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Share proven or your small designs for PC/Bedroom

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  • Share proven or your small designs for PC/Bedroom

    I'm looking for a small bookshelf speaker for my bedroom\computer desk. Looking for additional suggestions and opinions on the speakers below.

    I have already done extensive research but I suspect many designs are unpublished. Too bad that DIY competitions don't have a requirement of sharing schematics for the winners and runner-ups. Swope HT and Overnight sensations are nice but I am looking for reference quality.

    In particular I find speakers capable of 80hz for subwoofer integration & <$200 desirable. The Vifa XT25SC90-04 ($13.65), Vifa XT25TG30-04 & Vifa XT25BG60-04 are of particular interest given their price and performance.

    Microbes XT - 81dB, RS125-8 + Vifa XT25SC90-04 $185/pair excluding cabinets
    An interesting variant of the , my ideal speaker although with a very low sensitivity. Maybe Roman is simply more realistic in how he rates his speakers sensitivity? Zaph's measurement of the RS125 shows 82.65db. In fact most drivers fail to meet their sensitivity ratings on Zaph's site.
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    The Arias - N/A db, RS150-4 + Vifa XT25SC90-04, $150/pair excluding cabinets
    Any input on this design would be nice, the designer appears to be well respected however he did state that this was one of his first designs. I am looking for a speaker without compromises. Cheap, nice drivers, and good extension
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    Swift Ultima - 85db (1w/1m), Zaph ZA14W08 + Vifa XT25TG30-04, $210/pair excluding cabinets
    Appears to be a no compromise design. Cosmetically the black tweeter contrasting with the silver driver is not ideal. The ZA14W08 is weak in the bass but makes a phenomenal mid
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    Swift Ultima II - 85db (1w/1m), Zaph ZA14W08 + Vifa XT25SC90-04, $180/pair excluding cabinets
    Same as the Ultima but uses the low cost neo Vifa. Cosmetically better although how much performance could be gained by using the larger XT25 is unknown.
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    Amethyst Micro Monitor - Tang Band W4-1052SD + Dayton ND20FA-6
    Too bad that some of Lou's speakers use NLA drivers. I find most of his designs catch my eye and it would be nice if substitutes were found. The Tang Band actually has good distortion, appeal, and sadly hardly anyone has used them. A budget champ tweeter used in so many proven speakers but not quite up to the Vifa's.
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    Last edited by Krillin; 05-05-2017, 02:29 AM.

  • #2
    Wish list: These lil buggers are gorgeous, found the pic under a review for the PS95-8. $34 in drivers per speaker and nobody has made a passive desktop PC speaker out of them yet . Dayton PS95 & Vifa XT25SC90-04. If a good designer builds them, so will I
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    Noteworthy mention: Lou C's C-Killas


    • #3
      I'm open to partnering up if the design is compelling. After agreeing on the overall concept, I'll do the frontend design work, then you build it and ship one to me, I'll measure and model the crossover.

      Some ideas:
      Chip amps?
      Active or passive?
      Cost? Just how "reference" do you want these to be?

      Currently I have an idea involving the 46mm BMR matched with the DSA90, but with such a small woofer and no tweeter probably not "reference". Another is a wireless garage/patio speaker using the 13cm SB Acoustics coaxial. Might not be reference paper, but it also might be surprising just how good it could sound.
      Please donate to my Waveguides for CNC and 3D Printing Project!!
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      Soma Sonus


      • #4
        If you're looking for reference quality small speakers, you should look at my Reference Mini's. It isn't the most buildable or budget friendly speaker in the world though , but it is something I can finally call a reference quality small speaker.


        • #5
          I've used the ps95 in two different facets, and find it to be a fantastic driver for such needs

          There are a zillion wonderful designs in your requirements. I expect a lot of rec's coming shortly.....
          Builds - C-Killa - Speedsters - LithMTM - Talking Sticks - Pocket Rockets - Khanspires - Dayton RS Center - RS225/28A - Kairos - Adelphos - SEOS TD12X - Dayton 8 - Needles - 871S - eD6c - Overnight Sensations - Tritrix (ported) - Lineup F4 - Stentorians - The Cheapies - Tub Thumpers - Barbells - Tuba HT - Numerous subwoofers - probably missing a few...... :p


          • #6
            For my PC I use a small bookshelf made from DA115-8 and a BC25. Being an 8 ohm small woofer it is a low sensitivity design, but sounds pretty good and produces enough bass for me that I don't use a subwoofer with it. With PC systems I always find a subwoofer sounds disconnected from the rest of the system, hard to get the integration to sound seamless. This small bookshelf would easily be re-purposed for a bedroom or as surround sound speakers.

