pcbiz
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Posts posted by pcbiz
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Outfitted the first squawker with my Kilmat scraps. ALK's advice on damping material is really good advice. This is my third horn damping effort; Heresys, Chorus IIs, and now my La Scalas. My speakers consistently sound better with this treatment.
The first speaker is done. I'm not going to change the caps right now. I'd like to see how they sound with new wiring. When my ALK crossovers come in, I will probably use an Audioquest type of wiring.
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Pretty dusty, but no leaks or corrosion. I'll clean them up, and see how they sound connected to new 10AWG copper wiring.
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9 minutes ago, jjptkd said:
As far as I know they have not changed mid drivers on the Heritage, all use the Atlas driver same size.
Ah... ok. Well, they sound bigger so I want them.
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3 hours ago, KT88 said:
To be honest I don't know if it's a real desire that your beautiful vintage Lascalas should sound like a modern AL5 Lascala.
There are so many recommendations and advice on what to change and improve.
Of course, modern AL5s sound also very good out loud. Your vintage Lascalas sound especially good soft to medium loud.
For example, if you like your Alnico K77s then keep them. I'm definitely keeping mine.
All modern drivers and horns may be an improvement or modernisation.
But my now 62 year old ears like Alnico.
I have temporarily installed K77M in my 1977 LS because the original Alnico K77 are being restored, magnetised and new diaphragms. The K77M ceramic magnets sound much less emotional to me, and psychoacoustically this impression extends to the whole sound, not just the highs.At the very least, I would keep all the parts and compare them from time to time with the so-called improvements.
I like alnico, too. I have blue alnico speakers in my Vox AC-30 guitar amplifier. The amp sounds great on Fender Rhodes, too.
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2 hours ago, twistedcrankcammer said:
I have owned tons of Klipschorns and LaScala and the AA crossover sounds best to me of the older speakers.
Hmmm.... Perhaps that's why Al offers the Super AA-X upgrade for $130.
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10 minutes ago, jimjimbo said:
Good luck getting your vintage LS to sound like AL5. Vintage LS are constructed of Baltic Birch, AL5s are much thicker MDF, but I'm sure you know that.....
Yes, and the AL5s have a 2" mid driver. Actually, the 2" mid driver is why I'm getting the AL5s. That's a mod I'm not willing to do for these old La Scalas.
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2 hours ago, Coytee said:
Are those spade ends also pure copper? If not, would they nullify the benefits of pure copper?
(I'm just a wire hag that uses store bought direct burial low voltage lighting wire)
Maybe I'm just a hag, my wife might agree.
Regarding the 402/510....do a lookup on them. If someone puts "X" amount of funds into fixing up LaScalas but more importantly, are actively looking to distinctly improve their sound, then that is likely going to be the most significant single upgrade that you can do..... but it's not what I'd call inexpensive. Right now, I'd say you are dancing on the periphery of improvements. The 402/510 and actively biamping them is jumping into the serious end of the pool.
If you ever get near Knoxville, you're welcome to hear what I'm talking about. (I have 1979 LaScalas and 402's so can do a side by side comparison after some equipment swapping)
The spades carry the sound of the thicker wire nicely. If I had spades with a better metal, that would probably help, but these spades have worked just fine with my Heresys and Chros IIs. As far as bi-amping goes, I'll do that when I get the AL5s. Right now I just want to hear these old speakers sound new ++.
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K-77 tweeter tricked out with 10AWG pure copper audio wire.
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29 minutes ago, RandyH said:
AA are pretty good -no need for ALK ,all you need are possibly new klipsch capacitors
Good to know. I'll do an A/B test.
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1 hour ago, twistedcrankcammer said:
Your cabinets look to be in good shape !
They're actually pretty beat and scratched up. They were stored stacked with one on top.
AA Crossovers. I'm impressed by the sound, even though I know an ALK crossover will take them to new and improved sonic capabilities.
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3 minutes ago, twistedcrankcammer said:
I just bought another pair of LaScala on Saturday. Does your K-55 have push pins or solder terminals.
Push pins. Very convenient.
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46 minutes ago, twistedcrankcammer said:
Pics or it didn't happen !!!
It happened, and it was dusty. All cleaned up now and ready for Kilmat. The K77 tweeter sounds pretty nice. I may keep them.
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32 minutes ago, Coytee said:
K402
or
K510
or
K402
or
K510
or
K402....
Just thinking out loud....
Good timing. I just pulled one out. It's a K400.
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Very first update. I replaced the K-55V rubber washers. The old ones (see pic) were pretty dried out. This $8 update really does improve the mids. It's the first time I'm hearing the highs in Frank's voice. The horns in the orchestra are sharper as well.
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Here they are. I'm going to see just how close I can get them to the AL5s. I'll get the AL5s later, but tinkering with these will be fun.
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Keeping both is definitely the best idea; I just can't do it right now because of limited space. Covid killed my 'bigger house' project, but as soon as I'm back on track, the Big Klipsch Show will resume!
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1 hour ago, RandyH said:
then buy a pair of Lascala - they always come up ,
I just did. They're a bit beat, and definitely need new crossovers. Funny thing... right now my Chorus IIs sound better.... but in the pic, you can tell they're jealous.
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1 minute ago, RandyH said:
what are Chorus II experimental Pairs ?
I just wanted to see if I could get them to be mini La Scalas. I made some really good sonic improvements, but they're not La Scalas.
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My Chorus II crossovers. One was not functioning (short wires) so I replaced them both with new Crites crossovers. I'm passing these on to the new owner of my Chorus II experimental pair. It was a very good experiment.
Is anybody rebuilding these? I just thought the new owner would like to know.
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41 minutes ago, Rich71 said:
Hi. I sent you a message through marketplace on my friends facebook. It has my cell number on it. I'm in ohio
ok
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This was not the plan, but I picked up a La Scala pair before I sold my Chorus IIs. All original La Scalas vs upgraded Chorus IIs; the Chorus II pair definitely have better highs, punchier bass, and more detailed mids.
However, I can already imagine the sonic upgrades for the La Scalas. The Chorus IIs are jealous.
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4 hours ago, Rich71 said:
Interested if they are still available
Yes, they are still here. Send me a private message with your cell number if you can.
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17 minutes ago, Westcoastdrums said:
I honestly feel that this is a solid deal with the going prices and the upgrades. If I were closer, we'd be talking. Someone should pick these up if you seee thinking about them before they are gone. They don't pop up like this often.
Thanks. Another little audio factoid; the upright bass and electric bass are more defined and less boomy after installing the new styled solid pine risers. This may be a factory secret. Hmmmm....
My first La Scalas
in Technical/Restorations
Posted
They're all set up now. Listening to Nora Jones CD. On "Don't Know Why". Nora's voice is much more natural and present with these little upgrades. Guitars on the other tunes are crisper and more detailed.
I do understand now what everyone says about the conspicuous absence of bass on stock vintage La Scalas. I've got a fix on the way. These speakers are great.