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I doubt I'm going to give you the king of answer that you're looking for, but here's my perspective with regard PWK and the Klipschorn. Most of the (interesting) history happened before Roy or I (and even Hunter) were around. I do think his criteria and priorities were pretty well stated in everything he wrote on the subject, though. And you didn't have to be around PWK very long to realize that's exactly what he believed. He was pretty much: This is the way it is, and if you want challenge that - you'd better have the facts AND data to back it up. A good example of this is that he never really accepted the Tractrix horn until he read a PhD thesis comparing an exponential horn to the Tractrix. Nevertheless, the Klipschorn had already matured in its design by the time I started with the company. Only the occasional refinement were being applied throughout the early years of my employment. However, PWK did want a 2-way solution for the Klipschorn. And he did continue to experiment with new horn & driver designs during the time I was there. I got the opportunity to run the data on several of his experimental horns. He had abandoned the original 2-way design (and eventually the K-5-J horn) during the late 50's because he couldn't get the extended high frequency response necessary. Using the tools that we have today, it really isn't that difficult. But in those days with the limitations they had in equipment, it was probably out of reach. With the switch to the 3-way design, and the introduction of the K-400 horn, the Klipschorn had achieved a level of performance that it would only require the occasional refinement after that. But apparently, the 2-way design never left him, because it was a fairly big deal to him during the time I knew him. PWK didn't seem to care for the original K-5-J horn. The K-5-J is essentially a constant directivity horn design, which does require significant equalization for a flat response. I know that was a factor, but he may have also had an issue with how the radial horn mouth set-back into the cavity of the HF section and the issues that brought with it. The K-400 horn solved all of this. The horn had a flat mouth and easily mounted to a baffle. The horizontal coverage is fairly consistent at 90 degrees, but he did sacrifice vertical coverage to improve horn output at higher frequencies. This is the self-equalization characteristic that compensated for the driver's rolled off power response. This was the technique he seemed to prefer. I say this because the experimental horns he later designed still used this approach. Now, I do seem to recall the one horn design he was leaning toward did have flat sidewalls angled at 90 degrees. This was more similar to the K-5-J, but the vertical was all K-400 style. We did continue to experiment with the LF section, too. But PWK was fairly comfortable with the LF design and didn't get too involved in those experiments. Kerry

@JRH @Chief bonehead @dBspl I'm focusing this question on the Klipschorn because it was arguably PWK's most important design and I've seen many assumptions expressed on the forum over the years that I believe are misguided about how and why certain drivers/horns were used by PWK. Mr. Hunter as you mentioned in another thread "PWK experimented with EVERYBODY's drivers and horns" Can you or any others that worked with PWK give us some insight on PWK's criteria and their order of priorities (ie: performance, availability, price, ...etc.....) for using the components he did in his beloved Klipschorn? I see many assumptions/speculations expressed on the forum about PWK and of course this speculation is easy to get started and spread through the forum as factual when there is a vacuum of actual first hand knowledge from those that actually worked with and spent significant time with PWK. I sincerely hope You, Roy and Kerry can and will help to clear up the assumptions and misinformation that has existed far to long on the forum so that we all can come closer to knowing the real PWK that so many of us admire and respect. miketn

I think MKP's entire neighborhood is sleeping it off (x-Mark), Beer Olympics is not for the weak. Oh and Mark, I hate to take sides, but that is one ugly Road Runner (and I'm a Mopar guy)!

Thank you for your complete answers. I'll probably bought this pair of speakers, but they are a little far and I have to do 1300 km to pick up them. So I can't do that in a week-end and I must wait for the next holidays in 4 weeks. You're right, first step is to buy them, second to listen to them and I'll have time to decide if I need a sub or not. Just a question: what is the best way to obtain the maximal capacity with the boomer: to put directly on the floor them to maximize the contact with the floor or to use anti-vibrations pads ? @dwilawyer, I'm rather an early music enthousiast (I'm harpsichord, organ and lute player...) than a pure opera enthousiast. But I notbaly like all Mozart's opera (Magic Flute, Don Giovanni, Cosi fan Tutte), Rameau (Hyppolite et Aricie), Gounod's Faust and so other. But my absolute favorite composer is Bach. Thank you again for your answers, I must now wait for 4 or 5 weeks... If you agree, I'll post some picture when the speakers are set up.

