What to do with my Ascendant 6.5" drivers?

Spasticteapot · 17th February 2007, 06:46 PM

I'm thinking of using these in a 2-way - I just don't know what to do with them! The Vifa XT25 (the reccomended reference design tweeter) is out of my price range, and the Vifa D26-NC55 (which I've heard should work well) is out of stock.

I'm thinking a 20L ported box (gives a F3 of about 45hz); the Poly 6.5 has low THD to 3khz or so, meaning that (I'd think) almost any tweeter could be used.

http://zaphaudio.com/6.5test/

Any suggestions? The BG Neo3 is nice, but I'm guessing it's going to be tricky to use. I'm getting my (used) copy of SoundEasy in the mail in a few days, so that might help.

joe carrow · 17th February 2007, 08:34 PM

Can you afford the Seas 27DFC or 27TBFCG? They're excellent tweeters, and can cross nice and low. I bet that you'd be able to execute a 2nd order crossover with one of those, thereby saving money on crossover parts.

Andy G · 18th February 2007, 12:25 AM

The AA 6.5" with a seas 27TDFC would be a classic case for using a simple 3 or 4 component series x-o. One coil, one cap, and a couple of resistors.

Spasticteapot · 18th February 2007, 01:44 AM

Quote:

Originally posted by Andy Graddon
The AA 6.5" with a seas 27TDFC would be a classic case for using a simple 3 or 4 component series x-o. One coil, one cap, and a couple of resistors.

Hmm...interesting.

I'll need to find a pair.

454Casull · 18th February 2007, 08:20 AM

How are they yours if you don't even have them?

Andy G · 18th February 2007, 09:35 AM

Quote:

Originally posted by 454Casull
How are they yours if you don't even have them?

I assume he means the 27TDFC's.

AJinFLA · 18th February 2007, 01:08 PM

Quote:

Originally posted by Spasticteapot
I'm thinking of using these in a 2-way - I just don't know what to do with them! The Vifa XT25 (the reccomended reference design tweeter) is out of my price range, and the Vifa D26-NC55 (which I've heard should work well) is out of stock.

If by recommended reference design, you mean the Arbiter TM-1, IIRC the tweeter used was http://www.madisound.com/cgi-bin/ind....7850&pid=2124 , not much more than the D26-NC55.
Exactly what is your price range?

cheers,

AJ

tinitus · 18th February 2007, 08:13 PM

XT25, I think is ok, but kind of a difficult "beast" to tame

You might have more luck with XT19 - its a real "softie" and only 40USD, but I would cross it pretty high

Or a Vifa TC26 at around 20USD looks nice

Spasticteapot · 20th February 2007, 04:32 AM

Quote:

Originally posted by AJinFLA

If by recommended reference design, you mean the Arbiter TM-1, IIRC the tweeter used was http://www.madisound.com/cgi-bin/ind....7850&pid=2124 , not much more than the D26-NC55.
Exactly what is your price range?

cheers,

AJ

My price range is "as cheap as possible".

I'm considering a pair of lightly use BG Neo3's. Goodness knows how I'll manage the crossover, but they're supposed to be fine tweeters, and I'll be using these 'till I have my own apartment. (My wacky Apogee ribbon hybrids are too big for a dorm room, and honestly, I'd rahter keep 'em in storage than risk a drunken roomate ruining them.)

Nemophyle · 20th February 2007, 09:05 PM

I second the seas 27TDFC, easy to cross, maybe if you pair it with a 6$ waveguide like zaph did, you REALLY only need a cap to cross it, and it's an all done crossover because you can get the curves on zaph's site, you just have to work the AA, wich may be very simple, maybe a coil will be enough.

17th February 2007, 06:46 PM	#1
Spasticteapot diyAudio Member Join Date: Jan 2006 Location: Wisconsin....what did you expect?	What to do with my Ascendant 6.5" drivers? I'm thinking of using these in a 2-way - I just don't know what to do with them! The Vifa XT25 (the reccomended reference design tweeter) is out of my price range, and the Vifa D26-NC55 (which I've heard should work well) is out of stock. I'm thinking a 20L ported box (gives a F3 of about 45hz); the Poly 6.5 has low THD to 3khz or so, meaning that (I'd think) almost any tweeter could be used. http://zaphaudio.com/6.5test/ Any suggestions? The BG Neo3 is nice, but I'm guessing it's going to be tricky to use. I'm getting my (used) copy of SoundEasy in the mail in a few days, so that might help.

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17th February 2007, 08:34 PM	#2
joe carrow diyAudio Member Join Date: May 2004 Location: San Francisco	Can you afford the Seas 27DFC or 27TBFCG? They're excellent tweeters, and can cross nice and low. I bet that you'd be able to execute a 2nd order crossover with one of those, thereby saving money on crossover parts.

18th February 2007, 12:25 AM	#3
Andy G diyAudio Member Join Date: Apr 2002 Location: Newcastle, Australia	The AA 6.5" with a seas 27TDFC would be a classic case for using a simple 3 or 4 component series x-o. One coil, one cap, and a couple of resistors.

18th February 2007, 08:20 AM	#5
454Casull diyAudio Member Join Date: Jan 2004 Location: Toronto, ON, Canada	How are they yours if you don't even have them?

18th February 2007, 08:13 PM	#8
tinitus diyAudio Moderator Join Date: Nov 2005	XT25, I think is ok, but kind of a difficult "beast" to tame You might have more luck with XT19 - its a real "softie" and only 40USD, but I would cross it pretty high Or a Vifa TC26 at around 20USD looks nice

20th February 2007, 09:05 PM	#10
Nemophyle diyAudio Member Join Date: Sep 2004 Location: paris	I second the seas 27TDFC, easy to cross, maybe if you pair it with a 6$ waveguide like zaph did, you REALLY only need a cap to cross it, and it's an all done crossover because you can get the curves on zaph's site, you just have to work the AA, wich may be very simple, maybe a coil will be enough.

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