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Clément307D View Drop Down
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    Posted: 20 January 2022 at 11:45am
[QUOTE=Brutus]
Hello, would it be possible to have the exact dimensions of this spacer? Thank you
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Points: 8128 		Post Options Post Options   Thanks (0) Thanks(0)   Quote levyte357- Quote  Post ReplyReply Direct Link To This Post Posted: 05 April 2019 at 10:03am
Originally posted by manu55 manu55 wrote:

Hi guys, 

i have 10 martin wsx, and i want upgrade theirs drivers, but anyone knows if i can recone a dls801 with a reconekit L18P300. Thnxs for all information.SmileSmile


Which amplifiers do you use to drive your 10x WSX, and how many cabs per amp?

There are a number of drivers, that will give higher SPL, warmer sub than the standard RCF driver, however you won't get all those goodies, if sub amps not up to par.


Edited by levyte357- - 05 April 2019 at 10:04am
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Points: 1 		Post Options Post Options   Thanks (0) Thanks(0)   Quote manu55 Quote  Post ReplyReply Direct Link To This Post Posted: 04 April 2019 at 11:36pm
Hi guys, 

i have 10 martin wsx, and i want upgrade theirs drivers, but anyone knows if i can recone a dls801 with a reconekit L18P300. Thnxs for all information.SmileSmile
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levyte357- View Drop Down
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Points: 8128 		Post Options Post Options   Thanks (0) Thanks(0)   Quote levyte357- Quote  Post ReplyReply Direct Link To This Post Posted: 28 May 2017 at 1:49pm
Originally posted by IanD IanD wrote:

Low reference efficiency matters for subs if it's caused by low motor strength i.e. saving money. It's much less important (or even unimportant) if it's due to a heavy cone attached to a strong motor. Just look at the frequency at which the cone mass starts to make any difference to the response, it's well above the operating range of any good sub driver.

What matters for sub drivers is having a strong motor, plenty of Xmax and power handling, reasonably low inductance and good linearity, and a strong enough cone not to break up or tear. Many of these are incompatible with high reference efficiency...

And of course, being the right driver for the box it's installed in :-)


Agree with most of that. LOL

I'm no PD salesman/groupie, but PD1851/1852 manage nice sub notes, in right cabs with no of approx 2.2+.

Void V18-1000/18NLW9601 same.

Like many here, have tested, many drivers in many cabs, and know the difference in amp power/building supply needed, when dealing with sub drivers of  < 2.0%, and attempting to acquire plenty of SPL/air movement, @ 40hz.



Edited by levyte357- - 28 May 2017 at 1:52pm
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IanD View Drop Down
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Low reference efficiency matters for subs if it's caused by low motor strength i.e. saving money. It's much less important (or even unimportant) if it's due to a heavy cone attached to a strong motor. Just look at the frequency at which the cone mass starts to make any difference to the response, it's well above the operating range of any good sub driver.

What matters for sub drivers is having a strong motor, plenty of Xmax and power handling, reasonably low inductance and good linearity, and a strong enough cone not to break up or tear. Many of these are incompatible with high reference efficiency...

And of course, being the right driver for the box it's installed in :-)


Edited by IanD - 28 May 2017 at 1:04pm
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levyte357- View Drop Down
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Points: 8128 		Post Options Post Options   Thanks (0) Thanks(0)   Quote levyte357- Quote  Post ReplyReply Direct Link To This Post Posted: 28 May 2017 at 11:41am
Originally posted by Brutus Brutus wrote:

We fitted a 18sw115 once, (and it wont fit without modding). ended up in a -4db @ 40hz at the same powerlevel.


no of 1.9%, of course this will be the case.

Yet some still argue, reference efficiency is not relevant for subwoofers..
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LR48 are rarely needed and can cause more problems than they solve.
Fatfreddiescat can you explain why you think that. I am not saying you are wrong just very interested to hear why. At the moment i am trying to get to grips/undestand which type is best on certain designs. thanks in advance.
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Points: 1395 		Post Options Post Options   Thanks (0) Thanks(0)   Quote spongebob Quote  Post ReplyReply Direct Link To This Post Posted: 26 May 2017 at 4:08pm
We recently bought a load of WSX and the seller chucked in a few old blown drivers, one of which was the newer type complete with above pictured spacer ring friction fitted to the driver gasket
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Points: 1989 		Post Options Post Options   Thanks (1) Thanks(1)   Quote Djdarch Quote  Post ReplyReply Direct Link To This Post Posted: 26 May 2017 at 1:15pm
Funnily enough I swapped out a driver in a WSX this week at a walkabout venue . Supplied by Martin audio the replacement driver was a B&C and came with a "fitting kit" which was exactly the same as the above picture , an 8mm ring . The Martin supplied ring was painted black though !
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Originally posted by XentriK Sound XentriK Sound wrote:

Before swapping out drivers I'm going to give them a test on a PL9 & hopefully either a k10 or k20.  

As the V18-1000 has a larger x-max than the tbx100, I suppose I should build a spacer ring to add onto them? If so can you point me in the right direction as to how I can do so?

I've heard quite mixed views on Powersoft with wsx... some saying a K8/Outline Tnine will do well powering four, whereas others saying even a K10 lacked power on four??


we made 16 of these spacers (8mm), and put them between the cab and the tbx100. seems to work pretty well.

iam not sure about the difference of a k8 or a k10. We use k20's for 8 wsx, and K3 for 8 punishers.
the K3 is pretty impressive as well
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bass*en*mass View Drop Down
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- have you measured/setup the system with smaart or any other proper tool?
if so it might indeed need better amps/drivers to make the most of it.. if not, do it..
(running the kicks up to 180-200 as suggested doesnt help much though imo)

- have you checked WSX Horn response graphs with different driver options yet?
if not, its well worth it imo, at least you get an idea how the horn and drivers behave naturally..

:)

btw. 6 wsx should happily xover to 3 trs212s without any need of dedicated "kicks" imho
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FLH throughoutSmile, the WSX and F2b will have a nice usable range of overlap, crossing at 70Hz I would try 2nd order Butterworth 1st order maybe worth a try when all stacked together. 180-200 LR24 to the Trs.
Also check polarity of all your bass drivers and cables.

Edit:
Just to to the above, if you can then grab a mic, pretty much anything will do, get it plugged in and working with a PC and some measurement software (REW) etc and measure the relative phase an level approx one octave either side of the xover point, if trying the first order xover then a low 'Q' cut at around 180Hz to the WSX may help, lots of other settings to try before changing drivers IMHO.


Edited by fatfreddiescat - 17 May 2017 at 4:01pm
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