            The cost and low end extension of this speaker certainly meet your criteria.
            I'm not deaf, I'm just not listening!


            • #7
              I will link this design, you probably never heard of it. Longtime PE contributor. You can make it as pretty as you like.



              • #8
                More. Scott Sehlin has several interesting designs, Tom Zarbo is working on an MTM Bantam.




                • #9
                  Scott Sehlin's Rhodium is really nice.
                  I imagine my Stances are too big.
                  Jhollander's Tekt65 were really nice too.

                  There are many out there!
                  "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

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                  • #10
                    I'll put a vote in for Scott Sehlin's Helium Micro Monitors. All Dayton drivers but they sound phenomenal for such a compact speaker. Demoing my TPA3118 amp with one channel last night and it easily filled the room. Can also cross to a sub at 80hz pretty well.
                    Like my Dad always says, "I know enough to be dangerous!"


                    • #11
                      RJB's microbe's, i would say the microbe SE's as well but he never updated the xo for the RS125-8 vs the RS125S-8 that was used.


                      • #12
                        I have built the Microbe XT's. They are a fine set of small monitors. However, I have also built the (forbidden to link) Sopranos by Jeff Bagby and I prefer them over the Microbes. I would also throw an endorsement toward the Tasha design.


                        • #13
                          Thanks augerpro. One day I may take up that offer but for now I would not prefer to ship stuff back and forth. I did find your BoseBusters and I think they are quite nice. Cosmetically I like the older silver versions but performance-wise both are . Going forward I am going to just post designs that catch my eye. I got tired of calculating price but hopefully this thread will help people wondering what to build.

                          Bose Buster v2 - Fountek FR88EX + SB26STCN-C000-4
                          Those founteks are little 3" wonders. For the SB26 I see a small mtm for desktop use but not a TM. Personally I think a silver tweeter like the new Tang Band 25-2176S would cosmetically be a stunner. The older all silver version can be found on AVSForum
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                          Tasha near field monior - Tang Band W5-704D + Vifa XT25SC90-04, $165/pair excluding cabinets
                          Near perfect flat response and not too expensive. The Tang Band has avg. distortion but I have read of a lot of love for this driver. Looks good too.
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                          Bantams TM - Dayton Audio ND 91-4 + Dayton AMTPOD-4
                          Tiny & good looking. Based on the graph a crossover around 100-120hz is needed but the rolloff in bass is slow. I am curious how these neo daytons compare to the Dayton RS drivers? Edit: They roll off in the mid 60hz's, correction on post #20
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                          Bantam MTM - Dayton Audio ND 91-4 + Dayton AMTPOD-4
                          Not sure if this is too big. Didn't see a crossover posted, might bust my $ limit but I am getting tired of calculating price lol
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                          Last edited by Krillin; 05-06-2017, 08:51 PM.


                          • #14
                            Rhodiums - SB12PAC25-4 + Fountek NeoCD1.0
                            Always wanted to try a ribbon. Comes out to about $200 and is a little cheaper than the Speedsters.
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                            Madison-D and Madison-R - w4-1720 + Beston RT003C or Tymphany BC25SC06
                            The Beston version looks particularly interesting
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                            Iron Driver winner MTM - Peerless 830656 + XT25BG60-04 $184
                            Finding a speaker that uses the XT25BG60-04 is quite a chore. Unsure about the woofer but it's obviously well designed, cheap, and a keeper.
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                            Levitation TM's - Fountek FW168 + Vifa BC25SG15
                            Speaker with a dip between 1-5Khz. Perfect for those who like a more relaxed sound.
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                            SLS-85 - Peerless DX20BF00-04 + Peerless SLS-85S25CP04-04
                            Desktop monitor. Quite cheap, tall, and with good extension.
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                            • #15
                              Originally posted by Krillin View Post
                              Thanks augerpro. One day I may take up that offer but for now I would not prefer to ship stuff back and forth.
                              Given how small and simple the box would be, it would make more sense to build an extra and just send it one way. But yeah, just thought I'd throw it out there. So many really cool designs floating around now.
                              Please donate to my Waveguides for CNC and 3D Printing Project!!
                              Please donate to my Monster Box Construction Methods Project!!
                              Soma Sonus