Dave A
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Posts posted by Dave A
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I was referring to the lust for more bigger better different etc not components. Components can be a slippery slope too if you start going for those fancy hand rolled capacitors with mink oil and beeswax between Platinum and Gold foil and pure oxygen free stabilized Silver leads.
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That's a slippery slope you are contemplating and you can ask John what your future might be
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Probably will be fine. Companies have a habit of cutting corners where they can and if it does not hurt the product to much and meets their "minimum" specs. After measuring what I did with the old electrolytics I decided to do away with them since I could at $38.00 per board. Lots of great sounding La Scalas out there with these in them.
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I just finished recapping a pair of AL-3's and I used the Erse 68uf Pulse-X at I think $19 and change each. The old electrolytics measured right at 120uf and bad ESR. I happened to have a set of AA's recapped at the same time and the difference between the two types in La Scalas is pretty significant. I been told and have read that the electrolytics are OK to use like this but after seeing how degraded the electrolytics were compared to the other capacitors which were OK (no not as good compared to new polys with ESR higher than I choose to use) still I decided to change them all out and future proof this crossover for decades to come. I always figure that design specs are there for a reason and the closer I can get the better and polypropolene beats electrolytic.
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Woofers are different for sure. K-42-KP for later 250's and K-42-K for these earlier ones. Stamped basket VS cast aluminum. I will try to answer your question regarding crossovers later as I make time to check these out. Hoping to pick up a pair of HIP's today for "parts" as the listing says. I have no idea what that means but I am going to find out.
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I have two pairs of KP-250's that are different than any I have had before. They have a cloth on masonite grille cover, K-42-K woofers instead of KP-42-KP's and a build date QA tag from 1989. The only information I can find from Klipsch talks about 2000 to 2004 for KP-250 builds. These are far more musical than the later KP-250's I have had. Does anyone have information on these?
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Hmm, well dogs chew. Of course some Dave's Insanity hot sauce applied to the chew marks quickly ends repeat episodes.
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No replies as of tonight. Parts Express has some sizes but mostly for their own speaker line and some flat pieces but then you have to cut and bend it from there if required. I am looking at some 4' x 8' sheets 16g with a 62% open area. Stainless steel is about 40& more than plain steel and I am thinking about using it since I like the color of Stainless and it will not ever need paint. Keep in touch and I might start making some as I have a shear and metal brake. I have about given up finding any for sale.
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I guess it depends on where you live. I am driving to GA tomorrow to pick up a pair of La Scalas with those "lovely" AL crossovers and paying $1,000 to do it. You absolutely can't buy La Scalas around here that I can find in good shape with desirable crossovers for less than $1,500 and even more with upgrades for the last six plus months. It seems like prices have just gone crazy. Maybe there are private sales where people know each other but not any public ones. Anyone within a few hundred miles of Nashville with a pair wanting to sell I am looking. Last pair I saw on Craigslist in this general area was up for almost two months and the guy would not budge on pricing. I figure he got what he asked for because he said he would take no less. He has had a pair of Belles for sale for just as long and has not sold them yet and I am sure it is because he is adamant about getting what he is asking. Yes I see them in southern FL and read about them out west but not around here. Oddly enough if you like Cornwalls there are some of those around for $900 to $1,000. They were scarce as hens teeth for some time but not now.
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And with those lovely AL crossovers to!
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I have had to go the Eminence route on some of my speakers but they were never the same exact size as the cast aluminum frame K-42-KP's were. I think they are proprietary manufactured for Klipsch to be different than any of the for sale to the public speakers. Sales reps at USSpeaker and Partsexpress do not have anything with the same exact physical dimensions. I have a collection of bad KP-42-KP's going looking for a good re-coner.
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4 minutes ago, Edgar said:
My humble opinion: Buying vintage audio gear is kind of like buying vintage cars. If you don't have a passion for them, then you will probably be disappointed because the new stuff has so many modern features that the old stuff lacks. But the old stuff has character (and sometimes performance) that the new stuff cannot even approach.
Thanks Edgar for clarifying that. This SAE stuff comes attached to a Cornwall I would like to get but I think I will pass. My setup will not yield the very best audio experience and I know that since my "sound room" is out in my metal working shop where hard flat surfaces abound so I think I will stick with what I have for amplification and source. Oddly enough I go through cabinet speakers and invariably end up back with my Pro La Scalas since they seem to have the ability to overcome my listening environment limits better than anything else I have had in here. I do like the bass in the Cornwalls though.
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OK does anyone who is reminiscing have an opinion of fair price or whether these are worth getting? My questions were is it worth getting equipment this old and if so what would be a fair price to pay. I have a limited amount of time to respond before these go away and I have no idea of what I am looking at. Personally I am happy with a good PC with an HDMI signal splitter and Crown XLi 800. I have been to all the sites referenced and more but no current real world values and they are sites with an SAE love fest going on so they are not impartial sources of information. Very few sites too I might add which has always been an alarm bell for me.
I really like what I have now where I can hook up to my Quadro M4000 graphics card HDMI port and get pretty good quality sound and this older stuff has no where near the hook up options.
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Not right now. You don't happen to have any K-42-KP's do you?