She is gone but I don't ...

My 65 Corvair powered 61 VW had IRS (swing axles), my 62 Corvair had IRS (swing axles) and my 67 Corvair had fully IRS. Nonetheless. the car in the avatar would out-handle them all with a solid rear axle, four links, coil-overs and a Panhard rod.

Tigerman, I won a bottle Grand Marnier at an arts auction a long time ago. It took a long time to finish... little sips, a dash over ice cream, some dropped in to some late night hot chocolate... brings back lot of great memories. Thanks, Bruce

The liquor store run must have been a success!

Over in RTM, and in Music Hall, I am enjoying this Copland recording from one of my favorite recording label, and also sipping this lovely spirit from France

More than happy. Elated. Ya'll may have to send beans and rice, hearing aids and someone to pick me up off the floor. Serious juju here! Sent from my SM-N900V using Tapatalk

I have wandered into some of the former employees who were at Klipsch back when I was there (1976-1983), and am trying to get them to join the forum. So, if and/or when they do so, I will post their forum names along with their real names and tell you where they worked, primarily, and what they did. A number of you folks have speakers that they had a hand in producing, and/or shipping. Please give them a hearty welcome when they finally sign on, and keep your eyes peeled for this topic to be bumped whenever one joins. Thanks!

I got some lights for my Ikea Expedit shelves. These things are awesome for vinyl storage and have been popping up on local Craigslist like crazy. I added a rear panel to aid in rigidity and some square dowels to hide/direct the lights and then stained to match. Now I just need to figure out a way to get the lights to play nice with my Philips Hue bridge.

Oh YESSS.... with out question.... that also is one of my all time favorites.... back when I was a teenager one of the neighbor kids snagged a 69 Road Runner with a 440 4 speed for $500.... I was soooo jealous My dad had a 72 Road Runner..... I balled my eyes out the day he traded that car..... He!! ya.... love them old Buicks... Now bump it up a year to a 69 GS-X Stage 1 ....... that my friend is pure American muscle..... 455 cu in ...... 510 ft lbs of torque at just 2800 rpm One of the most under rated muscle cars of it's time...... and I believe Buick made the "last" true muscle car.... 1987 GNX..... The 1st time I saw a turbo GN at the track I was like what the he!! is that. It was running a big block chevy... I'm thinking that big block is going to dust that black Buick... Both lanes were staged..... Buick was spooled up.... lights turned green.... Buick's front wheels came off the ground and dusted that big block... I was like OMG.... They just don't make cars like that any more.... imho.... MKP :-)

On another note, Adrian Beltre is one hit away from tying the hit total of one my top five all timers, (non-pitchers) Rogers Hornsby.

Practically grew up with a 68 GS 400, MKP. Now that was a classy car.

whoa! I must have missed something...the best muscle car ever is a ’69 Roadrunner (Orange of course!).

