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Dave A

La Scala Modification Fact or Fiction?

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So I inquire about some custom built La Scalas with the claim of much lower bass. Since I am thinking of building a set sometime I am always interested in possibilities. Here is the modification claimed to work. " The top section of the speaker is opened up to the "doghouse" with a plate closing up the back which is normally open, with 2 port tubes facing the rear tuned to 30 Hz. This makes the ported section invisible as far as the appearance."

 Now I know La Scala mods have been beat to death many times over but this is a new one for me. Anyone familiar with this modification to know if it is even possible to do what the claims state?

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I am using google and have a page of links...

 

The Russians have hacked your device. 

 

I can never find a link using the Klipsch Community search at the top right of this screen though.

 

What are we doing wrong (try and keep it related to “searching”  LOL!)?

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When you get to the search bar in the upper right hand corner, right click and select "all content". Then type in ported LaScala.

I got 96 hits off the forums search bar.

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Fact.

 

 

Please contact me by PM and I’ll gladly answer any questions you have.

 

494B93AB-E491-451D-A20E-65DBC408D2EB.jpeg

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Sorry I have been busy today. Yes I found lots of stuff on ported La Scalas per your suggestion. I was typing in garbage and getting garbage back.

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here's a rough sim - the lower one is the common K33E  - besides some gain in the low end, boost can be applied at tuning

 

S8YPvpK.jpg

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At the risk of getting some negative troll like feedback from a member that can’t help himself ( going on past performance ) 

I have heard good results with the above bass mod in the above posts 

 

But I have the other bass reflex version of a La Scala modification 

Its the one that has a seperate lower section cabinet 

Your question is - Does the bass box cabinet increase bass performance in the lower register 

The answer is yes 

However you need to also strengthen the sides of the dog box 

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24 minutes ago, Full Range said:

At the risk of getting some negative troll like feedback from a member that can’t help himself ( going on past performance ) 

I have heard good results with the above bass mod in the above posts 

 

But I have the other bass reflex version of a La Scala modification 

Its the one that has a seperate lower section cabinet 

Your question is - Does the bass box cabinet increase bass performance in the lower register 

The answer is yes 

However you need to also strengthen the sides of the dog box 

 

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2 klipschorns lf cabinets stacked in the corner

both vids sound incredible on a tablet...

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" with 2 port tubes facing the rear tuned to 30 Hz. "

 

Experience has shown that for the K33E 35hz works better, two 4" ID about 7" long (a bit linger if using flared ports)

 

I also use 6th order EQ, an EV Interface A (or similar) device. Virtually any EQ device with a low filter (high-pass, subsonic, infra-sonic, etc.) will work, only needing a couple of resistors to be changed.

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