Driver for low volumes

TechnoMage · 26th September 2006, 06:46 PM

Is there anything special I should be looking for in a driver to be used at low volume? I'm building a sub for the office at work so I need to keep the volume down.

Thanks,
-Ron

Lothar34 · 26th September 2006, 07:18 PM

I would think something fairly rigid with good control. Big voice coil, high Vas, high Qms and a low Xmax.

What size were you thinking about and what's your price range?

TechnoMage · 26th September 2006, 09:56 PM

I'm looking to go for something small, probably in the 8" range. I did have one thread going here but low volume wasn't answered.

Right now I've been thinking about going with the Tang Band W8-740C since I can fit this in a 5 liter box.

My only concern would be that it doesn't work well at low volumes.

Lothar34 · 26th September 2006, 10:39 PM

I thought you were gonna get that Dayton?

TechnoMage · 26th September 2006, 10:47 PM

I had thought about it, and the Dayton does go a little lower but while the TB fit's in a 5 liter space I'd need 23 liters for the Dayton. I think that's to big for the space.

Lothar34 · 26th September 2006, 10:49 PM

Here you go:
http://www.madisound.com/cgi-bin/ind...8.421&pid=1959

EDIT:
Well they recommend 15L for this one. Is that still too big?

Lothar34 · 26th September 2006, 11:42 PM

Well that one is out of stock.

Either of these will be good too:
http://www.partsexpress.com/pe/showd...number=290-042
http://www.partsexpress.com/pe/showd...number=296-175

Did you need shielded or not?

TechnoMage · 27th September 2006, 12:35 AM

I don't need shielded since it will sit under my desk. The Audax requires to much space, even in a sealed unit. The Pioneer is better but still needs around 15 liters.

Maybe I'll build a couple of them to test things out.

Lothar34 · 27th September 2006, 01:04 AM

I believe that's 15L with no stuffing. You can probably get away with 10L and some polyfil.

TechnoMage · 27th September 2006, 02:26 AM

Lothar34, thanks for the advice. Couple of questions. Not that I doubt you but why do I want a high Vas, high Qms and a low Xmax?

The Pioneer definitly wins the Vas and Xmax
2.440 ft cubed vs 1.130 ft cubed
2.88 mm vs 12.0 mm

But the Tangband wins the Qms
10.530 vs 4.170

I know I keep coming back to the Tangand but I love the idea of a 5 liter sub assuming it plays well at low volumes.

26th September 2006, 06:46 PM	#1
TechnoMage diyAudio Member Join Date: Sep 2005	Driver for low volumes Is there anything special I should be looking for in a driver to be used at low volume? I'm building a sub for the office at work so I need to keep the volume down. Thanks, -Ron

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26th September 2006, 07:18 PM	#2
Lothar34 diyAudio Member Join Date: Sep 2006	I would think something fairly rigid with good control. Big voice coil, high Vas, high Qms and a low Xmax. What size were you thinking about and what's your price range?

26th September 2006, 09:56 PM	#3
TechnoMage diyAudio Member Join Date: Sep 2005	I'm looking to go for something small, probably in the 8" range. I did have one thread going here but low volume wasn't answered. Right now I've been thinking about going with the Tang Band W8-740C since I can fit this in a 5 liter box. My only concern would be that it doesn't work well at low volumes.

26th September 2006, 10:39 PM	#4
Lothar34 diyAudio Member Join Date: Sep 2006	I thought you were gonna get that Dayton?

26th September 2006, 10:47 PM	#5
TechnoMage diyAudio Member Join Date: Sep 2005	I had thought about it, and the Dayton does go a little lower but while the TB fit's in a 5 liter space I'd need 23 liters for the Dayton. I think that's to big for the space.

26th September 2006, 10:49 PM	#6
Lothar34 diyAudio Member Join Date: Sep 2006	Here you go: http://www.madisound.com/cgi-bin/ind...8.421&pid=1959 EDIT: Well they recommend 15L for this one. Is that still too big?

26th September 2006, 11:42 PM	#7
Lothar34 diyAudio Member Join Date: Sep 2006	Well that one is out of stock. Either of these will be good too: http://www.partsexpress.com/pe/showd...number=290-042 http://www.partsexpress.com/pe/showd...number=296-175 Did you need shielded or not?

27th September 2006, 12:35 AM	#8
TechnoMage diyAudio Member Join Date: Sep 2005	I don't need shielded since it will sit under my desk. The Audax requires to much space, even in a sealed unit. The Pioneer is better but still needs around 15 liters. Maybe I'll build a couple of them to test things out.

27th September 2006, 01:04 AM	#9
Lothar34 diyAudio Member Join Date: Sep 2006	I believe that's 15L with no stuffing. You can probably get away with 10L and some polyfil.

27th September 2006, 02:26 AM	#10
TechnoMage diyAudio Member Join Date: Sep 2005	Lothar34, thanks for the advice. Couple of questions. Not that I doubt you but why do I want a high Vas, high Qms and a low Xmax? The Pioneer definitly wins the Vas and Xmax 2.440 ft cubed vs 1.130 ft cubed 2.88 mm vs 12.0 mm But the Tangband wins the Qms 10.530 vs 4.170 I know I keep coming back to the Tangand but I love the idea of a 5 liter sub assuming it plays well at low volumes.