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Author Topic: JBL monster build  (Read 2942 times)

BiZKiT

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Re: JBL monster build
« Reply #15 on: December 02, 2011, 05:23:53 pm »
Ok last question...is it the bigger the better! Was thinking 200L each!
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JimGore

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Re: JBL monster build
« Reply #16 on: December 02, 2011, 05:52:47 pm »
Not always, but definitely sometimes.

WinISD will tell you everything  ;)

Ian.
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BiZKiT

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Re: JBL monster build
« Reply #17 on: December 02, 2011, 06:12:05 pm »
Quote from: JimGore on December 02, 2011, 05:52:47 pm
Not always, but definitely sometimes.

WinISD will tell you everything  ;)

Ian.

Thank you Jedi master ;)
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johnc

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Re: JBL monster build
« Reply #18 on: December 02, 2011, 06:45:32 pm »
Quote from: BiZKiT on December 02, 2011, 03:34:07 pm
last time did not like sealed to much....
Quote from: BiZKiT on December 02, 2011, 05:23:53 pm
Ok last question...is it the bigger the better! Was thinking 200L each!

Just out of interest, what was the size of the sealed enclosure you didn't like?
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BiZKiT

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Re: JBL monster build
« Reply #19 on: December 02, 2011, 07:36:41 pm »
70L each!
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Steerpike

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Re: JBL monster build
« Reply #20 on: December 02, 2011, 08:04:29 pm »
Quote from: JimGore on December 02, 2011, 05:52:47 pm
WinISD will tell you everything  ;)

Sometimes it lies!
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johnc

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Re: JBL monster build
« Reply #21 on: December 02, 2011, 08:15:49 pm »
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BiZKiT

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Re: JBL monster build
« Reply #22 on: December 05, 2011, 07:09:52 am »
ok so where i select the woofer, what JBL is this? can find the right one...
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JimGore

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Re: JBL monster build
« Reply #23 on: December 05, 2011, 07:17:29 am »
You will need to add your JBL driver to the database first using its TS parameters.

Not sure why people think WinIsd lies? I have never had any problems with it in all the years? If you understand its limitations then I think it is one of the best tools around.

Ian
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BiZKiT

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Re: JBL monster build
« Reply #24 on: December 05, 2011, 07:29:06 am »
Not sure how its must look but thinking 150l and vented?
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JimGore

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Re: JBL monster build
« Reply #25 on: December 05, 2011, 07:35:53 am »
Ok. What is the basis for your conclusion?
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JimGore

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Re: JBL monster build
« Reply #26 on: December 05, 2011, 07:36:53 am »
Also, what is your tuning frequency?
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tangmonster

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Re: JBL monster build
« Reply #27 on: December 05, 2011, 08:46:59 am »
specs i found from googling:



adding the woofer to winisd:



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tangmonster

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Re: JBL monster build
« Reply #28 on: December 05, 2011, 08:55:38 am »
Quote from: BiZKiT on December 02, 2011, 03:34:07 pm
last time did not like sealed to much....

sealed needs eq!!! else it will not like it much!

Look at the below simulation. the yellow are two of them sealed with 200L box. needs around 10db EQ at 20hz then you are solid down to 20hz.

The green is 225L vented with one 100mm wide 124.2mm long vent. (happy down to 30hz)

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undefined.za

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Re: JBL monster build
« Reply #29 on: December 05, 2011, 10:13:17 am »
Quote from: tangmonster on December 05, 2011, 08:55:38 am
The green is 225L vented with one 100mm wide 124.2mm long vent. (happy down to 30hz)

Gaarrr, which line is the green one?? I'm colour blind!
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