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Some Functional KHorn Questions

bonzoro said:
Here is what the site says. Get the flashlight,

From 1948 though 1961, Klipschorn's had the serial number stamped into the tailboard, woofer access door, or inside the woofer chamber. They are there, even the Heresy's had em stamped in addition to the sticker. Check the bottom i think that's where the access panel is. You'll find it.

the serial number should be stamped in the top center of the rear panel the goes up against the wall and also somewhere by the crossover

If the tag is missing, it should be stamped in the wood near the crossover, often in the edge plys.

You were correct I found the on the edge of the ply. TY
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Found a place on the rear center panel that reads R84 on each of them. But that's it. I don't see anything that looks like a serial number.
 
Parallax982 said:
Guys, I'm a bit confused.

I assume the foam isn't needed here (the circled segment) because that edge doesn't contact the wall. Is that correct? I assume so because the other examples don't show any foam there.


But the part that perplexes me is this. Why is there no foam in the side sections circled below? They definitely contact the wall. Is it because that's where the sound radiates through the screen?
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Max extension from these comes from (a) solid wall construction (think plaster & lath, block/brick) and (b) a large room. If you have gypsum + nothing interior walls, it doesn't much matter how well you seal them--bass will go through the wall. Many people only have one decent corner. We know that is often at odds with interior considerations, but, acoustically, it's worth moving things to use corners (or making something reinforcing to help). Get 6 feet of decently solid corner in a room with 10 ft ceilings even with zero foam and you'll smile like a little kid. BTW, I've used the enclosed rear method out in a room and it's no substitute for stiffer wall construction. There are many examples of custom solutions if you search a bit (and we can help if you come-up short). Find the faux corner sheet and maybe pwk's "half room principle" paper.
 
grindstone said:
Max extension from these comes from (a) solid wall construction (think plaster & lath, block/brick) and (b) a large room. If you have gypsum + nothing interior walls, it doesn't much matter how well you seal them--bass will go through the wall. Many people only have one decent corner. We know that is often at odds with interior considerations, but, acoustically, it's worth moving things to use corners (or making something reinforcing to help). Get 6 feet of decently solid corner in a room with 10 ft ceilings even with zero foam and you'll smile like a little kid. BTW, I've used the enclosed rear method out in a room and it's no substitute for stiffer wall construction. There are many examples of custom solutions if you search a bit (and we can help if you come-up short). Find the faux corner sheet and maybe pwk's "half room principle" paper.
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It seems that even when one finds one's summit set of speakers, there are yet hills to climb. Right now, I'm happy as a clam with them as is -- with just over 8 feet separation, my walls 2 x 6 construction. Heck, one speaker isn't in a corner (just up against the common wall) and still they sound fantastic. I don't seem to need perfection.

I notice that where I stand or sit in the room matters but, honestly, they're great even if I sit on the couch next to one, far from the other. These things are far and away the best speakers I've ever had or heard (as best I can remember). When I was a teen, there was a high-end stereo store my family used to go to. My parents could only afford the very lowest tier of stuff they carried there but the salesmen gave us a chance to listen to all sorts of stuff. I remember being really impressed and wishing my family had money. Still, I doubt anything there was better than this.
 
Love it. Didn't mean to come-off all downer, was just trying to put an unsealed 2" of khorn in a different perspective. We get it, the clam bit (I just cranked some decently recorded piano) :) Smiling both with and for you.
 
Parallax982 said:
It seems that even when one finds one's summit set of speakers, there are yet hills to climb.
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Many people, probably even most, don't put near enough work into getting the room right as they do shuffling gear; myself included. That said, I don't do near as much shuffling as I used to, but still haven't really put any work into the rooms.
 
whoaru99 said:
Many people, probably even most, don't put near enough work into getting the room right as they do shuffling gear; myself included. That said, I don't do near as much shuffling as I used to, but still haven't really put any work into the rooms.
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Yes, the room's far from perfect and will remain that way. I've pushed my wife far enough. She wants the couch on that wall. She wants the book shelf next to the speaker between it and the other couch. We got rid of one book shelf to make space for this thing. She's not crazy about the way the one on the left sticks out into the room. She's made major accommodations for me. And they sound great. She's an amazing person, truly one of the best I've ever known. Not just to me but to everyone. She's a brilliant psychologist. She cares deeply about people. She's a phenomenal mom. If she didn't like these KHorns enough to ask me to sell them, I would. Music is incredible but I'd find another way to enjoy it.
 
Parallax982 said:
Guys, I'm a bit confused.

I assume the foam isn't needed here (the circled segment) because that edge doesn't contact the wall. Is that correct? I assume so because the other examples don't show any foam there.
View attachment 3406928

But the part that perplexes me is this. Why is there no foam in the side sections circled below? They definitely contact the wall. Is it because that's where the sound radiates through the screen?
View attachment 3406929
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Don't need foam at edge of grill, that's in the mouth of the horn. The other places where foam is are intermediate parts of the horn path which you want to seal as best you can. I had my Ks for years (decades) before I did this. It made an improvement. Earth shattering no but an improvement nonetheless.
 
babadono said:
Don't need foam at edge of grill, that's in the mouth of the horn. The other places where foam is are intermediate parts of the horn path which you want to seal as best you can. I had my Ks for years (decades) before I did this. It made an improvement. Earth shattering no but an improvement nonetheless.
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Thanks. I sealed mine and didn't notice much improvement. Not that it needed improvement. Even with one side of one speaker open, they sounded great. Sealing that open side made a discernible difference in bass output, though the cabinet maker friend who was helping me, who's also a music lover, didn't think even that change was necessary. I agreed; not necessary. The room acoustics seem to be working well with the KHorns. But he had cut this gorgeous piece of cabinet grade plywood for me. Stuff one can't get at normal hardware stores; it's all special ordered. I saw no reason not to screw it into the side of the speaker and I'm glad we did.

Since the spines at the bottom of each speaker cut inwards near the floor, the backs aren't 100% sealed. I may augment the foam in those spaces and see what happens. But honestly, I see no need for more bass. I wouldn't add a subwoofer so by sealing them up tight, I'm solving for a problem that isn't there.

I spoke with a tech over at Klipsch. He told me they don't recommend sealing the speakers to the wall. I asked why. He didn't know. Only that it wasn't anything Klipsch recommended. He said they're aware that people do it anyway and he sent me a thread from the Klipsch message boards that discusses it.
 
babadono said:
I didn't think I needed more and cleaner bass until I heard Jubilees....YMMV. And then to kill that buzz I heard DaveA's S-MWM.
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I hear ya. How high is up? If I'm already really happy with something, is it smart to keep probing for ways to improve things further? I have to resist those sorts of temptations, which I have too. The Jubilees are so large, there's no way they'd work in my house. Not unless I really want to be single again. They might physically fit but they'd look silly and the room is almost certainly too small for them to sound good. Plus they'd cost a #$%@ing fortune, as they've not been around for very long. Not going in that direction.

I'm open to the possibility of upgrading components. But not now. I'm still getting to know these things. Some on these boards have made suggestions, though no one's mentioned crites upgrades, which surprises me some.
 
Too small to sound good? You need to talk to Roy
:)
Mine are the UG jubes ...homey could not afford the current ones either.
 
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I use the pipe insulation on the bottom of the tophats (as others have indicated); and rubber garage door seal on the tailboard, as seen here ^^. I used wider seal than this, but I live in a very old house that is far from square.
 
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