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Posts posted by geoff.

  1. @Jeff Matthews, everything changes when you change anything, whatever balance you have now will be different if you take a different path. Whether you like the change or not is entirely your business. Different is fun too, but the engineers had a plan.


    It looks to me like you have type A crossovers in there right now. I am going to ASSUME the tweeters are the round magnet Alnico version and the K-55 is the single phase plug version as well.


    The type of drivers in your speakers are an important consideration when choosing a path. There are limits both in frequency response and power handling depending on what drivers you choose to use.


    If you like the way they sound now, new polyesters will preserve that presentation. Probably make it a little clearer considering the age of those capacitors in there now.


    @jjptkd’s idea about trying different caps is a great idea. With a little effort and a very small outlay you can be sure which path you prefer.


    I really enjoyed a pair of Crites A/4500 crossovers I had recapped with polyesters in a pair of LSIs (before Crites offered a copper version), albeit with aftermarket tweeters.

    When pushed a little harder they held it together better, but at low to moderate levels, the “bright” Sonicaps were more revealing. Your ASSUMED alnico tweeters won’t appreciate being pushed hard, so that is a serious consideration, replacements for them are not falling off trucks.

    IF I understand the driver complement in your Khorns correctly, I would expect the type A crossover using a K-55 that rolls off at 4500hz to sound very similar to what I was using. 






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  2. @Deang


    In the decade or so I’ve been following this forum you have always been the catalyst for progress and knowledge. Sometimes at the expense of a few battle scars, but always emerging as a rational voice.


    I would just like to take this opportunity to thank you for your DECADES of positive contributions. 


    None of these forums would be the same without you.






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  3. Yes! What a difference three years does make.


    Looking back at this thread after finally building a pair of ALK clones, or five to be exact…


    That 33uF cap in the CSW 450s is/was not doing your La Scalas any favours, anyone’s for that matter.


    That is the value for a 600 Hz (roughly) cross, a 47uF cap will make the La Scalas come alive.


    No wonder you preferred the Volti VTK 400s, amongst other reasons.


    I would bet the Volti has two 24s paralleled for 48uF. 






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  4. Hi @jjptkd, yes the 396s use the same foam, and probably the same spacers on each screw holding on the grille. Hope you had your speakers laying down when you pulled the grille off, lol. 

    Just this week I finally got around to cobbling a make-shift pair of stands.


    I think I paid about $50 CDN for the hardware at Home Depot, what a time to be alive, lol.


    CAVEAT ! They are little front heavy, if bumped from behind or pulled from the front past about 10 degrees they are going to tip forward.


    I just wanted something to get the bottoms off the floor to keep them from getting scratched and at the same time raise the horns to ear level, I’m 6’5” and the 6” of lift on these speakers is perfect.




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  5. I think you are thinking of the Tangent 400. It was a Heresy 2 in taller ported box. There was a Tangent 500 too, using a passive radiator instead of ports.


    The later series Tangent 4000/5000 are the real sleepers. They had 4 ohm woofers and noticeably better bass as a result. 

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  6. @Mom,


    Turntables are a very personal item, not like getting him a tie, lol.


    You’ll need to get a mole in the organization and ferret out what his heart desires.

    …someone with an appreciation for all things audio, get them chatting him up and have your agent straight up ask him what he fancies



  7. Recent developments and advancements in the understanding of all things Klipsch have led to the conclusion that the K-77-M should not be used with an AA crossover. It is too hot. WAY too hot. The K-77-M is pictured in this pair of La Scalas.


    The AA crossover was also designed to be used with the single phase K-55-V. In the speakers pictured here the date code is “W” which would imply the dual phase plug (soldered lug) K-55-V is used.


    The dual phase plug driver extends higher than the single phase plug driver and is not optimal for the AA crossover as designed.


    Whether these came stock from Klipsch like this, or they were modified, I don’t know. I do know there were anomalies during driver and crossover changeover years.


    But as these stand right now, they are not representative of what the Klipsch sound should be, according to recent discussions on here, with all the graphs to prove it.


    Don’t despair, others in better condition for the same price will be along soon enough. And when they do show up don’t hesitate to ask away on here.


    Welcome to the forum,




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  8. @Jeff Matthews,


    A Bluesound Node will give you free access to Spotify. There will be commercials periodically, but nothing like You-Tube. The only trade-off is you won't find Neil Young on Spotify, LOL!


    You will also find every radio station you've ever heard on the Node. But that will get old fast once you start chasing every album you never owned on Spotify.


    I rarely ever listen to anything else now. 

    I never understood why people were selling off entire CD libraries, until now.



  9. @Deang, a little late to the party, work is really starting to get in the way of this forum, but I snapped a picture of the terminal cup/plate. Ya, who knows what someone else did to those La Scalas before I got them? They had an $8 Rat Shack piezo tweeter in one tophat and one K-43 ohmed out at 20 ohms. 


    For eight years now I have been trying to figure out what is wrong with my perception because a pair of pristine AA crossovers, even after recapping with pseudo-authorized (mylar) capacitors,  has never sounded like “all that and a bag of chips” in any of the FIVE pairs of La Scalas I’ve owned over the years. Each pair had K-55-Ms…


    I never found the midrange to be too loud, I always found the treble not as bright as I would have liked, but that is not uncommon for me. Before recapping I had to put my ear up to the K-77s to ensure they were working.


    Now though, even with colorful puppets to explain what I was hearing, thanks @mboxler, I’m left with questions.


    Hypothetically, not suggesting anyone modify any Klipsch product, how would a person correct for the overlap using an AA crossover with a dual phase plug driver?


    I seem to remember a suggestion to add a .35 mH coil to the positive squawker output, a la A/4500.


    Would another possibility be to add the same elliptical filter used in the AL series of crossovers and change the .245 mH to .125 mH? 

    I really want to hear what the fuss is all about with the AA crossover. For starters, I imagine the un-smudged crossover would result in better imaging. 

    So is what I’ve been hearing more like an “A” with better tweeter protection?


    Another question now springs to mind… how did the widely accepted crossover points become 400 and 6000 Hz if the graph clearly shows 4500? 

    …my whole life has been a lie, lol












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