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  • What have you DIY'd in your system?

    I have made extensive modifications to my cj preamp, built my DAC from a kit, made my interconnects myself, built an electronic timer for my hour meter, and modified my tube tester.
    Magnepan 1.6 QR Loudspeakers, Amherst A-2000 MOSFET 150 WPC Amp, Conrad Johnson PV-10A Modded Tube Line & Phono Stage, Electrocompaniet MC II Class A Head Amp, Audio Technica AT-OC9XML Cart (Stereo) , Graham Engineering 2.2 Tonearm (Stereo) , VPI Aries-1 Turntable (Stereo) , VPI Clamp, Denon DL-102 Cart, (Mono) , Luxman Tonearm (Mono) , Kenwood KD-500 Turntable (Mono) , Michell Clamp, Marantz 20B Analog FM Tuner, Pioneer SACD, Onkyo DX-6800 CD Transport, DIY 24B/192K DAC, Sennheiser HD-650 Headphones, Headroom Max Balanced Headphone Amp, DIY Silver Interconnects

  • #2
    Currently, just my rack (a typical flexi-rack) and my passive line stage (though built for me by a friend). Someday I want to build a gainclone.
    Steve Lefkowicz
    Senior Associate Editor at Positive Feedback
    -
    Analog 1: Linn LP12 (MOSE/Hercules II), Ittok, Dynavector 10X5 MK.II Low, iPhono2/iPowerX; Analog 2: Pro-Ject RPM-1 Carbon, Talisman S, iFi iPhono.
    Digital: Samsung 300E5C notebook, JRiver Media Center 28, Tidal HiFi, Qobuz Studio), iFi NEO iDSD, iFi iUSB3, iPurifier2, Audioquest Jitterbug.
    Electronics: DIY passive line-stage, Antique Sound Labs MG-SI15DT-S, Burson Timekeeper Virtuoso
    Speakers: Tekton Perfect SET 15, Tekton Lore, Magneplaner .7
    Interconnects: Morrow Audio MA1, Vermouth Audio Black Pearl, Audioquest Evergreen
    Speaker cables: WyWyres Diamond, Morrow Audio SP4, Vermouth Audio Red Velvet, Audioquest Type 5
    Digital cables: Aural Symphonics USB, iFi Gemini twin-head USB.
    Accessories: Sound Organization turntable shelf, Mondo racks, Pangea Audio Vulcan rack, Pi Audio Group Über BUSS, Monster HTS2000 power conditioner, Kinetronics anti-static brush, Pro-Ject VC-S record cleaner, Spin Clean record cleaner.
    Headphones: Schiit Valhalla amp, Burson Conductor Virtuoso Amp, Meze Audio 99 Classic and 99 Neo, Beyerdynamic DT770Pro 600 ohm, DT770 Studio 80 ohm, 1More Triple Driver Over Ear, 1More Triple Driver IEM

    Comment


    • #3
      Wow your pretty good at this. In the past I built a few things. David Hafler kits. His preamp , his Amps dh500 and a dh 220. The preamp I do not remember the model. I still,have them all and they work . Cross overs fr some speakers , even used O scope to find the best point of cross over
      no at this age I am done with that. I fly rc helicopters so they always need something , very critical stuff a major pain really. I envy those who enjoy doing it. As I never did or do now. My plan now is sell,of everything by end of year and just keep one set of headphones . Before I sell of the IRS v I do want to hear how the amp sounds with them one last time. As of now I use aragons in balance mode .
      analog stuff.
      otari mtr 10 2 track 1/4 made new by soren
      otari mtr 10 2 track 1/4 1/2 combo made new by soren
      sota sapphire used eminent tech ver 2 arm
      new sota nova table has magnetic levitation platter and full speed control and latest motor same arm as above
      thorens td124 sme ver 2 arm
      thorens td125 sme ver 2 arm
      kenwood direct drive sme ver 2 arm
      phono preamp Ml no 25 all re capped
      speakers cust infinity IRS V , new caps and LPS , magnets etc.
      mark levivson pre no 26 amps no 33
      digital three cust servers , win ser 2016 , AO
      Dacs lampi various

