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A good tweeter to match 5" SB Acoustics Magnesium Woofers

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  • Anyone know when the 6" versions will show up? Madisound has been showing the 5" and 8" on their site for maybe a month now, but not the 6".

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    • I have some Transducer Lab Magnesium tweeters laying around if anybody would like some measurements.
      I might also be selling them if anybody is interested.
      Guess xmax's age.

      My guess: 15. His grammar is passable. His trolling is good.

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      • Quite interested to know the story behind SB releasing the 'Revel' ceramic units for sale. I'm guessing it was partly due to the parent company buyout which resulted in Revel not releasing their ceramic speaker line

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        • I know the janitor at SB, the stories I could tell....

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          • Originally posted by djg View Post
            I know the janitor at SB, the stories I could tell....
            Paul

            The "SB's" build page
            http://techtalk.parts-express.com/sh...-4-(pic-heavy)

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            • Originally posted by xmax View Post


              Producers and Engineers, I don't deal with HiFi people they will believe anything!

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              • Originally posted by xmax View Post


                Producers and Engineers, I don't deal with HiFi people they will believe anything!
                Doesn't deal with HiFi people yet here you are lol . You'd think the responses you've received here would have shown you clearly that the HiFi people won't believe anything, some of us actually believe in science here.
                "I just use off the shelf textbook filters designed for a resistor of 8 ohms with
                exactly a Fc 3K for both drivers, anybody can do it." -Xmax

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                • Originally posted by philthien View Post

                  I think you missed the point.

                  There are a lot of engineers here, degreed engineers. The typical BS one could use with a producer or recording “engineer” won’t get you anywhere here.

                  Opinions are welcome, but delivery is important.

                  Yes us recording engineers are the hobo's of recorded music, you should throw your entire music collection away and listen to live music
                  through a non engineer mixed live feed. My buisness partner has a Phd in physics and engineering but he prefers to stay out of filter design
                  and lets me worry about it.
                  Guess xmax's age.

                  My guess: 15. His grammar is passable. His trolling is good.

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                  • I think having a trained ear like a recording engineer is one of the best skills an advanced diy speaker designer can pick up, to voice crossovers with predictability. Bought this a while back, some day will have time to listen to it!
                    https://www.amazon.com/Critical-List.../dp/1598630237

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                    • Originally posted by DDF View Post
                      I think having a trained ear like a recording engineer is one of the best skills an advanced diy speaker designer can pick up, to voice crossovers with predictability. Bought this a while back, some day will have time to listen to it!
                      https://www.amazon.com/Critical-List.../dp/1598630237

                      What are some of your favorite albums for evaluating loudspeakers? (or just enjoying yourself)
                      Guess xmax's age.

                      My guess: 15. His grammar is passable. His trolling is good.

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                      • Originally posted by xmax View Post


                        Yes us recording engineers are the hobo's of recorded music, you should throw your entire music collection away and listen to live music
                        through a non engineer mixed live feed.
                        On quite a bit of it, I wish I could at least get my money refunded.

                        BTW, this is you or your brother? http://www.normandruce.com/#home

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                        • 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.

                          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.

                          Hopefully you didn't make the same mistake for those designs, yikes...

                          The truth as usual shows up in the phase response.

                          All I need to see is the wrinkle at oh I don't know say 960hz... With all due respect I don't have to like every design on this forum
                          and I'm guessing Frank at SB might not care for it either.


                          Ok, I'm lost, what does this graph show and how does it support all of the above?
                          http://techtalk.parts-express.com/fo...khanspires-but
                          http://techtalk.parts-express.com/fo...pico-neo-build
                          http://techtalk.parts-express.com/fo...ensation-build

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                          • That's just is Kornbread, it actually disproves most of those "opinions" you've quoted. If xmax actually wanted to make the resistor look worse, he would have level matched the drivers at 10kHz so that the 3kHz bump caused by the resistor creates higher distortion at 3kHz, but in that case it would only be higher distortion because the amplitude would be higher at 3kHz, but to those hifi people that will believe anything, maybe they would be convinced ;)

                            "I just use off the shelf textbook filters designed for a resistor of 8 ohms with
                            exactly a Fc 3K for both drivers, anybody can do it." -Xmax

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                            • Oh, I'm mixin', I'ma mixin' for earbuds on an Iphone, earbuds on an Iphone.

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                              • Originally posted by djg View Post
                                Oh, I'm mixin', I'ma mixin' for earbuds on an Iphone, earbuds on an Iphone.

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