Basshead08 Posted March 2, 2010 Report Share Posted March 2, 2010 I was looking around in the psi forum over on CACO and saw a couple passive radiators. What are their purpose in car audio? I've never seen them in a build. Quote System tear out has begun...Out with the old i have a iq of 128 i graduated at the top of my class tell me how im reatrded you are the 1 thats dumb as hell you can't even spell Look at the underlined text hahahahahahahaha I think of it as the virgin losing the virginity technique not just jumping in to it, and pounding away, but going at it slowly over time, to get to that full extreme Link to comment Share on other sites More sharing options...
Sanitarium Posted March 2, 2010 Report Share Posted March 2, 2010 I was looking around in the psi forum over on CACO and saw a couple passive radiators. What are their purpose in car audio? I've never seen them in a build. a passive radiator is used like a port. weight and stiffness is changed to change it's tuning. Quote Link to comment Share on other sites More sharing options...
Basshead08 Posted March 2, 2010 Author Report Share Posted March 2, 2010 What are there advantages and disadvantages? Just curious because like I said never seen them actually in use. Quote System tear out has begun...Out with the old i have a iq of 128 i graduated at the top of my class tell me how im reatrded you are the 1 thats dumb as hell you can't even spell Look at the underlined text hahahahahahahaha I think of it as the virgin losing the virginity technique not just jumping in to it, and pounding away, but going at it slowly over time, to get to that full extreme Link to comment Share on other sites More sharing options...
f0zter Posted March 2, 2010 Report Share Posted March 2, 2010 I used passive radiators before and DON'T DO IT the back pressure seperated the spiders from the basket. It did sound good for a little while but not worth loosing subs. Quote 06 Monte Carlo Motorola T605 Alpine CDA 9886 Polk mids and highs Yellow top 2 XS Power D975 Knukoncepts 0 gauge 1 DC Audio 3.5K 1 DC LVL 4XL 15" Thorshammer package Link to comment Share on other sites More sharing options...
Basshead08 Posted March 2, 2010 Author Report Share Posted March 2, 2010 I wasn't planning on using them just curious as to what there actual use was Quote System tear out has begun...Out with the old i have a iq of 128 i graduated at the top of my class tell me how im reatrded you are the 1 thats dumb as hell you can't even spell Look at the underlined text hahahahahahahaha I think of it as the virgin losing the virginity technique not just jumping in to it, and pounding away, but going at it slowly over time, to get to that full extreme Link to comment Share on other sites More sharing options...
kl0wn Posted March 2, 2010 Report Share Posted March 2, 2010 I've also been looking at these, look interesting to test out for an experiment. Anybody else have any pros or cons of them? Quote 06 Mini Cooper S Sundown, SoundQubed Cadence, XS Power 151s Sealed 155s Outlaw Windshield @ 37hz Link to comment Share on other sites More sharing options...
uhoh_45 Posted March 2, 2010 Report Share Posted March 2, 2010 I used passive radiators before and DON'T DO IT the back pressure seperated the spiders from the basket. It did sound good for a little while but not worth loosing subs. weird how they would still sell them if they just ruined subs hmmm check out fritosaregoood's build log Quote R.I.P! (Nov-29-2009) 92 explorer - 4 Atomic Apxx 15s duel .7s - 4rth order bandpass wall -4 powerbass XA-3000D's - 16 8volt batts wired to 16 volts - (9+/9-) runs 0gauge - 152.3 Db @ 29hz BUILD LOG current build 97 chevy lumina4 - 1 Atomic Apx 18 - 6 cube slot port trunk sealed off - 1 powerbass XA-3000D - 2 optima G31s in spare tire18 1 run 1/0 lumina build log Link to comment Share on other sites More sharing options...
f0zter Posted March 2, 2010 Report Share Posted March 2, 2010 they are pretty much used as an easy port, like if you don't know what port to use or what size you need. You make an enclosure to hold 2 what ever size subs you want, put the sub in one whole and use the radiator to cover the other whole. So it kind of works like two subs but really is only one. They might work well in a low power system say maybe up to 500 watts. I also thought it was worth a shot, then the spyders came off my baskets and my coils got damaged. Now I have no subs and can't figure out how people live with out subs for the lows?? The boxes I made where about 1.5 to 2 cubes and I placed the radiator in the rear of the box. It sounded great for a while and increased my spl slightly. There are a bunch of ways to use passive radiators this is just the way I did it so I could keep my spare tire. You might have better luck if you want to try it, but I don't recommend it. Quote 06 Monte Carlo Motorola T605 Alpine CDA 9886 Polk mids and highs Yellow top 2 XS Power D975 Knukoncepts 0 gauge 1 DC Audio 3.5K 1 DC LVL 4XL 15" Thorshammer package Link to comment Share on other sites More sharing options...
f0zter Posted March 2, 2010 Report Share Posted March 2, 2010 weird how they would still sell them if they just ruined subs hmmm check out fritosaregoood's build log Maybe it was user error on my part, wouldn't be the first time won't be the last. Just sharing my expirience Quote 06 Monte Carlo Motorola T605 Alpine CDA 9886 Polk mids and highs Yellow top 2 XS Power D975 Knukoncepts 0 gauge 1 DC Audio 3.5K 1 DC LVL 4XL 15" Thorshammer package Link to comment Share on other sites More sharing options...
Nirvalica Posted March 2, 2010 Report Share Posted March 2, 2010 I feel like I've read somewhere that you want the amount of passive radiator cone area to be double the cone area of the sub(s) you are using. Quote My Youtube Page. Check it out The "SAV" - Sub-aural Assault Vehicle Kenwood eXcelon KDC-X993 Image Dynamics CTX 6.5" Components Q-logic 6.5" kick pods CDT 6.5" CL-E6NEO Front door Midbass Kicker ZX350.4 Knukonceptz SS Karma 4 channel 6m RCA Fi Q 18" w/ brushed aluminum dust cap 7cu ft. ported box tuned to 28hz Sundown SAZ-1000D Iraggi 240 amp Amputator Alt Big 3 in Monster 1/0awg Second Skin Damplifier Lite on roof and front doors Link to comment Share on other sites More sharing options...
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