Do It Yourself

736 topics in this forum

1. Dimensioned Drawings of Connectors

   By willsw, September 12, 2025
   • 4 replies
   • 5.4k views
   • 
   • willsw
   • September 24, 2025

2. Metalaluzes poly propolin caps

   By alrainbow, September 20, 2025
   • 0 replies
   • 1.5k views
   • 
   • alrainbow
   • September 20, 2025

3. What are these

   By alrainbow, September 20, 2025
   • 2 replies
   • 2.5k views
   • 
   • alrainbow
   • September 20, 2025

4. goldenreference high voltage power supply (GRHV) 1 2 3 4 7

   By Pars, September 18, 2020
   • 150 replies
   • 56.7k views
   • 
   • jamesmking
   • August 22, 2025

5. grounded grid 1 2 3 4 16

   By kevin gilmore, December 26, 2015
   • 386 replies
   • 135k views
   • 
   • Shawn
   • August 21, 2025

6. DIY mini T2 Build Thread 1 2 3 4 14

   By mwl168, February 23, 2019   

   • t2
   • 336 replies
   • 115.6k views
   • 
   • JoaMat
   • May 13, 2025

7. DIY Stax self bias conversion? 1 2

   By Arthrimus, October 12, 2015   

   • stax
   • srd-6
   • (and 3 more)

     Tagged with:

     • stax
     • srd-6
     • self bias
     • transformer
     • electrostatic
   • 30 replies
   • 22k views
   • 
   • ericj
   • May 5, 2025

8. kgst 1 2 3 4 59

   By kevin gilmore, October 12, 2013
   • 1.5k replies
   • 434.4k views
   • 
   • spritzer
   • April 30, 2025

9. SRX-Plus Build Thread 1 2 3 4 13

   By Blueman2, December 17, 2015   

   • srx
   • srx-plus
   • 308 replies
   • 98k views
   • 
   • Yasioo666
   • April 26, 2025

10. balanced preamp 2025 1 2

    By kevin gilmore, April 8, 2025
    • 28 replies
    • 9.5k views
    • 
    • kevin gilmore
    • April 25, 2025

11. Blue Hawaii BJT Build thread 1 2 3 4 10

    By joehpj, March 28, 2017
    • 242 replies
    • 85k views
    • 
    • jamesmking
    • April 19, 2025

12. Control Stepper Motor with Raspberry Pi Camera

    By eric25, April 15, 2025
    • 1 reply
    • 1.6k views
    • 
    • grawk
    • April 15, 2025

13. Universal upgrade board for Stax SRD energizers

    By ericj, January 29, 2025
    • 5 replies
    • 3k views
    • 
    • ericj
    • April 12, 2025

14. A new TDA1541A DAC lives in 2025

    By sbelyo, April 2, 2025
    • 4 replies
    • 2.9k views
    • 
    • sbelyo
    • April 3, 2025

15. MUSES 72320, anyone tried?

    By mtoc, November 18, 2016
    • 4 replies
    • 4k views
    • 
    • Peleus
    • February 4, 2025

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

    By bobkatz, July 29, 2023
    • 29 replies
    • 6.5k views
    • 
    • ericj
    • January 28, 2025

17. CNC metal machinists (for Stax amp cases) unite? 1 2 3

    By jamesmking, June 12, 2022
    • 54 replies
    • 13.6k views
    • 
    • Shawn
    • November 28, 2024

18. Group Buy - Digital Attenuator (Kevin Gilmore) 1 2 3 4 9

    By sorenb, July 28, 2015
    • 223 replies
    • 64.5k views
    • 
    • Kerry
    • November 10, 2024

19. goldenreference low voltage power supply 1 2 3 4 33

    By kevin gilmore, July 16, 2015
    • 813 replies
    • 276.9k views
    • 
    • dip16amp
    • September 19, 2024

20. Need ideas for a 8ft x 10ft workshop

    By sbelyo, December 9, 2022
    • 16 replies
    • 5.2k views
    • 
    • sbelyo
    • August 17, 2024

21. Universal output HP amp with custom Lundahl transformers

    By justin, August 3, 2024
    • 3 replies
    • 2k views
    • 
    • dsavitsk
    • August 3, 2024

22. Need help with my KGST

    By meeskees, June 7, 2024
    • 18 replies
    • 4k views
    • 
    • meeskees
    • June 17, 2024

23. eddie current dht filament

    By kevin gilmore, October 3, 2022
    • 4 replies
    • 2.7k views
    • 
    • Skooby
    • January 27, 2024

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

    By kevin gilmore, November 12, 2017
    • 65 replies
    • 18.1k views
    • 
    • Satyrnine
    • January 20, 2024

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

    By mwl168, March 14, 2019
    • 421 replies
    • 109.2k views
    • 
    • mwl168
    • January 7, 2024