Types of Subwoofers

cm2677 · 29th April 2009, 07:02 PM

Hi, I am wanting to build a subwoofer of my own. Can someone tell me what the difference is between a subwoofer that is used in a car vs. one that is used in a HT system? I have been to Parts-Express and Rythmik Audio and am still have no idea what the difference is.

Thanks

richie00boy · 29th April 2009, 07:16 PM

Generally a car sub will not need to go as deep as the cars cabin will provide some natural boost to the output at lower frequencies. Also a car sub will usually need to be smaller than one for a home, so the drivers are designed to suit that application which requires more power.

If you choose wisely you can use a driver marketed for cars, in the home.

901Fixer · 29th April 2009, 10:13 PM

As a newbie to this board and still quite ignorant about some things Hi-Fi, I understand the difference this way. SubWoofers are more about Home Theatre technically as they focus on frequeicies below 100hz and are usually crossed over lower than that. Sub frequencies are not as much about music as they are about reproducing large sounds found in movies. A 6.5" subwoofer will go lower and need to be crossed over lower than a 15" woofer which can sometimes be crossed over as high as 300hz or higher.

A subwoofer can be located away from the mains if it is crossed over low enough. It doesn't need to be tuned as low though for music. Most car stuff is about SPL and small enclosures.

j.michael droke · 30th April 2009, 12:00 AM

Hi there: For a more complete description try www.Wikipedia.com especially paragraph 3 applications. .... regards, Michael

Thawach · 30th April 2009, 01:07 AM

Quote:

If you choose wisely you can use a driver marketed for cars, in the home.

Be careful some parameter of car drivers are bad.

Quote:

It doesn't need to be tuned as low though for music.

i don't think like this, i see a lot from HT with deep bass.

cm2677 · 30th April 2009, 02:01 PM

OK, thanks for the info.

Also, what are your thougths on using a Servo Subwoofer?

tinitus · 30th April 2009, 02:03 PM

Cant go wrong with Rythmik servo subs

chris661 · 30th April 2009, 04:50 PM

Servo as in ServoDrive, or the ones by rhythmik audio??

cm2677 · 30th April 2009, 05:13 PM

The ones from rhythmik.

chris661 · 2nd May 2009, 05:06 PM

HT subs are designed for the low rumbly stuff in films

Music subs are designed to be more musical, with tuneful bass,

Car subs are designed to use to gain of a car's cabin to its advanatge.

9 times out of 10, a car sub will be a sealed box, with a long-throw driver and a huge amp to power it with.

29th April 2009, 07:02 PM	#1
cm2677 diyAudio Member Join Date: Apr 2009	Types of Subwoofers Hi, I am wanting to build a subwoofer of my own. Can someone tell me what the difference is between a subwoofer that is used in a car vs. one that is used in a HT system? I have been to Parts-Express and Rythmik Audio and am still have no idea what the difference is. Thanks

29th April 2009, 07:16 PM	#2
richie00boy Did it Himself diyAudio Member Join Date: Nov 2003 Location: Gloucestershire, England, UK	Generally a car sub will not need to go as deep as the cars cabin will provide some natural boost to the output at lower frequencies. Also a car sub will usually need to be smaller than one for a home, so the drivers are designed to suit that application which requires more power. If you choose wisely you can use a driver marketed for cars, in the home. __________________ www.readresearch.co.uk my website for UK diy audio people - designs, PCBs, kits and more

30th April 2009, 12:00 AM	#4
j.michael droke diyAudio Member Join Date: Jan 2009	subwoofer description,applications Hi there: For a more complete description try www.Wikipedia.com especially paragraph 3 applications. .... regards, Michael

30th April 2009, 04:50 PM	#8
chris661 diyAudio Member Join Date: Feb 2008 Location: Lancashire Blog Entries: 7	Servo as in ServoDrive, or the ones by rhythmik audio?? __________________ "Throwing parts at a failure is like throwing sponges at a rainstorm." - Enzo My setup: http://www.diyaudio.com/forums/multi...tang-band.html

2nd May 2009, 05:06 PM	#10
chris661 diyAudio Member Join Date: Feb 2008 Location: Lancashire Blog Entries: 7	HT subs are designed for the low rumbly stuff in films Music subs are designed to be more musical, with tuneful bass, Car subs are designed to use to gain of a car's cabin to its advanatge. 9 times out of 10, a car sub will be a sealed box, with a long-throw driver and a huge amp to power it with. __________________ "Throwing parts at a failure is like throwing sponges at a rainstorm." - Enzo My setup: http://www.diyaudio.com/forums/multi...tang-band.html


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29th April 2009, 10:13 PM	#3
901Fixer diyAudio Member Join Date: Dec 2008 Location: Knoxville, TN	As a newbie to this board and still quite ignorant about some things Hi-Fi, I understand the difference this way. SubWoofers are more about Home Theatre technically as they focus on frequeicies below 100hz and are usually crossed over lower than that. Sub frequencies are not as much about music as they are about reproducing large sounds found in movies. A 6.5" subwoofer will go lower and need to be crossed over lower than a 15" woofer which can sometimes be crossed over as high as 300hz or higher. A subwoofer can be located away from the mains if it is crossed over low enough. It doesn't need to be tuned as low though for music. Most car stuff is about SPL and small enclosures.

30th April 2009, 02:01 PM	#6
cm2677 diyAudio Member Join Date: Apr 2009	OK, thanks for the info. Also, what are your thougths on using a Servo Subwoofer?

30th April 2009, 02:03 PM	#7
tinitus diyAudio Moderator Join Date: Nov 2005	Cant go wrong with Rythmik servo subs

30th April 2009, 05:13 PM	#9
cm2677 diyAudio Member Join Date: Apr 2009	The ones from rhythmik.

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