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Chief Bonehead Class Fall 2024 - La Scala Reborn - My Report


MMurg

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Very good review MMurg, also accurate, thanks for the pictures. 

 

Also thanks JWC for the pictures and it was nice to see you and Mark. It was nice to see everyone else also, a big part of what makes these things fun for me.

 

And of course Chief Bonehead or even Chef Bonehead at times did  great job as usual with another new design, well done. Much more bass to the LaScala, just what it needed + new horns/drivers for a total improvement in a big way, PWK would definitely approve.                                     ps, I like the active

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Can you please explain in layman terms what a triamp DSP is?

More importantly, what would I need to purchase to get this great sound? 

We watch a lot of movies as well as listen to music so ideally I want something straightforward to use

The pictures look like he has something he made himself which is way above my ability

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3 hours ago, Mikecan said:

Can you please explain in layman terms what a triamp DSP is?

More importantly, what would I need to purchase to get this great sound? 

We watch a lot of movies as well as listen to music so ideally I want something straightforward to use

The pictures look like he has something he made himself which is way above my ability

 

The new La Scala will ship with a traditional passive crossover network like the current version.  An available option will be an active DSP crossover.  This will split the signals for the tweeter, squawker (midrange), and woofer at line level, before amplification.  Therefore, you will need three channels of amplification (triamp) for each speaker.  This configuration sounds far superior to the using the passive crossovers.

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I am curious as to how the sound of the new active AL6 compares to the Frankenstein referred to as the "Jubescala".  I know this isn't an apples-to-apples comparison, but I would interest in hearing what your impression/comparison between the 2. 

 

This may be the all the explanation I needed. 

 

"The sound was as close to the Heritage Jubilee sound as I’ve heard from any other Heritage speaker"

 

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1 hour ago, Flevoman said:

 

Ohw really??. 

I thought that the AL6 was active only. 

 

Roy's original intention was DSP only.  However, others thought it might hurt sales to require tramping.  So, Roy did passive networks as well.

 

However, in my opinion, using the new La Scala with the passive networks would be a colossal mistake.  The passive and active configurations don't even sound like the same speakers.  The triamp DSP configuration is far better sounding.  It's not even close.  I imagine this will be the same with the new Klipschorn. 

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I was there too and I agree with everything Murg said. The active and the passive are notably different.  I like the active.

 

Many many years ago when the underground jube became available, in the same room I've heard many renditions of passives versus the active. There were some times there where I like the passive better and they were very similar to the active. However with this demonstration, the differences were obvious.

 

 

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3 minutes ago, Schu said:

Were there ANY filters/treatment being applied with the dsp vesus the passives?

Or did everyone forget to ask...

 

Roy said there are various PEQs, etc. being applied in the DSP to get very flat frequency response and good phase response.  What those are and how many there are were not revealed at the class.  (This was also never revealed for the Heritage Jubilee.  I assume they consider this trade secret information.)  Roy attempted to implement as many of these in as he could in the passive network as was practical within the size and cost considerations.  The new passive network is so large it had to be split into two boards whereas the AL5 network is only one.  However, he could only do part of that was done in the DSP, and he also could not do the driver time alignment that's possible with the DSP.

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With the dsp, does it take the analogue signal from the preamp, then convert it to digital, and after processing, then use a dac to convert it back to analogue to send the signal to the amps?  If that is the case, will that essentially remove or dilute any tube warmth and expanded soundstage that asystem might be getting from a tube preamplifier?

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So glad Klipsch is doing this.   Some simple DSP work would really help the AK6s reach their full potential (which I believe to be significant).  I was going to venture off and build a dsp kit myself before finding this thread.   Can't wait until its available!

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