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what makes one sub louder than another


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good stuff so far can we get some experts to shed some light as well

Edited by Jville140db

Car is 2010 Scion Tc

Currently in car

Deck- Sony XAV-60 in-dash mobile video system

Speakers- Rockford Punch 6.5in comps in the front and coax in the rear

Subs- 2 Gen 3 Rockford P3 12's dual 4 ohm

Amps- Rockford P1000-1bd and P400-4 Alpine Mrp-f300 is in for P400-4 which is out to service

Wiring- all rockford nuff said

Enclosure- Dual 12in custom box by SRQ

Battery- Optima Yellow top with big 3 done

Sound Damping- All Dynamat products 1-2 layers throughout with liner on top

rockford-fosgate-logo.gif

Link to my build log- http://down4sound.co...=newpost&t=5275

Link to my youtube- http://www.youtube.c...ser/Jville140db

MECP Advanced CEA # 110531

BassBox 6 Pro for Box Building/Re audio box calculator

If you can hear the passenger it aint loud enough!!!!!!!

QUOTE (MickyMcD @ Sep 25 2009, 07:25 PM) "My system has 30 speaker terminals, that means shits wanging doggggg....."<!--QuoteEnd--></div>

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damn nice link i'll have to read in depth tomorrow

Car is 2010 Scion Tc

Currently in car

Deck- Sony XAV-60 in-dash mobile video system

Speakers- Rockford Punch 6.5in comps in the front and coax in the rear

Subs- 2 Gen 3 Rockford P3 12's dual 4 ohm

Amps- Rockford P1000-1bd and P400-4 Alpine Mrp-f300 is in for P400-4 which is out to service

Wiring- all rockford nuff said

Enclosure- Dual 12in custom box by SRQ

Battery- Optima Yellow top with big 3 done

Sound Damping- All Dynamat products 1-2 layers throughout with liner on top

rockford-fosgate-logo.gif

Link to my build log- http://down4sound.co...=newpost&t=5275

Link to my youtube- http://www.youtube.c...ser/Jville140db

MECP Advanced CEA # 110531

BassBox 6 Pro for Box Building/Re audio box calculator

If you can hear the passenger it aint loud enough!!!!!!!

QUOTE (MickyMcD @ Sep 25 2009, 07:25 PM) "My system has 30 speaker terminals, that means shits wanging doggggg....."<!--QuoteEnd--></div>

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powa is almost everything

bl does tell u something about the strength of the motor, but that doesnt always correlate to power handling

soft parts (clearly not a 'spec') play a huge roll in loudness...more spiders, bigger coils, different types of cones...all goes towards power handling

but bl isnt everything...i mean if u have a sub with a fs of 26 and another with an fs of like 48 both with the same bl....the second could probably get louder (but that is speaking in terms of burps)

i would say the q factors go more towards enclosure type.

but impedence changes a lot of the specs....a lot of the q mesurements, bl, fs....all change a little as impedence changes...

oh, rogers...u shouldnt look at magnetic weight...although weight and a higher bl are probably correlated...u need to look at the bl of a sub....i mean what if the magnet weighed 80lbs...but wasnt magnetized...lolz

lol only audiobahn does that shit...lol...

anyways i dont look at that by itself.... this is just an extream example but if you are comparing 2 subs and one has a powerhandling of 600rms and has a 300oz mag and the other one is rated for the same power but has a 50oz mag.... you can kinda guess which one is bull shitting...

i look at the magnet weight as a type of way to determine how beefy a woofer is....

just one of the many determining factors in my purchases....

http://www.stevemeadedesigns.com/board/topic/79921-rogers-700-dream-car-update-page-17-a-wall/?p=2335774

93 Saturn SC2My system4 SA-15's Walled

2 Cerwin-Vega S2000's

3 Kinetik Hc2000's

Dual 200amp alts.

you guys done with the peepee touching contest or do I need to end it?

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