why JL subwoofers are sealed ? WINISD demands ported!!!

[doug20]

Originally Posted by muddasirwaheedmalik

that means that Jl line is for music consideration and not HT.????

my question is out of curoisity that how could the sealed design be that good in output as widely reported without any LT equilization. while being advertised mostly for HT why it is selaed which is usually for music subs. i would like a comparision with wilson audio watch dog which is passive around 6000 usd using one 12 inch driver and twice the cabinet size with vented design but reported tooo musical ???

You do not really know the specs of the driver found in the JL line. They are custom designed, high Xmax drivers, probably the best 12" choices out there.

As for the marketing, is there really a reason to use marketing as fact? JL has to advertise their sub to the HT crowd because that is where the volume is.

For its small footprint, its an amazing HT choice but only someone that wants a very small sub and is very concerned about looks is going to buy it.

Even for its size, I know of a few 4cuft designs that are superior. Let's face it, JL's market really isnt anyone that understands T/S parameters and knows how to model a subwoofer design.

[muddasirwaheedmalik]

and yes i agree that maximum spl has nothing to do with frequency respone...but high spl at low frequencies is what subwoofers is meant for and thats vented shows it would do best.

[muddasirwaheedmalik]

so should i abandon the jl 13w7 diy route?????for some thing else say TC sounds ??is JL myth just the marketing stunt.?

[muddasirwaheedmalik]

and btw does anyone done measurements on gotham or f113 as i cnnot find its rated output frequency extension on their website or reviews then we can compare with WIN ISD mesurements.

[doug20]

Here is Ilkka's measurements.

JL Audio Fathom f113 - Home Theater Forum and Systems - HomeTheaterShack.com


If you go through that archive there is a great summary showing where the F113 sits amongst the best subwoofer choices (4+ years).

Sadly Ilkka now works for an audio company and does not do free analysis. Josh Ricci has started doing some amazing testing..and is helping audioholics....Powered Subwoofer Testing: Outline and Procedures Overview — Reviews and News from Audioholics


See some recent measurements here...Data-Bass

[doug20]

Originally Posted by muddasirwaheedmalik

so should i abandon the jl 13w7 diy route?????for some thing else say TC sounds ??is JL myth just the marketing stunt.?

Its not a marketing stunt really, That driver has 6.3 Liters of displacement. You have to understand how impressive that is when many 18" woofers are less then 5 liters!!!

You also have to understand how impressive that performance is for a 19.75 in x 16.50 in. x 19.25 in box!!! Its very special.

JL decided they want to have performance in a small footprint. No one else does it!!! That is their niche, that is their advantage.



Should you abandon your JL driver?? Its not the same driver first of all but if the model works for you then use it. Are you trying to create a DIY version of the JL 113? You really can't.

[bbggg]

Originally Posted by muddasirwaheedmalik

that means that Jl line is for music consideration and not HT.????

Rather preposterous, isn't it?

Originally Posted by muddasirwaheedmalik

i would like a comparision with wilson audio watch dog

I'd like a Ferrari, but this is probably the wrong thread to ask for one.