
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 www.oldschoolstereo.com Subscribe to my channel www.youtube.com Follow me on Twitter: www.twitter.com Keep it OLD SCHOOL!! -BigD
oldschoolstereo
bigdwiz
polk audio
c4
subwoofer
speaker
bandpass
enclosure
car audio
car stereo
subwoofer enclosure
push pull
kicker
rockford fosgate
Bass
Loudspeaker
Sound
System
Speakers
meade916
exocontralto
Sony Vegas Pro
public domain music
panasonic
tm-700
1080p
1992