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Posts posted by geoff.
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On the upgrade to AL-3 path, the AL uses a different autoformer than the AL-3, so it’s gonna be tricky/more costly to get the approved parts.
I would be leaning towards something that may bring out the highs better, a mythological thing hither-to-unknown to the people of this area…
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On 1/25/2023 at 1:39 PM, Ed Wolinski said:
I have to locate a 15” woofer for one of the LSI’s; replaced the tweet diaphragms last night. Need to find a line on obtaining the correct woofer before I can proceed.
Ed, I think a (former) forum member has exactly what you need, at a sweet price on eBay right now. Search K-43 for your LSIs.I bought one of his about a month ago.
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Silly question, since you mentioned Audyssey, is the DSP bypassed?
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...maybe he spent the money on magic beans, er, crypto?
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I think he should return the money, if that is what you want, finish the amp whenever time is on his side, be it another year from now, and offer it to you first at the agreed upon price.
If not wanted others may have the option to buy it at the actual finished cost, which will no doubt be more.
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As to the amp maker, I believe his intentions were good.
But I recently read something that rung bells with me:
“Never make a promise when you’re happy, never reply when you’re angry, and never make a decision when you’re sad.”
The ego writes cheques (checks for youse guys) the body can’t cash. -
With regards to the AA crossover recaps using polyesters,
What were your impressions?
Thanks!
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…that’s one magic K-77, lol
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Those are rare.
They have a different horn configuration too.
They should look like this:
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On 1/18/2023 at 11:58 PM, Rolox said:
Hi everyone,
I was just wondering: how come my ALK Universal crossovers, with 3619 autoformer, has many different attenuation taps when it's supposed to have only -3, -6, -9 and -12dB? There must be something I don't understand..
Those (0), -3, -6, -9, -12 settings would have been based on the T2A autoformer used in Klipsch crossovers.
Al sourced the 3619 for many more attenuation options.
As Dean said, the 3636 provides many more options than the T2A as well, but many are redundant, ie. different combinations yield the same or .1 of a decibel difference. Looks like about 6 of the 28 combinations are redundant, and 4 of them are above -18db of attenuation which I cannot fathom ever needing. So each of them has 18 useful combinations?
I have never been privy to a 3619 autoformer, but I know my OCD would prefer it’s even 1 db steps.
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Travis, there is great similarity with our shared passion here.
The “DF factor” (restriction) of the lines is critical to the resultant pour.
I may try splicing polyester capacitors into some of the competitors problematic installs, lol
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I actually have a friend that tried this a year or so ago. Not sure what site.
I’m not making this up, the usual “order has been placed, order has been shipped, here is your tracking number” emails were sent.
When the “pallet” arrived it was a miniature pallet the size of a chess board and contained a handful of items that might have an exaggerated suggested retail of what the whole fiasco cost.
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…see, I had no prior knowledge of this Klipsch product until the last post.
This is the kind of free exchange of information that will be missed the most. -
Ok, so for future discussions on this forum, is there an acceptable terminology to describe the projects or modifications?
Homage to the trademarked product followed by dash inspired, eg. Cornwall-inspired?
Or cut right to the chase and call it “Bastard-Cornwall”? LOL!
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1 hour ago, Travis In Austin said:
Seem to recall you helping add to that roadmap over the years.
what do you service?
For the past 22 years I have been a “draft beer technician”, a beer plumber.
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What got me on this forum was hearing a pair of Heresys for the first time in the background at one of the many bars I service.
Every bar has a sound system of some degree, but nothing in the ten years (at that time) caught my ears like that.
A closer look showed a Klipsch label, and a couple of google searches later I wound up here.
A couple of weeks later and I wound up bringing a used pair of Heresys home.
And this forum has been a roadmap ever since.
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Ed, your aluminum La Scalas with the AL crossovers are the “Industrial” version, LSI (La Scala Industrial). They should have a different woofer than the others, the K-43. I quite prefer the K-43 in a LaScala. It’s all that and a bag of chips in this application.
You could quite easily do an apples to apples comparison with your windfall.
Take a pair of AAs from two of your non industrials and swap them into the LSIs. Run a pair of each, regular and industrial , with the AAs for a while with familiar music and see which sounds better, apples to apples.
When you have decided, throw the ALs back in the LSIs and see if it appeals to you.
The AA crossover is a benchmark.
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If you buy the Forte 2s with the titanium tweeter diaphragms and never search this forum again you will be very pleased with your purchase.
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…I would buy those for $1300 on principle alone
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Yes!
”Test in an inconspicuous area.”
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…it was a steal of a deal
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…may find information on a shorthorn a tall order?
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3 hours ago, chuckears said:
Did it. Have some skill if you wish to attempt it all on your onesie... I took my time and had the usual frustrations with little silly things. The autoformer loves to be in the way every time you turn the board over - I didn't really wish to de-solder either it or the hook-up to the terminal cup.
I've only performed it on one speaker thus far, and can't claim to hear a difference - not nearly as much as when I Crites-ed my Fortes several years ago. I chose to go factory with this re-cap, since I wasn't familiar with the Chorus II "sound" (that, and the $500-plus cost of the Crites boards is currently a little off-putting).
A before-and-after comparison of frequency sweeps using ARC Genesis doesn't show much change either... my guess is that the original caps were still within spec. I at least have the satisfaction of knowing it's doable, and that these caps should be good for quite a while. Not sure it was worth taking up most of a morning of a day off, but now I know.
@chuckears, my experience with recapping a pair of Chorus 2 crossovers was pretty much inline with yours.
I could not tell a noticeable difference one way or the other either. Mine was a few years back using retarded cheap (at the time… everything is doubled or tripled now) Erse and Bennic polyester caps before the JEM phenomenon was what all the new kids were into.
Had the same “meh” moment with a pair of B-3 crossovers similarly recapped.
In both cases I chocked it up to the stock capacitors likely still operating in spec.
A pair of AAs with the “cans” however, was another story all-together, DAY AND NIGHT. Up until that point I could not understand why anyone liked the AA crossovers. Tried them in La Scalas with the AL and AL-3 stock and each time was let down. It was as if the tweeters were missing until the recap.
Already had a pair of Chorus 2s but got the crossovers cheap off eBay as an experimental pair, likely from someone who went the Crites route as I didn't get a terminal cup, and just like you I remember dreading dealing with that delicate autoformer. To make sure I didn’t dig myself deeper into a hole I “breadboarded” them.
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SOLD: Pair Finished Fastlane Engineering 2" Eliptrac 400 Horns
in Garage Sale
Posted
…I’m never shoveling my driveway again, I miss too many sweet deals