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  • These crazy Silver Flute woofers

    I have a pair of Silver Flute W17RC38 6.5" woofers that I got in Richmond, and I have been tinkering around with them.

    These things are really something for the cost. I don't know how they measure in terms of distortion and such, but the build quality is ridiculous. Nice cast frame, large magnet/motor assembly, beautiful cone, excellent quality of assembly - surround looks great, glue lines are clean, etc. These things have no right to be sold for $25. I have a pair of Focal 6K412L's - cast frame, polykevlar cones, and the Silver Flutes are significantly more robust looking and are made every bit as good. Shoot, they're also as well built as my PHL's. The specs test out pretty close to advertised right out of the box and they claim an Xmax of 5mm, where the Focal lists 4.5mm.

    Here's a pic:



    So, after this hearty endorsement, what tweeter do you think would be a good match for this thing? I'm looking for options in the "inexpensive, but very good for the money" category - just like the woofer. Might make a nice kit, or project to post, who knows?

    I have a pair of Usher 9930's which I can use, but those cost almost twice as much as the woofers do. Still, it might be a nice match, especially for a low crossover point. How do we all feel about Morel MDT20, or Dayton Silkie, ? Your thoughts?

    Jeff
    Last edited by Jeff B.; 06-12-2008, 10:04 PM. Reason: Added pic
    Click here for Jeff Bagby's Loudspeaker Design Software

  • #2
    Re: These crazy Silver Flute woofers

    I'm using a Seas Seas 27TFFNC/G tweeter with each of my Silver Flute 6.5" drivers, along with a Madisound-designed x-over. Sound pretty good to me - it's a car audio install though, and I'm using the 4-ohm versions of the drivers. If you do choose to use that tweeter, I'd really be interested in your results, including the x-over.
    Brian Steele
    www.diysubwoofers.org

    Comment


    • #3
      Re: These crazy Silver Flute woofers

      How about one of the SB acoustics tweeters or a Vifa D26? The Vifa is hard to beat at any price.

      Comment


      • #4
        Re: These crazy Silver Flute woofers

        How about the Vifa DQ25SC05-04? http://www.madisound.com/catalog/pro...oducts_id=8352

        I *subjectively* think it sounds better than the Tang Band 25-1166s (old version). I may be wrong. I don't know if it can cross low enough either.

        You brought up the silkie, may I suggest the HiVi K1 as well? I prefer it over the silkie, and it cost less.

        Perhaps Vifa DX25?

        Jed brought up 2 good candidates as well.

        Comment


        • #5
          Re: These crazy Silver Flute woofers

          I like the Dayton silkie after some simple mods. I used a 1" length of 2" pvc pipe to extend the back cup and restuffed the pole piece with cotton(didn't have any wool). These are a good match to my S.F. 5.5's and will now cross below 2k easily.
          "Looks like you may have to design your own speakers. Its not that hard." -DE Focht

          Diffraction Happens

          Comment


          • #6
            Re: These crazy Silver Flute woofers

            Well, I've used the Vifa DX25TG05-04 and found it to be very good for the money.
            http://www.partsexpress.com/pe/showd...number=264-578

            By the way Jeff, that may qualify under my 2-way on the cheap post.
            http://techtalk.parts-express.com/sh...d.php?t=205586
            No matter where you go, there you are.
            Website

            Comment


            • #7
              Re: These crazy Silver Flute woofers

              Originally posted by Jeff B. View Post
              I have a pair of Silver Flute W17RC38 6.5" woofers that I got in Richmond, and I have been tinkering around with them.

              These things are really something for the cost. I don't know how they measure in terms of distortion and such, but the build quality is ridiculous. Nice cast frame, large magnet/motor assembly, beautiful cone, excellent quality of assembly - surround looks great, glue lines are clean, etc. These things have no right to be sold for $25. I have a pair of Focal 6K412L's - cast frame, polykevlar cones, and the Silver Flutes are significantly more robust looking and are made every bit as good. Shoot, they're also as well built as my PHL's. The specs test out pretty close to advertised right out of the box and they claim an Xmax of 5mm, where the Focal lists 4.5mm.

              Here's a pic:



              So, after this hearty endorsement, what tweeter do you think would be a good match for this thing? I'm looking for options in the "inexpensive, but very good for the money" category - just like the woofer. Might make a nice kit, or project to post, who knows?

              I have a pair of Usher 9930's which I can use, but those cost almost twice as much as the woofers do. Still, it might be a nice match, especially for a low crossover point. How do we all feel about Morel MDT20, or Dayton Silkie, ? Your thoughts?