Afternoon all..... and yea I slept till 12:30 It was a great evening.... lots of fun.... the neighbors friends loved the music.... clipped the Crown a few times... man it was pumping Nobody got crazy or any problems..... The beer Olympics was a few years ago and I think they all have grown up a bit... A bunch of there guests had younger kids and didn't stay late at all.... Even the the young couple has grown up a bit.... they also have had a baby since the Beer Olympics.... and.... He got locked up last year.. He got a DWI last year.... got arrested right in his front yard... At the end of the night we were over there house and they were telling one of there friends about my gear. So we came back over to play some music. I must say it's always funny when someone comes over and sees the Wall-O-Klipsch... This one young lady wanted to hear Marilyn Manson - Beautiful People..... Manson it was.... Chorus I's, Carver TFM-55 and three subs.... She asked if all the speakers were playing? My wife said no.... just these ones... pointing to the Chorus.... Couple other songs were played and we wrapped the night up with Nine Inch Nails.... The BOSS and I got to bed around 3:00 OK.... so nobody liked the Road Runner.... is the best looking car ever... NO.... I like rare unique things... and those things are gold dust... I guess if I had the coin to have one of those I would have other muscle cars. But I don't think I'll have that problem.... "the coin" lol lol Back in the day I had a few old Buicks.... 65 & 67 Skylarks... really cool old cars... got the 65 when I lived in El Paso TX... saw it for sale on base.. it was a Major's car... he sold it to me for $800.... man I loved that car.... It was a full power model: power windows, cruise control, tilt wheel, power bench seat. came with a small 300cu in V-8. I found a 71 Buick 225 with a 455 cu in that I bought just for the engine... But like alot of things it didn't make in the Skylark.... Sold them all when I rolled out to Seattle.... oh well... OK... I'm still dragging A$$.... check-in later my friends... OH.... and no Tiki's caught on fire last night.... MKP :-)

Picked these Chorus II's up this morning. From a guy in town. G.E.M.

Got some Cornwall 2's

Action Jackson is the hottest ticket in college football right now and he plays for Louisville so that will help their cause for sure. That said, winning 4 of the last 7 National Championships puts Alabama in "don't bet against them" department. Fun times ahead this season.

Glad to hear it bbob!

Just ran out of DD, barely enough for my 40 oz to get me going. Time to run to the store and stock up. 2.5 day week coming up and then it's 4 days of golfing with some friends in Pa. How about those young Buckeye's? If they are really that good, and it will take a few more games to prove that out, could be another dynasty in the making.

1/4" so far this morning on the rain. Let it fall!

Good morning everyone.............. You are welcome Marvel, and it was nice having you around RTM last night... HA, the Grand M effects still linger this morning and I have a pretty busy day today, but lots of water and breakfast / coffee should get me going in the right direction! Billy, you are too funny, I was trying to read you last few posts in my foggy morning state of mind and I thought I was seeing things Enjoy yours..........we got RAIN falling, this is rare...........we are in extreme drought here in the NE. I could not mow all of my lawn because it is straw and I could not even see my tracks, so I just did the green parts and I was done before I knew it! Ok, time to start up the coffee and the day......................here I go !

It isn't 100% the power (watts) but how the speaker load interacts with the amplifier. This can be in the form of damping factor, amplifier impedance compared to the speaker, and distortion. I find the distortion is most noticed in the mid-high / high frequency range and the impedance or damping factor in the low frequency. Also the amount of current and damping to offset the back emf of the woofer movement definitely affects bass / mid-bass response. So in amplifiers, a watt is not a good watt, depending on the load presented to it.

Usually but not always.....But I hate the cold don't even really like A/C never had it in my youth so.

Just as an experiment, slide both sofas toward the rear of the room and move the loveseat you are sitting on up about 3ft and pull the towers out about 1ft from corners. This may not be practical for long term but just want to see if your placement/room is the culprit or something with the gear/speakers. Bill

I bet it's cold in Belton at 4am mid January?

I am up almost everyday at this time or before.....effects of working 12 hour shifts and getting up early for work,,,lol

Hmmmm, guess nobody else up at 4:40 Central?

Boy Billybob, been having you a private party around here.

