Tang Band W4-1720/Series X-over help needed !

thor61 · 3rd July 2011, 05:25 PM

Could someone please model or simulate a series X-over for the Tang-band W4-1720 used with a SB Acoustics tweeter here is the data > http://www.solen.ca/pdf/sb/sb25stncc0004.pdf See also > http://www.parts-express.com/pdf/264-872s.pdf Any help would be greatly appreciated ! Thank-you for any or all efforts !

thor61 · 3rd July 2011, 06:17 PM

Quote:

Originally Posted by thor61

Could someone please model or simulate a series X-over for the Tang-band W4-1720 used with a SB Acoustics tweeter here is the data > http://www.solen.ca/pdf/sb/sb25stncc0004.pdf See also > http://www.parts-express.com/pdf/264-872s.pdf Any help would be greatly appreciated ! Thank-you for any or all efforts !

"Anyone who has never made a mistake has never tried anything new."

thor61 · 3rd July 2011, 10:07 PM

Would the formulas in this pdf work for a ball-park series X-over ? Link > http://www.passdiy.com/pdf/CurrentSo...erNetworks.pdf

The amp I plan to use is a Pass F4 clone with a hi-gain SE tube preamp !

DrDyna · 3rd July 2011, 10:35 PM

You can get a "ballpark" crossover calculation from a tool like this:

2-Way Crossover Designer / Calculator

It's not going to be flat with your drivers though, unless the drivers are razor flat and have the impedance curve of a resistor :S

I've found success recently with learning how to use Speaker Workshop and either finding my driver's FRD/ZMA files online, or making my own with SPLTrace.

I'm currently taking the time to learn how to use Speaker Workshop and all the FRD tools stuff and it's turning out to be a valuable skill. Give it a whirl!

thor61 · 3rd July 2011, 10:50 PM

The X-over calculator in your link does not do series x-overs, all though I believe Speaker Workshop will ! My problem is I do not have access to a computer that I can down-load anything into. I should have my own back up buy late September. Thank-you for the assistance !

DrDyna · 3rd July 2011, 10:54 PM

Quote:

Originally Posted by thor61

The X-over calculator in your link does not do series x-overs, all though I believe Speaker Workshop will ! My problem is I do not have access to a computer that I can down-load anything into. I should have my own back up buy late September. Thank-you for the assistance !

Very welcome sir!

thor61 · 4th July 2011, 03:15 PM

Is this forum not a collective of great works, designs and innovative people ? Come-on people, someone could surely run a simulation or two ! If nothing else it could turn into a really great thread ! Again any help would be greatly appreciated thanks !

DrDyna · 04:41 PM

So I looked up the frequency response of that little woofer and it looks to me as though it can be used full range, as it's pretty much good up to 20khz.

Perhaps you can just hook it right up and save the tweeter for another project

Edit: they say 8khz, probably because it gets a little bumpy from cone breakup. I'd model it for you, but it wouldn't be current drive.

thor61 · 4th July 2011, 05:05 PM

If you could model it with the SB Acoustics tweeter that would be awesome ! Current drive is just on of the benefits of series X-overs ! I very much appreciate your efforts thus far thank-you !

thor61 · 4th July 2011, 05:13 PM

Quote:

Originally Posted by thor61

Is this forum where we have a collective of great works, designs and innovative people ? Come-on people, someone could surely run a simulation or two ! If nothing else it could turn into a really great thread ! Again any help would be greatly appreciated thanks !

Eddited from post #7

3rd July 2011, 05:25 PM	#1
thor61 diyAudio Member Join Date: Feb 2010	Tang Band W4-1720/Series X-over help needed ! Could someone please model or simulate a series X-over for the Tang-band W4-1720 used with a SB Acoustics tweeter here is the data > http://www.solen.ca/pdf/sb/sb25stncc0004.pdf See also > http://www.parts-express.com/pdf/264-872s.pdf Any help would be greatly appreciated ! Thank-you for any or all efforts !

4th July 2011, 04:37 PM	#8
DrDyna diyAudio Member Join Date: May 2007 Blog Entries: 3	So I looked up the frequency response of that little woofer and it looks to me as though it can be used full range, as it's pretty much good up to 20khz. Perhaps you can just hook it right up and save the tweeter for another project Edit: they say 8khz, probably because it gets a little bumpy from cone breakup. I'd model it for you, but it wouldn't be current drive. Last edited by DrDyna; 4th July 2011 at 04:41 PM.

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3rd July 2011, 10:07 PM	#3
thor61 diyAudio Member Join Date: Feb 2010	Would the formulas in this pdf work for a ball-park series X-over ? Link > http://www.passdiy.com/pdf/CurrentSo...erNetworks.pdf The amp I plan to use is a Pass F4 clone with a hi-gain SE tube preamp !

3rd July 2011, 10:35 PM	#4
DrDyna diyAudio Member Join Date: May 2007 Blog Entries: 3	You can get a "ballpark" crossover calculation from a tool like this: 2-Way Crossover Designer / Calculator It's not going to be flat with your drivers though, unless the drivers are razor flat and have the impedance curve of a resistor :S I've found success recently with learning how to use Speaker Workshop and either finding my driver's FRD/ZMA files online, or making my own with SPLTrace. I'm currently taking the time to learn how to use Speaker Workshop and all the FRD tools stuff and it's turning out to be a valuable skill. Give it a whirl!

3rd July 2011, 10:50 PM	#5
thor61 diyAudio Member Join Date: Feb 2010	The X-over calculator in your link does not do series x-overs, all though I believe Speaker Workshop will ! My problem is I do not have access to a computer that I can down-load anything into. I should have my own back up buy late September. Thank-you for the assistance !

4th July 2011, 03:15 PM	#7
thor61 diyAudio Member Join Date: Feb 2010	Is this forum not a collective of great works, designs and innovative people ? Come-on people, someone could surely run a simulation or two ! If nothing else it could turn into a really great thread ! Again any help would be greatly appreciated thanks !

4th July 2011, 05:05 PM	#9
thor61 diyAudio Member Join Date: Feb 2010	If you could model it with the SB Acoustics tweeter that would be awesome ! Current drive is just on of the benefits of series X-overs ! I very much appreciate your efforts thus far thank-you !

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