Polk Audio CSiA6 Fortress Level Mods

Parts List -
Tweeter Circuit -
Clarity Cap PX bypassed by Clarity Cap ESA
Mundorf Mox

Midbass Circuit -
Clarity Cap PX
Mundorf Mox

Upgrade Features -
Point to point wiring
Fortress Plates
99.99% Copper, Gold Plated Insulated Binding Post
Complete, easy to reinstall package


Price of Upgrade?
Please email for pricing, Vr3Mods@GMail.com
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Learn more about Fortress Mods, Click Here!

Want to Do It Yourself? No problem!

Thoughts from the customer?
"First off, I'd like to thank Trey for job well done. He quoted me 2 1/2 weeks time door to door and it was only 2 weeks and that's 2,500 miles away! What an improvement these crossovers make for music. More detailed tighter bass and cleaner sound. Almost all day Saturday I listened to my music from pop rock, jazz and classical. Putting my system in 5 channel stereo was incredible. Then switching it to Pure Audio so I get full range and just the front RtiA7's is a BIG improvement. The tighter bass and detailed sound coming from just running the front's is a big improvement! I haven't had time to pop in some moves. I've run the YPAO but I want to dial it in with my SPL meter before I pop in my Master and Commander, Avatar and what not to test it out! Again I can not thank Trey enough for the quality and good service I got on these crossovers! Now the rabbit hole gets deeper... gotta upgrade my sub, get a NAS for my lossless files...maybe an amp!!! " - George (Polk Audio RTiA7/CSiA6 Fortress Level Mods)

"I have received the crossovers and installed them right away. The quality of the work you did Trey is outstanding, it's too bad those x-overs are inside the speaker and not outside. Also I have never received the package that would be that well packed.
I am in the process of burning the crossovers in, but I can already hear a difference in sound. I don't know how to describe it but my it is much more detailed, specially in a mid area. They also sound cleaner. Thanks so much for the awesome communication you were able to provide during the process. I just realised we have exchanged about 70 emails all together. That's more then I posted comments on this forum :-)." - Chris (Polk Audio RTiA7/CSiA6 Fortress Level Mods)

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