              Jeff
              I'm using the SF YAG-20/Dayton PT2-a with my (shielded 4 ohm) 7" W17RC-38S-4, but the cabs are in progress. That was a higher-parts count blending than maybe some others would lend.

              I like the DX25 option, as that might work quite well.

              Of the options at PE (browsing the cat):
              Dynavox 275-200
              HiVi TN25
              MDT20 might be good!
              BG Neo3PDRW

              At Mad:
              Fountek NeoCD1.0(?) (I know it's a ribbon, and that is why the price is STILL double.)
              HiVi RT1.3 (xover to 2.5kHz)
              SEAS 22TAF/G(?)
              Of Course Morel MDT20/Vifa D26NC55 and such...

              I have a set of RT1.3/TN25/Neo3PDR that I am planning to use relatively soon if you want to check them out some time.
              Later,
              Wolf
              "Wolf, you shall now be known as "King of the Zip ties." -Pete00t
              "Wolf and speakers equivalent to Picasso and 'Blue'" -dantheman
              "He is a true ambassador for this forum and speaker DIY in general." -Ed Froste
              "We're all in this together, so keep your stick on the ice!" - Red Green aka Steve Smith

              *InDIYana event website*

              Photobucket pages:
              http://photobucket.com/Wolf-Speakers_and_more

              My blog/writeups/thoughts here at PE:
              http://techtalk.parts-express.com/blog.php?u=4102

              Comment


              • #8
                Re: These crazy Silver Flute woofers

                I just had a very positive experience with the Silver Flute W14RC25. I agree with you that the build quality on them is excellent, and the cones just look outstanding.

                I had such a good time with the driver that I was all set to order a pair of the W17. But first I plugged in some T/S specs into Unibox. Seems I can get a lower F3 with the W14--in a smaller box, no less. This seems odd to me. Are the mfr measurements incorrect? (interestingly, the T/S specs for the W14 were fairly close to my measurements) I thought I tried a pretty wide varieties of box alignments, but that W17 I just can't get an F3 below like 53 Hz.

                Extension aside, I'm very curious what the W17 is capable of. Be sure to keep us posted with any findings you make.
                I won't rest until I've TMM all the things!

                Paul Carmody's DIY Audio Projects
                Twitter? @undefinition1

                Comment


                • #9
                  Re: These crazy Silver Flute woofers

                  I vote for the Morel MDT-20. Of course that's only because I'm back to playing with that tweeter yet again. I can't help myself, I just like how it does the jorb.

                  shawn
                  My favorite woofer is a Labrador retriever.

                  Comment


                  • #10
                    Re: These crazy Silver Flute woofers

                    Originally posted by undefinition View Post
                    I just had a very positive experience with the Silver Flute W14RC25. I agree with you that the build quality on them is excellent, and the cones just look outstanding.

                    I had such a good time with the driver that I was all set to order a pair of the W17. But first I plugged in some T/S specs into Unibox. Seems I can get a lower F3 with the W14--in a smaller box, no less. This seems odd to me. Are the mfr measurements incorrect? (interestingly, the T/S specs for the W14 were fairly close to my measurements) I thought I tried a pretty wide varieties of box alignments, but that W17 I just can't get an F3 below like 53 Hz.

                    Extension aside, I'm very curious what the W17 is capable of. Be sure to keep us posted with any findings you make.
                    I'm using the W17RC38S-4, and I get F3 of 40 Hz vented with 18 ltrs. If you want the specs, I can send them your way...
                    Wolf
                    "Wolf, you shall now be known as "King of the Zip ties." -Pete00t
                    "Wolf and speakers equivalent to Picasso and 'Blue'" -dantheman
                    "He is a true ambassador for this forum and speaker DIY in general." -Ed Froste
                    "We're all in this together, so keep your stick on the ice!" - Red Green aka Steve Smith

                    *InDIYana event website*

                    Photobucket pages:
                    http://photobucket.com/Wolf-Speakers_and_more

                    My blog/writeups/thoughts here at PE:
                    http://techtalk.parts-express.com/blog.php?u=4102

                    Comment


                    • #11
                      Re: These crazy Silver Flute woofers

                      Originally posted by Wolf View Post
                      I'm using the SF YAG-20/Dayton PT2-a with my (shielded 4 ohm) 7" W17RC-38S-4, but the cabs are in progress. That was a higher-parts count blending than maybe some others would lend.

                      I like the DX25 option, as that might work quite well.