Thanks MKP

Thank you Kerry....! What's important to me is the insight that individuals like you can bring to help us to grasp more fully PWK as a person and his thinking. From the time I first began reading his papers describing his work and discoveries I was drawn more into what I perceived was an Individual with high integrity and someone searching for the truth as the facts revealed themselves to him. I't has been one of my highest pleasures to have obtained the Jubilee 2-way as envisioned by Roy using the Jubilee LF and also made possible by Roy who has been willing to put up with some of us nuts on the forum and a part of me hopes and believes PWK would be very proud of this design because of the excellent data/performance it is capable of. By the way did you ever meet Richard Heyser? PWK and Richard Heyser were the 2 largest influences in how I think about sound reproduction. Oh yea... Roy may have had some influence on me in the last 10 years I been knowing him..!!! :-) miketn

Wife is working an overnight shift, listening to one of Chris' unmamastered CDs, Joni Mitchell's 'Blue'... Takes me back to my 20s... I don't actually get times to just sit and listen to music. It carries me away... Bruce

Holy! #!"!!!!! WOW. Thanks jimjimbo, Weber, billybob and everyone who leaned me in the kg direction. It is amazing. Now 4 Klipsch has entered the room. Reduced the treble on the C20, and don't think I need a sub now!! Sent from my SM-N900V using Tapatalk

Solid rear; that is all. I do straight line and independent rear is NOT good at that. Go grab an import with fart can exhaust and rivet loosening subs or any of the multi-year Mustangs that act / sound / drive the same; enjoy. Now if you get a '67 Mustang Fastback 390 c.i. I will bow down......

One side done. It will be Led Zeppelin, Good Times, Bad Times, Cranked in a few. Sent from my SM-N900V using Tapatalk

Independent rear suspensions are nothing new. My Triumph GT6+ that I bought used in 76 had one. I guess the domestics are just now figuring it out.

Get a running start, it will fit

So much want... and I already own LS2's. But they aren't klipsch anymore... :facepalm:

Can believe it oldtimer... I was almost hustled down in texas but was too inexperienced whart the young bbeautiful blond young petite lady meant when she asked me if I wanted to crash with her that night. Oh the remorse, regrets. Not appreciated in my homrtowm....oh the shame of it all... regardless I still have remorse edit

No, I am breathless, will spend more time starting now... ... feel like humble pie...thanks

I appreciate that very kindly Tigerman. Weber is a friend. Thought t it appropriate watching others do so. You are very sociable and understanding, in the first and present sense. I will and should follow the RTM thread more than I do... Actually as the sodium pentathol is working, I like or love the thread and actually posted a video there in the distant past. Seems it was in response to a BLSamuel about Otis... You are very kind. Thanks!

You'll have to pop her hood for me to take a peek, if you want... LMS...

Wow. Something that was actually easier than I expcted I did a rough cutout of the port at the bottom, making the cutout roughly 12" wide (vs 14 for the port) and about an inch tall, versus around 2". Once cut, I then marked the center of the driver cutout, cut a 6 inch square from there. Pictures will show some of this. Use a sharp utility knife. Replace or flip to other side as often as necessary, as a sharp knife makes cutting especially the circle....easier. Take your time, cut it out in sections, then cut it down to the actually cutout edge. I would guess it took 2 hours to do the front baffles with cutouts, and another 5 hours or so to apply the rest of the veneer a few days ago. So that's around 7-8 hours total, or 4 hours per cabinet. 20-30 minutes per side is a good estimate and then longer for the front baffles. I of course can't speak to how well the PSA will last over time, but applying it couldn't have been easier or better. Very simple, works exactly as advertised and seems to be very, very strong. One of the finishes I need, the dye, is a few days away still, so I have a few days to chill and do some light sanding before moving on to actual finishing of the veneer. 5 step process in mind, dye, seal, fill, seal, seal, seal, lacquer lacquer lacquer....ok maybe 9 steps, but 5 steps with some repeats. Shooting to finish hopefully soon or by the weekend, a few things to buy such as feet and then putting in t-nuts and the driver itself Note to rookies: OMG this is a lot of work Do not start this project with hopes or intentions of finishing in a day or two. As Derrick said in a thread earlier, building the box is actually the easy part time-wise...although sanding it is a bear.