Do It Yourself

736 topics in this forum

1. Old Dynalo power supply

   By Brannigan, July 10, 2015
   • 2 replies
   • 1.9k views
   • 
   • Brannigan
   • July 10, 2015

2. Online guides to some audio science ?

   By Spiug31, March 26, 2008
   • 4 replies
   • 1.6k views
   • 
   • Spiug31
   • March 31, 2008

3. Opinions on the Pass D1 "clone"?

   By fierce_freak, July 4, 2008
   • 12 replies
   • 5.1k views
   • 
   • Augsburger
   • August 17, 2008

4. Options for DIY USB DACs?

   By Nanoha, August 5, 2006
   • 5 replies
   • 5.6k views
   • 
   • Nanoha
   • August 16, 2006

5. Oscilloscope question... 1 2

   By Pars, February 22, 2019
   • 31 replies
   • 7.4k views
   • 
   • jamesmking
   • January 4, 2022

6. