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Old 23rd December 2009, 10:40   #1
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Default Custom rear speaker installation Lancer LE

Plan: Remove the old 6”X9” Pioneer speaker, Fit 6” speaker (JBL GT5-652) and 4”X6” speaker (Boston FX7)

Simple Cross-over Circuit:
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The Speakers :
Custom rear speaker installation Lancer LE-picture-001.jpg

Rear Parcel tray after Alteration:
Custom rear speaker installation Lancer LE-picture-007.jpg

Covering Finished (Sorry poor picture!!):
Custom rear speaker installation Lancer LE-picture-006.jpg

Finished Tray and speaker installation:
Custom rear speaker installation Lancer LE-picture-003.jpg

Now waiting for the Capacitor And Inductor to Check an finish the Installation .
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Old 23rd December 2009, 11:25   #2
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Pardon me, How different is the sound output in comparison to 6x9s?

What is the round thing below the brake lamp in the last pic?
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Old 23rd December 2009, 11:53   #3
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Quote:
Originally Posted by sreejeshmp View Post
Covering Finished (Sorry poor picture!!):
Attachment 249995

Finished Tray and speaker installation:
Attachment 250004
If it were me I'd have kept the 4x6 speakers as fasr as apart as possible to retain some degree of channel seperation.

what is the woofer between the 2 4x6 mids anyway?

BTW:
a. 3mh air core will be huge so get a soft iron core for the 3mh.
b. to make 200uf get 2 470uf electrolytic caps and wire them back to back (series) then get a good polyester or polystyreene or teflon 1-2 uf cap and bypass the series (470+470) combo.

hope this helps.
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Old 23rd December 2009, 12:16   #4
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Quote:
Originally Posted by shreyasma View Post
What is the round thing below the brake lamp in the last pic?

This is just an inlet for the bass to travel if the subs are placed in the boot. I have a similar arrangement and it is effective.

Pramod
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Old 23rd December 2009, 15:20   #5
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where did you get the inductor
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Old 23rd December 2009, 17:25   #6
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Thanks for the suggestion.

Just now I finished the installation; I used two 100 uf Capacitors Parallel for the Boston 4X6”. I didn’t get the 3mH Inductor so for now I directly connected the JBL 6” parallel to the 4X6”.The working is better then My old 6”X9” Pioneer 400W coaxial 3 way speaker. It gives good quality sound for 80’s Malayalam songs (Which I hear in low volume) . But I have to set up the Low pass filter for 6” woofer then only I will get the perfection which I planed.

Some Pics:
Custom rear speaker installation Lancer LE-picture-011.jpg

Custom rear speaker installation Lancer LE-picture-012.jpg

Custom rear speaker installation Lancer LE-picture-009.jpg

Custom rear speaker installation Lancer LE-picture-010.jpg
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Old 25th December 2009, 23:45   #7
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sreejesh, ideally if you are using polar ( having + and -) electrolytic capacitors in a crossover, you need to connect them in opposite polarity to make them bipolar.

If your design calls for 200uF, I would use 2x470uF in series ( and in the opposite polarity)

thats what I did
http://www.team-bhp.com/forum/diy-do...y-3-way-3.html
I'm still looking for inductors. I dont think anyone makes them. We'll have to literally roll our own
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Old 26th December 2009, 01:40   #8
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Quote:
Originally Posted by greenhorn View Post
If your design calls for 200uF, I would use 2x470uF in series ( and in the opposite polarity)
Quote:
Originally Posted by navin View Post
b. to make 200uf get 2 470uf electrolytic caps and wire them back to back (series) then get a good polyester or polystyreene or teflon 1-2 uf cap and bypass the series (470+470) combo.
I think it was mentioned earlier only sreejeshmp finished the install before he read our posts.
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Old 26th December 2009, 12:15   #9
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Thanks for the bipolar set up I will Change the capacitors polarity.
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Old 28th December 2009, 14:20   #10
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Hi greenhorn,

I found few 3 way cross-over networks available in my place which are locally used for speaker cabin manufactures they use a woofer, mid-range, and tweeter, I am planning to use them but the problem is I can’t find the Impedance of the Inductor they are Using the shop owner told me that it gives good result.

Any input?? .
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