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PostPosted: Thu Dec 28, 2017 5:34 am 
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Joined: Wed Dec 27, 2017 6:49 pm
Posts: 2
Location: PHOENIX, AZ, US
Hello, I have a question about the "KSU" upgrade for the r645v1 speakers...... What exactly is it?
The reason I'm asking is because I was recently given a pair of these speakers. I am not very familiar with them, so I have been researching them extensively over the last few days. Site, after site, after site keep making references to this "KSU"(kitchen sink upgrade), yet I have not found one that says exactly what it is. I want to know if my speakers have been upgraded or not. Any information would be greatly appreciated.

Thank you.


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PostPosted: Sat Dec 30, 2017 10:24 am 
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Joined: Sun Mar 12, 2017 6:23 pm
Posts: 2
Location: Wolcott, NY, US
The KSU is a crossover upgrade for both the low pass section and the high pass section. I did something very similar to my R645's and later did a pretty expensive highpass change using high end Mundorf silver in oil and Sonicap platinum caps. (Loved what these did). www.soniccraft.com/index.php might be able to tell you more details about the KSU and any further upgrade options. I bi-amp these speakers using the low pass crossover in the cabinet and the high pass caps in an outside box. I love them bi-amped if that is an option for you.


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PostPosted: Sat Dec 30, 2017 10:32 am 
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Joined: Sun Mar 12, 2017 6:23 pm
Posts: 2
Location: Wolcott, NY, US
Try this for some information: http://www.integracoustics.com/MUG/MUG/ ... _research/


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PostPosted: Fri Jan 05, 2018 1:30 pm 
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Joined: Wed Dec 27, 2017 6:49 pm
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Location: PHOENIX, AZ, US
Thank you for the information. Much appreciated.


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