      Comment


      • #4
        Originally posted by Alrainbow View Post
        Wow your pretty good at this. In the past I built a few things. David Hafler kits. His preamp , his Amps dh500 and a dh 220. The preamp I do not remember the model. I still,have them all and they work . Cross overs fr some speakers , even used O scope to find the best point of cross over
        no at this age I am done with that. I fly rc helicopters so they always need something , very critical stuff a major pain really. I envy those who enjoy doing it. As I never did or do now. My plan now is sell,of everything by end of year and just keep one set of headphones . Before I sell of the IRS v I do want to hear how the amp sounds with them one last time. As of now I use aragons in balance mode .
        I had a Hafler DH220 power amp for about 15 years that I built as a kit. Served me well until I finally sold it on ebay about 15 years ago.
        Magnepan 1.6 QR Loudspeakers, Amherst A-2000 MOSFET 150 WPC Amp, Conrad Johnson PV-10A Modded Tube Line & Phono Stage, Electrocompaniet MC II Class A Head Amp, Audio Technica AT-OC9XML Cart (Stereo) , Graham Engineering 2.2 Tonearm (Stereo) , VPI Aries-1 Turntable (Stereo) , VPI Clamp, Denon DL-102 Cart, (Mono) , Luxman Tonearm (Mono) , Kenwood KD-500 Turntable (Mono) , Michell Clamp, Marantz 20B Analog FM Tuner, Pioneer SACD, Onkyo DX-6800 CD Transport, DIY 24B/192K DAC, Sennheiser HD-650 Headphones, Headroom Max Balanced Headphone Amp, DIY Silver Interconnects

        Comment


        • #5
          Hahhahaa. Good stuff for times right. From way I have read the dh220 had a better sound than the dh500. I used the dh500 for the low end on my rs1B for years.
          analog stuff.
          otari mtr 10 2 track 1/4 made new by soren
          otari mtr 10 2 track 1/4 1/2 combo made new by soren
          sota sapphire used eminent tech ver 2 arm
          new sota nova table has magnetic levitation platter and full speed control and latest motor same arm as above
          thorens td124 sme ver 2 arm
          thorens td125 sme ver 2 arm
          kenwood direct drive sme ver 2 arm
          phono preamp Ml no 25 all re capped
          speakers cust infinity IRS V , new caps and LPS , magnets etc.
          mark levivson pre no 26 amps no 33
          digital three cust servers , win ser 2016 , AO
          Dacs lampi various

          Comment


          • #6
            I changed the power cord on my IA. Mind you, it was plug 'n Play, but I did it myself!
            Dynavector DV20x2L MC cartridge - Genesis G7.1f speakers - Marantz Reference PM-KI-Pearl Int. Amp. - Oracle Audio Paris MkV turntable - Various Morrow & Valab/King cables

            Comment


            • #7
              all my wire was purchased in bulk and hand terminated or manufactured by me for the last 30+ yrs. I've had custom speaker and Turntable/equipment racks/stands designed by me and fabricated by vendors I used to do business with in another work life. I killed off the modding bug very early on and remain ambivalent to the concept. Many moons ago I was involved in building a new commercial speaker/crossover system but i wasn't the brains behind it nor could I suggest I'm a designer. I've built a number of amps from kits, one was kit #2 from Dennis Had, a 300B based SET amp I later sold to great Walt Bender of Audiomart fame.
              Last edited by Rob; 06-25-2016, 08:25 PM.

