Drivers in a bass cabinet

frosty55 · 10-20-2008, 07:12 PM

Which drivers would be suitable for myself to put in a cab to use for bass guitar?
I have an empty cab measuring 750mm wide, 530mm high and 320mm deep.
The drivers i have are:
400 watt 15in. Eminence Delta 15A (8ohm)
150 watt 10in. Eminence Alpha (8 ohm)
70 watt Fane HF Horn (J.104)
My amp is a H+H 100 watt head.
Should all three be fitted or should i not fit the horn?
Dont really want to spend megabucks on a crossover if i can help it.
Any advice appreciated.
Thanks chaps.

Don Moose · 10-21-2008, 01:16 AM

What tone are you going for? Who's style is closest to what you're after?

Are you looking for thud or bark?

frosty55 · 10-21-2008, 04:42 PM

Sorry, dont know what thud and bark actually is!
Just want a decent sound .

Don Moose · 10-21-2008, 11:33 PM

Thud - John Paul Jones, Motown, Dusty Hill

Bark - Geddy Lee, Billy Sheehan

frosty55 · 10-21-2008, 11:55 PM

In that case, i fancy thud!

Don Moose · 10-22-2008, 01:18 AM

Then you probably want the 15" with a well thought out port of some kind.

If you can locate the 'free-air resonance' data, that will tell you a lot about how to size the port. Unfortunately, that's all the help I can be - search the site for things like cabinet, Thiele and port.

Hope thsi helps!

Steve Conner · 10-22-2008, 10:52 AM

Really short answer: Stick the 15" in the cabinet, crank it and see what happens. With only 100W and a sealed cabinet with no ports, you're very unlikely to blow the speaker up, and you may be pleasantly surprised by the tone, though it may be more bark and throb than thud.

Short answer: Go download yourself a copy of WinISD (it's freeware) and use it to figure out what size of port to add, to tune the cabinet for extra "thud". If you don't understand what all the parameters and coloured graphs in WinISD mean, then learn: it's all part of the learning curve of speaker design. WinISD should already have the Thiele-Small parameters for the Eminence drivers in its database.

If you don't want to learn, see really short answer above.

PS: If you want to use the horn, you must use a high-pass crossover for it, or you'll roast it in about 10 seconds. I think the Motown guys got by fine without horns, though.

Enzo · 10-22-2008, 11:19 AM

Actually you might consider adding in a little snort to the thud.

Don Moose · 10-22-2008, 12:24 PM

Quote:

Originally Posted by Enzo

Actually you might consider adding in a little snort to the thud.

That would be the 10"?

Enzo · 10-23-2008, 12:48 AM

Beats me, I have no idea where snort might come from. it just always seemed appealing to have sparkling highs and snorting bass.

(Oh it was just a smart-ass remark...)

Don Moose · 10-23-2008, 03:52 AM

thought so, but played along - sometimes I learn something.

Steve Conner · 10-24-2008, 11:34 AM

Better watch out, Trace Elliot have the patent on snort

10-20-2008, 07:12 PM	#1
frosty55 Member Join Date: Jun 2008 Location: u.k. Posts: 31	Drivers in a bass cabinet Which drivers would be suitable for myself to put in a cab to use for bass guitar? I have an empty cab measuring 750mm wide, 530mm high and 320mm deep. The drivers i have are: 400 watt 15in. Eminence Delta 15A (8ohm) 150 watt 10in. Eminence Alpha (8 ohm) 70 watt Fane HF Horn (J.104) My amp is a H+H 100 watt head. Should all three be fitted or should i not fit the horn? Dont really want to spend megabucks on a crossover if i can help it. Any advice appreciated. Thanks chaps.

10-21-2008, 04:42 PM	#3
frosty55 Member Join Date: Jun 2008 Location: u.k. Posts: 31	bass drivers Sorry, dont know what thud and bark actually is! Just want a decent sound .

10-21-2008, 11:55 PM	#5
frosty55 Member Join Date: Jun 2008 Location: u.k. Posts: 31	bass speakers In that case, i fancy thud!

10-22-2008, 10:52 AM	#7
Steve Conner Supporting Member Join Date: May 2006 Location: Glasgow, Scotland Posts: 3,005	Really short answer: Stick the 15" in the cabinet, crank it and see what happens. With only 100W and a sealed cabinet with no ports, you're very unlikely to blow the speaker up, and you may be pleasantly surprised by the tone, though it may be more bark and throb than thud. Short answer: Go download yourself a copy of WinISD (it's freeware) and use it to figure out what size of port to add, to tune the cabinet for extra "thud". If you don't understand what all the parameters and coloured graphs in WinISD mean, then learn: it's all part of the learning curve of speaker design. WinISD should already have the Thiele-Small parameters for the Eminence drivers in its database. If you don't want to learn, see really short answer above. PS: If you want to use the horn, you must use a high-pass crossover for it, or you'll roast it in about 10 seconds. I think the Motown guys got by fine without horns, though. __________________ "Ohhhh miracle bulb shines feebly"

10-24-2008, 11:34 AM	#12
Steve Conner Supporting Member Join Date: May 2006 Location: Glasgow, Scotland Posts: 3,005	Better watch out, Trace Elliot have the patent on snort __________________ "Ohhhh miracle bulb shines feebly"

10-21-2008, 01:16 AM	#2
Don Moose Senior Member Join Date: Jul 2007 Location: Indianapolis Posts: 676	What tone are you going for? Who's style is closest to what you're after? Are you looking for thud or bark?

10-21-2008, 11:33 PM	#4
Don Moose Senior Member Join Date: Jul 2007 Location: Indianapolis Posts: 676	Thud - John Paul Jones, Motown, Dusty Hill Bark - Geddy Lee, Billy Sheehan

10-22-2008, 01:18 AM	#6
Don Moose Senior Member Join Date: Jul 2007 Location: Indianapolis Posts: 676	Then you probably want the 15" with a well thought out port of some kind. If you can locate the 'free-air resonance' data, that will tell you a lot about how to size the port. Unfortunately, that's all the help I can be - search the site for things like cabinet, Thiele and port. Hope thsi helps!

10-22-2008, 11:19 AM	#8
Enzo Senior Member Join Date: May 2006 Location: Lansing, Michigan, USA Posts: 10,366	Actually you might consider adding in a little snort to the thud.

10-23-2008, 12:48 AM	#10
Enzo Senior Member Join Date: May 2006 Location: Lansing, Michigan, USA Posts: 10,366	Beats me, I have no idea where snort might come from. it just always seemed appealing to have sparkling highs and snorting bass. (Oh it was just a smart-ass remark...)

10-23-2008, 03:52 AM	#11
Don Moose Senior Member Join Date: Jul 2007 Location: Indianapolis Posts: 676	thought so, but played along - sometimes I learn something.

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