New 3-Way Design

[joetama 5,000+ posts]

I am finally getting around to designing a loudspeaker system around the CSS drivers that I won from Audiojunkies.

I am looking at doing a 3-Way design using them as the bass drivers. Right now I am thinking of crossing them over in the 300-400 Hz range. But, other than that I'm not sure what drivers I am going to use.

I have been looking at the Seas 27TDFC as the tweeter but I'm not sure. I might just use the Dayton DC-28FC tweeter. Not really in the same class as the Seas but still pretty cheap and I have been pleased with another project I used them on. I would like to keep with a silk dome of some type for this design. So any input is appreciated. I like like to cross it over 2nd order in the 3.5-5Khz range.

Now for the mid-range. I have no idea. I've been looking at the Dayton RS-100 but I'm not too sure about it since it is considered a 'full range' driver. I've also been looking at the Dayton RS-52 also. I've never built a 3-way before so I don't really know jack about the drivers. So, mucho input is appreciated.

My idea crossover goals are the CSS from 20Hz to 400 Hz 2nd Order.

Midrange from 400Hz to 4 kHz 2nd Order and the Tweeter 2nd order at 4kHz.

Any ideas?

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[PV Audio 5,000+ posts]

TMWW, 2.5-way setup instead. That way, (assuming this is a budget setup), you can see how they sound in bandpass and lowpass, and if it sounds like anus, just pop in a new filter and run it 3-way.

IMO, the Hi-Vi SD1 rapes that Dayton tweet. I've used both, and it's really amazing.

 

[joetama 5,000+ posts]

TMWW, 2.5-way setup instead. That way, (assuming this is a budget setup), you can see how they sound in bandpass and lowpass, and if it sounds like anus, just pop in a new filter and run it 3-way.
IMO, the Hi-Vi SD1 rapes that Dayton tweet. I've used both, and it's really amazing.

Well I only have 2 woofers total. And I don't really feel like spending $200 on two more. So it is going to be a TMW setup. I'd rather not run the CSS driver too high because from playing with it 700ish Hz & up it starts to sound funky. And obviously a tweeter isn't going to be too happy about playing that low.

I've never used the Hi-Vi tweeters before but will check them out.

 

[PV Audio 5,000+ posts]

O, I thought you got like 6 of 'em in bulk or somethin. NM, then, what kinda enclosure we thinkin?

 

[joetama 5,000+ posts]

Ported but I'm not sure what size yet.

I need to so some design that way. I am maybe thinking about a T-Line design. Something PMC inspired maybe.

 

[IamDeMan 5,000+ posts]

If you want to cross over as high as 5k 2nd order on your tweet then an "extended range" driver like the dayton you mention may be appropriate.

Just a thought

 

[joetama 5,000+ posts]

Are you talking about the RS-100?

 

[IamDeMan 5,000+ posts]

Are you talking about the RS-100?

Yes, but I am speaking in more general sense. You mention the RS-100. I have no experience with it, I'm just saying don't be turned off by it being labeled "extended range, especially if you want to cross it over high at 2nd order.

 

[BrianChia 10+ year member]

With the extended range driver serving as your midrange you should be able to cross it over fairly high. I'd lean towards the higher range (maybe 5khz+ 2nd order) to get the crossover point up above the average range of vocals. I don't know anything about the CSS woofer and I'm not sure how well it would work in a T-line. Are you using the 7"? I would try to cross it in with a 1st order slope serving as BSC.

 

[joetama 5,000+ posts]

I'm thinking about getting one just to play with.

They are only $26. So... Meh...

 

[joetama 5,000+ posts]

With the extended range driver serving as your midrange you should be able to cross it over fairly high. I'd lean towards the higher range (maybe 5khz+ 2nd order) to get the crossover point up above the average range of vocals. I don't know anything about the CSS woofer and I'm not sure how well it would work in a T-line. Are you using the 7"? I would try to cross it in with a 1st order slope serving as BSC.

Yea I haven't run the numbers yet so I don't know what box I'm using...

I might just use a sealed box for simplicity. But, yea the driver is the SDX7.

 

[silvercookie 5,000+ posts]

well found out those canton tweeters are 60w and are 8 ohm.

so the offer is on the table.

if you want i can try to find my dmm and test the ohms for you.

but i definitley know they are 60w

and i found one of the mids that i took out of the case as well.

the other one i blew lol didnt realize how good they were.........

it played for about 4 minutes on a 150w amp. but the one i have is just a little dusty.

maybe good center channel?