Old School Polk Audio C4 Subwoofer - Four 6x9 Subs in Isobaric Teardrop Enclosure

Old School Polk Audio C4 Subwoofer - Four 6x9 Subs in Isobaric Teardrop Enclosure

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Take a trip back to 1992 and see this technologically advanced automotive subwoofer up close and personal. The "C4" was a radical design at the time integrating two pairs of 6x9 subwoofers in a push-pull isobaric design. The outer two chambers are vented with a 3" x 5" port, while the center chamber is sealed. The 6x9" subwoofers have the effective piston area of 8", but the oval shape makes for a more compact enclosure. See my overview of the Polk C4 here. Not only do I show the exterior, but I also take off the bottom panel to show how this beauty works. I also take some time to give sound demos of the C4. It is EXTREMELY difficult to capture the quality through inexpensive microphones, so I used a high-quality Sony camera mounted mic for this demo. I recommend using headphones or high-quality speakers to get the full effect... As for the request for donations, this is obviously completely voluntary. I create content for all to enjoy, but spend LOTS on my website hosting, photo/video storage, sound/video equipment, old school gear to review, test equipment for my lab, etc. I'm hoping to be able to continue making videos and sharing them with everyone, but surely there are some folks out there who can spare a few bucks to help me continue my operation? See more on http://www.oldschoolstereo.com Subscribe to my channel: http://www.youtube.com/bigdwiz Follow me on Twitter: http://www.twitter.com/oldschoolstereo Keep it OLD SCHOOL!! -BigD

old  school  polk  audio  c4  subwoofer  -  four  6x9  subs  in  isobaric  teardrop  enclosure 

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Tags: Polk  audio  DXI  12"  -  Subwoofer  Excursion  -  Bass  I  Love  You 


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Tags: Blew  My  6X9 


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