              Comment


              • #8
                Originally posted by Alrainbow View Post
                Hahhahaa. Good stuff for times right. From way I have read the dh220 had a better sound than the dh500. I used the dh500 for the low end on my rs1B for years.
                Don't know about differences in sound quality, but I always wanted a DH500 but was turned off by the fact that it used a fan to cool the heat sinks when driven hard.
                Magnepan 1.6 QR Loudspeakers, Amherst A-2000 MOSFET 150 WPC Amp, Conrad Johnson PV-10A Modded Tube Line & Phono Stage, Electrocompaniet MC II Class A Head Amp, Audio Technica AT-OC9XML Cart (Stereo) , Graham Engineering 2.2 Tonearm (Stereo) , VPI Aries-1 Turntable (Stereo) , VPI Clamp, Denon DL-102 Cart, (Mono) , Luxman Tonearm (Mono) , Kenwood KD-500 Turntable (Mono) , Michell Clamp, Marantz 20B Analog FM Tuner, Pioneer SACD, Onkyo DX-6800 CD Transport, DIY 24B/192K DAC, Sennheiser HD-650 Headphones, Headroom Max Balanced Headphone Amp, DIY Silver Interconnects

                Comment


                • Guest's Avatar
                  Guest commented
                  Editing a comment
                  I traded in my Bose 901s for Maggies and the DH500 kit. Got so excited about it that I finished one channel first to hear what I made. Was kinda glad it had that fan.

              • #9
                Well it's does and yes my fan jamed and it over heated and shut down. A little wd40 and it's fine. It's a small heat sink inside just a small square with all of the output transistors on it. Not sure if there are mosfets or what kind
                plus or minus or both. Funny how we both had them
                analog stuff.
                otari mtr 10 2 track 1/4 made new by soren
                otari mtr 10 2 track 1/4 1/2 combo made new by soren
                sota sapphire used eminent tech ver 2 arm
                new sota nova table has magnetic levitation platter and full speed control and latest motor same arm as above
                thorens td124 sme ver 2 arm
                thorens td125 sme ver 2 arm
                kenwood direct drive sme ver 2 arm
                phono preamp Ml no 25 all re capped
                speakers cust infinity IRS V , new caps and LPS , magnets etc.
                mark levivson pre no 26 amps no 33
                digital three cust servers , win ser 2016 , AO
                Dacs lampi various

                Comment


                • #10
                  I don't have time for nearly as much for DIY as I used to but I still have quite a bit of DIY equipment in the house from the days when I had more time. Modding gear is pretty easy and I still have time for that but I don't build much from scratch now, which I used to do quite often. These days, life outside of audio makes it harder for me to have time for DIY. Writing all this down makes me realize that it might be time to thin the herd and move some of this stuff out.

                  In any case, I have a 2 or 3 systems in different parts of the house, each with a bit of DIY. Here's what's in the current rotation.

                  Main System

                  DIY stuff
                  Turntable: DIY based on parts from Scheu turntables in Germany
                  Phono: DIY version of Pass X-ONO; homebrew step up based on SB TX103 transformers
                  Preamps: modded Conrad Johnson Premier 14 (details upon request)
                  Interconnects: DIY
                  Power cords: DIY
                  Digital: modded Squeezebox and TEAC VRDS T1 transport; home built DAC based on PCM63 chip

                  non-DIY stuff
                  Amplifier: First Watt F7
                  Speakers: Horning Eufrodite
                  Speaker wire: Auditorium A23


                  Casual listening system in family room

                  DIY
                  no turntable
                  Tuner: modded Sansui TU9900
                  Preamp: modded Threshold FET 10/hl
                  Amp: Sun VT-25 built from kit
                  Digital: modded Squeezebox and home built DAC based on ESS 9023
                  Cables: mostly homebrew

                  non-DIY stuff
                  Speakers: Reference 3A mm de Capo i


                  Other DIY stuff in the house

                  restored Harman Kardon Citation II; restored Fisher integrated tube amp; restored Scott integrated tube amp
                  DIY TVC preamp
                  a few different homebrew speakers
                  modded NYAL Super It phono stage
                  quite a few different modded FM tuners

