Do It Yourself

725 topics in this forum

1. unbalanced/balanced to balanced tube input 1 2 3

   By kevin gilmore, November 12, 2017
   • 65 replies
   • 11.4k views
   • 
   • Satyrnine
   • January 20

2. Kerry Design mini GRHV\GRLV and JoaMat mini T2 Group Buy 1 2 3 4 17

   By mwl168, March 14, 2019
   • 421 replies
   • 75.7k views
   • 
   • mwl168
   • January 7

3. Anybody here use tinkercad or can design in 3d? I just ordered a 3d printer

   By sbelyo, November 30, 2023
   • 3 replies
   • 1.1k views
   • 
   • chinsettawong
   • December 5, 2023

4. Kerry Design PSU Build Thread

   By mwl168, May 25, 2020   

   • gr78
   • gr79
   • (and 1 more)

     Tagged with:

     • gr78
     • gr79
     • grhv
   • 7 replies
   • 3.6k views
   • 
   • audiostar
   • October 21, 2023

5. paralleling 2 mechanical relay for a more "robust" relay? (speaker protection device)

   By mrjayviper, October 18, 2023
   • 2 replies
   • 973 views
   • 
   • Craig Sawyers
   • October 18, 2023

6. Do I need volume control on preamp/headamp if my DAC already has one?

   By mrjayviper, September 24, 2023
   • 3 replies
   • 1.1k views
   • 
   • Dusty Chalk
   • September 26, 2023

7. Building an energizer almost from scratch - advice on clamping zeners 1 2

   By bobkatz, July 29, 2023
   • 28 replies
   • 2.6k views
   • 
   • bobkatz
   • August 11, 2023

8. Output Stage Current Requirements for Electrostatic Headphone Amps 1 2

   By JimL, April 7, 2015
   • 27 replies
   • 10.6k views
   • 
   • bobkatz
   • August 3, 2023

9. MUSES 72320, anyone tried?

   By mtoc, November 18, 2016
   • 3 replies
   • 2.1k views
   • 
   • bobkatz
   • July 31, 2023

10. Building a passive energizer from scratch --- to ground or float the bias supply?

    By bobkatz, July 30, 2023
    • 3 replies
    • 721 views
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    • bobkatz
    • July 31, 2023

11. Group Build: Dynafet 1 2 3 4 57

    By luvdunhill, February 1, 2009
    • 1.4k replies
    • 200.1k views
    • 
    • Pars
    • July 25, 2023

12. stax mafia electrostatic portable 1 2 3 4 6

    By kevin gilmore, February 27, 2021
    • 128 replies
    • 27.2k views
    • 
    • DaveLTX
    • June 7, 2023

13. i'm on a roll... the kgsshv 1 2 3 4 218

    By kevin gilmore, May 20, 2010
    • 5.4k replies
    • 922.8k views
    • 
    • jokerman777
    • May 7, 2023

14. Soekris discrete R2R DAC? 1 2 3 4

    By UFN, February 1, 2015
    • 85 replies
    • 40.6k views
    • 
    • bbest
    • April 27, 2023

15. DIY electrostatic headphones

    By spritzer, March 20, 2023
    • 5 replies
    • 2.1k views
    • 
    • Guest
    • April 17, 2023

16. stax t8000 clone (well sorta) 1 2 3 4 11

    By kevin gilmore, May 12, 2017
    • 261 replies
    • 60.3k views
    • 
    • JoaMat
    • April 9, 2023

17. Yes, no, may be? Who remembers this?

    By justin, April 3, 2023
    • 11 replies
    • 1.5k views
    • 
    • justin
    • April 9, 2023

18. dead power supply on apogee ensemble

    By grawk, January 6, 2018
    • 19 replies
    • 6.8k views
    • 
    • Boomish
    • March 24, 2023

19. KG Balanced Dynahi build discussion thread 1 2 3 4 41

    By Vortex, September 10, 2011
    • 1k replies
    • 227.7k views
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    • penmarker
    • March 24, 2023

20. Melos SHA Gold schematics

    By Pars, February 29, 2020
    • 6 replies
    • 3.6k views
    • 
    • swt61
    • March 15, 2023

21. PC board for RCA/XLR SE<->balanced switching?

    By Pars, December 24, 2020
    • 12 replies
    • 3.5k views
    • 
    • Pars
    • March 14, 2023

22. TKD 4CP-601 & 4CP-2500 4-gang volume pot and PCB GB 1 2 3 4 10

    By mwl168, August 11, 2016
    • 249 replies
    • 44k views
    • 
    • Pars
    • February 26, 2023

23. KG CFA3, Golden Ref LV, or headphone protector boards available?

    By Satyrnine, February 23, 2023
    • 0 replies
    • 642 views
    • 
    • Satyrnine
    • February 23, 2023

24. Dynahi Build Resources in 2023?

    By Satyrnine, February 16, 2023
    • 7 replies
    • 2.1k views
    • 
    • Satyrnine
    • February 17, 2023

25. Could someone help me find out if these 2SK369V are real?

    By sbelyo, March 6, 2017
    • 3 replies
    • 1.7k views
    • 
    • mlloyd1
    • January 23, 2023