I have 2 Boston G5 Car Audio Subwoofers (sound quality type) For home use? - diyAudio
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Old 18th January 2010, 05:42 AM   #1
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Default I have 2 Boston G5 Car Audio Subwoofers (sound quality type) For home use?

Is there any way to tell from the Parameters in my manual if this subwoofer will be a good candidate for Home use? Reason why is I have 2 of these sitting around and I have the itch to maybe incorporate these into my new 2ch. So would that be a 2.1? or 2.2?

If I posted the parameters could someone help and guide me through please?

Boston Acoustics G5 dual 4ohm VC subwoofer ---wired at 8ohm----

FS: (HZ) 28.88
RE (ohms) 6.20
Qms: 9.93
Qes: .49
Qts: .47
Vas: Liters 75.28
Mms: Grams 148.5
Cms (um/Newton) 215
Xmax: (Mm) 15.0
Xmech: (Mm) 45
Sd: (CM(2) 499
Bl: (Tesla-M) 18.30
SPL Eff: (db@1W/1M) 87.2
SPL Sen: (db2.83v) 88.3
Thank you
Derek.
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Old 18th January 2010, 12:10 PM   #2
bjorno is offline bjorno  Sweden
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Quote:
Originally Posted by ta_nhra02 View Post
Is there any way to tell from the Parameters in my manual if this subwoofer will be a good candidate for Home use? Reason why is I have 2 of these sitting around and I have the itch to maybe incorporate these into my new 2ch. So would that be a 2.1? or 2.2?

If I posted the parameters could someone help and guide me through please?

Boston Acoustics G5 dual 4ohm VC subwoofer ---wired at 8ohm----

FS: (HZ) 28.88
RE (ohms) 6.20
Qms: 9.93
Qes: .49
Qts: .47
Vas: Liters 75.28
Mms: Grams 148.5
Cms (um/Newton) 215
Xmax: (Mm) 15.0
Xmech: (Mm) 45
Sd: (CM(2) 499
Bl: (Tesla-M) 18.30
SPL Eff: (db@1W/1M) 87.2
SPL Sen: (db2.83v) 88.3
Thank you
Derek.
Hi Derek,

A T-TQWT using a single driver would be enough for use as a main high SQ HT sub.

b
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File Type: gif BostonG5_car-T-TQWT.GIF (195.1 KB, 65 views)
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Old 18th January 2010, 12:50 PM   #3
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Based on those specs, I cant see any reason why not.
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Old 18th January 2010, 09:54 PM   #4
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How would I go about finding which kind of enclosure is right for the G5.
What is a T-TQWT? I looked at the picture that bjorno sent and I cant enlarge it to see what he was trying to say.

EDIT: I found the expand button for the pic. WOW I really have not a clue what im looking at here. Can someone summarize the the graph that bjorno posted please?

Thanks again
Derek.

Last edited by ta_nhra02; 18th January 2010 at 09:58 PM.
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Old 19th January 2010, 01:59 AM   #5
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Some eye candy while I wait for replies

0_IMAGE_156.jpg

0_IMAGE_157.jpg

0_IMAGE_098.jpg


Thanks!
Derek
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Old 20th January 2010, 05:20 AM   #6
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Those are really nice drivers. They will work well in sealed or ported enclosures, as well as a lot of the more esoteric stuff like bandpass boxes or tapped horns.

Run them off a decent pro-amp, you'll have plenty of power.

Bjorno's response is a compilation of hornresp screengrabs. Hornresp is free software that many of us use to model front and back-loaded horns, tapped horns, and TTQWT (Tapped, Tapered Quarter Wave Tube) enclosures.

We all have our favorites, we all have our reasons. Personally, I like the performance of these drivers in a tapped horn, but it is not a small box.

Last edited by littlemike; 20th January 2010 at 05:25 AM. Reason: More info added
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