                  I'm sure I'm forgetting something but this gives some flavor for what I've done over the years.
                  ---Gary
                  Analog: Scheu + Immedia RPM tonearm + Koetsu Black + Pass Xono or Threshold FET 10pe
                  Amps: First Watt F7, HK Citation II
                  Pre-Amps: CJ Premier 14, Threshold FET 10e, DIY 417a with output transformer
                  Speakers: Horning Eufrodite, Reference 3A mm de capo
                  Tuners: Sansui TU9900, McIntosh MR78
                  Digital: i7 Server (Roon) + SSD, Sonore urendu + Mutec MC3+ USB + Berkeley Alpha Dac, Audiomeca Mephisto
                  Power: Audience AR12, Torus Tot, DIY filters

                  Comment


                  • #11
                    [ATTACH=CONFIG]n19769[/ATTACH] My current diy...amp stands for my Lamm LP1 power supplies. Adding the spikes using 3/8" thread inserts into the wood . The Track audio spikes (8) are $130.00 and the two 20"x16"x2" laminated maple cutting he's were $220.00 for both of the. The spikes aren't installed yet in the picture.
                    Attached Files
                    Last edited by rockitman; 06-26-2016, 10:55 AM.
                    Christian
                    System Gear

                    Comment


                    • #12
                      I'm probably not your typical hi-end audiophile. I started doing modifications and building a kit or two back in the 70s. Audio Amateur, Speaker Builder, International Audio Review, and more recently, diyAudio have been my inspirations. Earliest projects included a complete rebuild of a Phase Linear 400 amp, a Hafler DH-100 preamp kit, and Pooge modifications to a Hafler DH 200 amp. My approach has been to buy fairly expensive, high-quality equipment that sounds great, and upgrade it with the best parts available regardless of cost.

                      Current components with major parts upgrades include a Pass Labs Xono & 3 way crossover, a Sansui TU 717 tuner, a VPI turntable bearing assembly, 2 totally custom built tube/ss hybrid power amps, and a pair of completely rewired Magnepan 3.6 speakers with a custom Duelund Cast external passive crossover (tweeter/midrange).

                      I do much less solder slinging now than I used to, mostly relying on others, considering the complexity of the work, lack of schematics in some cases, and risk of messing up pretty expensive equipment.



                      Last edited by Barry; 12-06-2017, 05:15 PM.

                      Comment


                      • #13
                        I put together a bucket sub (Ed Schilling design). I own some diy gear built or modified by others: modified Sony PlayStation 1, TPA3110 based amp, DiyTube St-35, scratch build Darling 1626, Belden 8402 based ICs. I find DIYers to be some of the nicest 'philes.

                        Comment


                        • #14
                          Does a diy caps count ?
                          analog stuff.
                          otari mtr 10 2 track 1/4 made new by soren
                          otari mtr 10 2 track 1/4 1/2 combo made new by soren
                          sota sapphire used eminent tech ver 2 arm
                          new sota nova table has magnetic levitation platter and full speed control and latest motor same arm as above
                          thorens td124 sme ver 2 arm
                          thorens td125 sme ver 2 arm
                          kenwood direct drive sme ver 2 arm
                          phono preamp Ml no 25 all re capped
                          speakers cust infinity IRS V , new caps and LPS , magnets etc.
                          mark levivson pre no 26 amps no 33
                          digital three cust servers , win ser 2016 , AO
                          Dacs lampi various

                          Comment


                          • JCOConnell
                            JCOConnell commented
                            Editing a comment
                            you mean changing caps in other products?, yes.

                        • #15
                          Lol my wrigthing really is third world.
                          Although I have replaced caps as you posted. I meant a computer server for digital music
                          analog stuff.
                          otari mtr 10 2 track 1/4 made new by soren
                          otari mtr 10 2 track 1/4 1/2 combo made new by soren
                          sota sapphire used eminent tech ver 2 arm
                          new sota nova table has magnetic levitation platter and full speed control and latest motor same arm as above
                          thorens td124 sme ver 2 arm
                          thorens td125 sme ver 2 arm
                          kenwood direct drive sme ver 2 arm
                          phono preamp Ml no 25 all re capped
                          speakers cust infinity IRS V , new caps and LPS , magnets etc.
                          mark levivson pre no 26 amps no 33
                          digital three cust servers , win ser 2016 , AO
                          Dacs lampi various

                          Comment

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