                      Of the options at PE (browsing the cat):
                      Dynavox 275-200
                      HiVi TN25
                      MDT20 might be good!
                      BG Neo3PDRW

                      At Mad:
                      Fountek NeoCD1.0(?) (I know it's a ribbon, and that is why the price is STILL double.)
                      HiVi RT1.3 (xover to 2.5kHz)
                      SEAS 22TAF/G(?)
                      Of Course Morel MDT20/Vifa D26NC55 and such...

                      I have a set of RT1.3/TN25/Neo3PDR that I am planning to use relatively soon if you want to check them out some time.
                      Later,
                      Wolf
                      I just designed a crossover for the Dayton PT2 yesterday for someone else. Now there's a coincidence. I probably wouldn't use it here though. I think I'll stick with a dome. Well, lot's of recommendations from folks. I'll have to take a closer look at a few.
                      Click here for Jeff Bagby's Loudspeaker Design Software

                      Comment


                      • #12
                        Re: These crazy Silver Flute woofers

                        Originally posted by Jed K. View Post
                        How about one of the SB acoustics tweeters or a Vifa D26? The Vifa is hard to beat at any price.

                        Hmmmmm...Two very interesting choices. The SB sounds interesting because I haven't seen anyone use it yet. It also looks like it incorporates some nice features for the money, which certainly qualifies it to mate up in this combo as an inexpensive two-way that pushes the technology. It's looks pretty good in the picture too.


                        Click here for Jeff Bagby's Loudspeaker Design Software

                        Comment


                        • #13
                          Re: These crazy Silver Flute woofers

                          Originally posted by Jeff B. View Post
                          I have a pair of Silver Flute W17RC38 6.5" woofers that I got in Richmond, and I have been tinkering around with them.

                          These things are really something for the cost. I don't know how they measure in terms of distortion and such, but the build quality is ridiculous. Nice cast frame, large magnet/motor assembly, beautiful cone, excellent quality of assembly - surround looks great, glue lines are clean, etc. These things have no right to be sold for $25. I have a pair of Focal 6K412L's - cast frame, polykevlar cones, and the Silver Flutes are significantly more robust looking and are made every bit as good. Shoot, they're also as well built as my PHL's. The specs test out pretty close to advertised right out of the box and they claim an Xmax of 5mm, where the Focal lists 4.5mm.

                          Here's a pic:



                          So, after this hearty endorsement, what tweeter do you think would be a good match for this thing? I'm looking for options in the "inexpensive, but very good for the money" category - just like the woofer. Might make a nice kit, or project to post, who knows?

                          I have a pair of Usher 9930's which I can use, but those cost almost twice as much as the woofers do. Still, it might be a nice match, especially for a low crossover point. How do we all feel about Morel MDT20, or Dayton Silkie, ? Your thoughts?

                          Jeff

                          Dayton Silkie FTMFW! I have toyed with silver flutes and their tonality mateches flawlessly with the Dayton. 2 bang for the bus drivers working together is a wonderful thing. Don't waste the $$$ for the ounce more inner detail of the MDT30. IMHO, as always.
                          Facebook Page - Ocean State Acoustics

                          Comment


                          • #14
                            Re: These crazy Silver Flute woofers

                            Funny you bring this up.... I met a guy who works for them in Asia last year. He got me a pair of 8", 6.5" and 5.25" paper cone versions of these drivers and I agree they are built second to none. He also gave me a ribbon tweeter they build... yuck is all I can say.

                            I did measurements on them and they are as expected for paper cones very smooth with the 8" having a slight break up just above 2K the smaller 5.25" driver rolled off nicely.

                            I built a 3 way with the 8" and 5.25" using a small faceplate 1" OEM fabric tweeter crossed at 3500Hz and they sound great. In hindsight I wished I had used a better tweeter. The 6.5" drivers ended up being a center channel they are all in service in my brother in laws HT. He loves them and I do have to admit they sounded great and easily worth more than what Madisound charges.

                            I also did a set of bookshelf speakers for a guy using the 6.5" wool cone drivers and a BG neo3 crossed at 2500Hz they were also quite impressive really doing nothing bad.

                            I second the endorsement that these are great drivers, they make a poly cone version of these drivers also. I wish someone would carry the paper and poly versions. Personally I would be tempted to put them in a category very close to the Seas Excel line from a build qiality standpoint. But that might get some feathers ruffled. They are worth every penny of their modest price.

                            Dave
                            Dave

                            If you can read this, thank a teacher.
                            If you are reading it in English thank a Veteran
                            .

                            Comment


                            • #15
                              Re: These crazy Silver Flute woofers

                              try them with a morel mdt39. i have a pair crossed to some focal 5k woofers very nice.

                              Comment

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