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Old 29th July 2010, 03:07 PM   #1
nbcd is offline nbcd  Romania
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Join Date: Apr 2003
Location: suceava
Post acoustic box help

Dear valuable diy users,

I have this set of speakers removed from my car. I want to use them in my home. Please give me a hint about how to build some apropriate chases for them.

Thank you,

Eugen

JBL T595 Limited Difuzoare auto JBL Coaxiale , T595Limited , T 595 Limited
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Old 29th July 2010, 07:06 PM   #2
buggers is offline buggers  United States
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Car speakers are designed for use in a car so they probably will not be very good for the home...
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Old 29th July 2010, 08:30 PM   #3
nbcd is offline nbcd  Romania
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hm.... does anyone else holds buggers's position?

Should i still try to make those boom boxes?

Thank you,
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Old 29th July 2010, 09:00 PM   #4
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Small sealed angeled boxes that you put against a wall with the speaker facing forward on a slanting baffle.
Or anything else that comes into your mind.
There is probably no right way to do it without first testing so...

If you have some spare time and scrap wood to try it out then why not.

I would not expect miracles in terms of sound quality but it might be a fun and learning project.

*edit* Did you want to use them as a sub or keep them fullrange?
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Old 29th July 2010, 09:11 PM   #5
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...perhaps someone should at least ask what size the speakers are?

car speakers are normally designed to run open baffle, so you'd need a larger box...

you could also try a box that larger than normal, and tune it to maybe 50Hz...
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Old 29th July 2010, 09:18 PM   #6
sreten is offline sreten  United Kingdom
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Join Date: Nov 2003
Location: Brighton UK
Hi,

Simply put car speakers do not suit sealed boxes unless they are very
big, and the EQ needed for speaker boxes is not built into car speakers.

Keep them in the car, and buy or build some proper hi-fi speakers :
Zaph|Audio - 4" Bargain Mini or
Zaph|Audio - ZMV5 - MCM / Vifa 5" System

/sreten.

Last edited by sreten; 29th July 2010 at 09:21 PM.
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Old 29th July 2010, 09:28 PM   #7
nbcd is offline nbcd  Romania
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Join Date: Apr 2003
Location: suceava
Someone asked for the specs

3 way coaxial
15 x 24 cm (6"x9")
power: 150W RMS (300W max)
Freq response: 35Hz - 22kHz
Sens (SPL): 94dB
impedance: 4 ohmi
titanium tweeters
installation depth: 118mm
cutting dimensions: 152x229mm

Actually i have two pcs of JBL Studio L890 floor standing speakers for hify listening and a Harman HK 990 amp. Indeed for the L890 the frequency starts from 27Hz as for the car speakers it starts from 35Hz. You all may be right about the quality of the sound.
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Old 29th July 2010, 09:30 PM   #8
nbcd is offline nbcd  Romania
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Join Date: Apr 2003
Location: suceava
Quote:
Originally Posted by David_Web View Post
Small sealed angeled boxes that you put against a wall with the speaker facing forward on a slanting baffle.
Or anything else that comes into your mind.
There is probably no right way to do it without first testing so...

If you have some spare time and scrap wood to try it out then why not.

I would not expect miracles in terms of sound quality but it might be a fun and learning project.

*edit* Did you want to use them as a sub or keep them fullrange?
Full range
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Old 29th July 2010, 09:51 PM   #9
sreten is offline sreten  United Kingdom
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Join Date: Nov 2003
Location: Brighton UK
Quote:
Originally Posted by nbcd View Post
Someone asked for the specs

3 way coaxial
15 x 24 cm (6"x9")
power: 150W RMS (300W max)
Freq response: 35Hz - 22kHz
Sens (SPL): 94dB
impedance: 4 ohmi
titanium tweeters
installation depth: 118mm
cutting dimensions: 152x229mm

Actually i have two pcs of JBL Studio L890 floor standing speakers for hify listening and a Harman HK 990 amp. Indeed for the L890 the frequency starts from 27Hz as for the car speakers it starts from 35Hz. You all may be right about the quality of the sound.
Hi,

The specs are meaningless, utterly meaningless in terms of hifi speakers.

/sreten.

Click the image to open in full size.
Somewhat overengineered in terms of the number of tweeters IMO.
Your car 3 ways could work in stuffed sealed boxes as wall/corner rears.
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