A good tweeter to match 5" SB Acoustics Magnesium Woofers

[craigk]

Just guessing looking at the filter the tweeter would be struggling with the low high-pass frequency and slope made worse by the resistor "pad"
without a shunt. I would be happy to prove it to you.

Please prove it. I would be more than happy to build the design you come up with and we can do a side by side blind listening session at the next diy event.

[ernperkins]

I would steer clear of the Sopranos design that tweeter can sound so much better with a good crossover design.

Wow! The phrase "Put your mind into gear before putting your mouth into motion" immediately came to mind.
"

[Wolf]

I'm with the rest of these guys, and have heard them on more than one occasion by different builders as well as Jeff's. They are fine as they are.

Later,
Wolf

[xmax]

Wow! The phrase "Put your mind into gear before putting your mouth into motion" immediately came to mind.
"

Exactly.

[dcibel]

Change the DCR of that or any tweeter 6.2 ohm higher (like what the "pad" resistor is doing) into any xover simulation.
Or do it in actual reality and look what happens to the transfer function or actual response.
Then look at the distortion. Then please tell me why you would want to torture any well designed driver.

What a lol train. Please xmax stop embarrassing yourself, go back to the LCD Cookbook and learn the basics, driver attenuation start around page 175. Distortion is not affected by a series resistor, frequency response is. Not every speaker needs an L-pad to drop the level, sometime the change in frequency response from a single resistor is to the benefit of the transfer function and resulting frequency response. There is nothing secret or hiding in the Sopranos design, the crossover, frequency response, phase, and transfer function are all there for all to see.

I will await the entertainment of your explanation of how to properly pad a tweeter.

[gowa]

Don't overlook the Wavecor TW022WA06. It's not a small faceplate but quite a nice tweeter.

[xmax]

What a lol train. Please xmax stop embarrassing yourself, go back to the LCD Cookbook and learn the basics, driver attenuation start around page 175. Distortion is not affected by a series resistor, frequency response is. Not every speaker needs an L-pad to drop the level, sometime the change in frequency response from a single resistor is to the benefit of the transfer function and resulting frequency response. There is nothing secret or hiding in the Sopranos design, the crossover, frequency response, phase, and transfer function are all there for all to see.

I will await the entertainment of your explanation of how to properly pad a tweeter.

"sometime the change in frequency response from a single resistor is to the benefit of the transfer function and resulting frequency response."

This is exactly my point, why would anyone want peaking below 2K with a tweeter that already has peaking below 2K and a Fs of 960hz?
And hence the comment about distortion.

Don't worry I ordered the tweeters yesterday to prove my point. This forum seems more like a cult instead of a place for people
to share different approaches and a place to learn.

I don't think I would even ask the SB29RDNC-C000-4 to deal with that transfer function.

[xmax]

And as for the original post I recommend the SB29RDNC-C000-4.

[dcibel]

"sometime the change in frequency response from a single resistor is to the benefit of the transfer function and resulting frequency response."

This is exactly my point, why would anyone want peaking below 2K with a tweeter that already has peaking below 2K and a Fs of 960hz?

I don't think I would even ask the SB29RDNC-C000-4 to deal with that transfer function.

I would suggest running a baffle diffraction simulation to better understand why.

Please do point out the peaking below 2kHz. Here I've provided the on-axis frequency response and transfer function with the area circled for you. Now here I will expect something like "oh I mean 3.5kHz" where you might see a "peak" in the transfer function, or if you look at it another way, you might see an attenuation toward high frequencies that is necessary to obtain the intended system response.

As for your last statement, why you would expect any tweeter to "deal" with a crossover that's not specifically designed for it and the baffle it's mounted on is beyond me.


This last one is the manufacturer data for the SB26STCN, showing all that peaking we're talking about.

[xmax]

The truth as usual shows up in the phase response.

[dcibel]

.

[xmax]

I would suggest running a baffle diffraction simulation to better understand why.

Please do point out the peaking below 2kHz. Here I've provided the on-axis frequency response and transfer function with the area circled for you. Now here I will expect something like "oh I mean 3.5kHz" where you might see a "peak" in the transfer function, or if you look at it another way, you might see an attenuation toward high frequencies that is necessary to obtain the intended system response.

As for your last statement, why you would expect any tweeter to "deal" with a crossover that's not specifically designed for it and the baffle it's mounted on is beyond me. [ATTACH=CONFIG]n1357378[/ATTACH]
[ATTACH=CONFIG]n1357379[/ATTACH]

This last one is the manufacturer data for the SB26STCN, showing all that peaking we're talking about.
[ATTACH=CONFIG]n1357381[/ATTACH]

The tweeter used in this baffle peaking, sorry if that was not clear enough.

[dcibel]

The tweeter used in this baffle peaking, sorry if that was not clear enough.

Ok great, you've found the on-axis response using this baffle, so please go on to explain how the transfer function applied to that response is incorrect. I also want to hear more about the distortion created by the resistor, and the phase.

[dcibel]

A graph of something, probably not important.

[xmax]

Ok great, you've found the on-axis response using this baffle, so please go on to explain how the transfer function applied to that response is incorrect. I also want to hear more about the distortion created by the resistor, and the phase.

No problem, I will have the tweeters Tuesday.