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The KP-260 will go down to 50HZ and up to 15KHZ according to specs. The crossovers were rebuilt by Crites and there are new Eminence woofers in there. To darned hard to find K-42-KP woofers or even get them reconed at any reasonable price so eminence it was. Duratex coated. These sound pretty darned good and are in very good shape now. I have two pairs and they are $500 per. Personally I prefer these over the KP-262's
KP-262's which have been talked about in various places in the forums before. See attachment for specs. These have the crossovers rebuilt and recoated with duratex and are in very good cosmetic and aural condition. They do not have grilles and came from a church where they were flown. These are $475 per pair and I have two pairs.
If there is interest I will post pictures. Did not today because I have to get my camera back before I can do so.
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I have a guy who called me with an old stereo system and I want to get feedback on the components. They are as follows. SAE T102 turner, SAE C102 cassette, SAE P102 pre amplifier, SAE A502 power amplifier, Sound shaper equalizer/analyzer model SS-525X and finally a Pioneer PD-M450 CD player. I have looked online for info and there is some but not a lot of feedback on reliability and actual user comments on quality. Normally on something this old I would have absolutely no interest but I don't want to pass up something worthwhile. Boat anchor or vintage thing of beauty? Whats a fair price on a system like this assuming it all works right?
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On 11/21/2017 at 9:23 AM, JohnA said:
I like film and foil caps best, like Misicaps or Daytons, but Solen metalized film caps have worked well for me, too.
Add to that Erse. Never used Misicaps but I have used the other three on probably 12 sets of crossovers now and every time was a noticeable to very noticeable improvement and they don't break the bank like fru fru fancy caps do.
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I think even though the one looks like black measles it will be OK. If I ever sell these things though I figured they would beat me down because of it. That is why I want to know about the weights because if I can make the perfect KG4's work properly in the Fortes I will switch them in a heart beat. So I am back to can anyone tell me specifically the difference between KD-12's and 13's.
I think you are probably right on the slight weight differences audibly and I have switched them and can't hear any notable differences. My big concern was travel on the passive cone meant for different woofers and I have no idea what the other ramifications of substitution will be. Klipsch did not just arbitrarily decide to make these different.
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I have a specific reason for asking by the way. I have a pair of Fortes with little bitty cat claw holes in the passives. I need to either slobber some speaker cone glue on them and hope or replace them. I can't find any KD-13's but I do have a pair of KD-12's if they could be made or are already a sonic match for the 13's. Anyone with knowledge on this I would sure like to hear from you.
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" Don't go by Houston prices. Used prices in Texas seems to be retail plus 10%! It's hard to find a deal where you are. "
Don't go by middle Tennessee prices either because by your standards we are 10%++
I wish I could find prices as low as you are always talking about. For the past year and a half I have never seen Fortes or Chorus I's or II's or La Scalas for sale even close to your "average" prices in the middle Tennessee area. How do you generate your averages? Speakers are scarcer now than a while back and more expensive unless they are beat up. Heresy's sometimes can be bought for $400 never less if in good shape.
So where are the deals located that generate your low averages? Maybe there are some around here that have sold as cheap as you claim but they must go really fast.
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I had a KD-12 and KD-13 side by side today and I could see no difference. Could someone explain what the difference is and can a KD-12 be altered to work as a KD-13?
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On 11/8/2017 at 4:17 PM, JohnA said:
Ooh, Interesting! It's hard to tell, but it looks like a 2nd order low pass, maybe with contouring on the woofer (like E2), a first order high and 2nd order low pass on the squawker, again, maybe with some contouring and a 3rd order high pass fed by a resistor, to further attenuate the tweeter. The tweeter circuit looks similar to a Type AA.
Just think John, it could be all your's
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OK what would make it tuned for a large theater environment and what impact does that have on regular two channel stereo use?
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I like these better than Heresy's. The 262's have Crites rebuit crossovers and new Eminence woofers. recoated in Duratex. I am not sure what the difference here is between these and 260 since they sound the same to me. The 260's do not have grilles but otherwise are in top shape. Rebuilt crossovers and recoated with Duratex these look good and sound good. $450.00 per pair and if there is interest I will upload pictures later today. The price on the 260's will go up soon If I end up buying a sheet of perf metal to make grilles with. Southern middle Tn is the location.
La Scala AL 3 Crossover Mod Questions
in Technical/Restorations
Posted
There is a study quoted often out there where a guy used "high end" capacitors which cost up to four and five hundred each. 10% tolerance for many of these jewels and I figure it was tuning sound by inducing distortion for lack of a better word that the end user preferred over stock sound. I tend towards wanting to hear exactly what I would hear at a concert and I know their amps do not use these fancy costly designer caps. I am happy with what I have used and that is what counts and it did not break the bank.
"I have been a Ham for nearly 37 years, so not into hocus pocus.
Honestly, I think a lot of the differences people hear in Caps comes from replacing bad old caps, with new Poly ones.
I have re capped many vintage speakers, using decent quality bipolar electrolytic capacitors, with excellent results."
THAT is the best viewpoint and if you are well pleased with the result this is good and you saved money doing it. I like the polys and have no problem finding any value I need and from all I read they have a longer life than I figure I have left and there is always a noticeable improvement over the old stuff.