was called the law of 500,000 in the Badeimaff and Davis book in the 50s. Just like "inventors" who rediscover well-established acoustic principles (and even get patents on same, an ongoing scandal), this horse-hockey keeps coming up. Anybody ever demonstrate this with modern filtering to see if there's any validity? Of course not. Still, it's surprising that Stereophile would allocate so much space to a viewpoint largley (if not totally, to be fair) at odds with their house opinions and the agendas of their advertisers. A Class B discussion of a Class A topic.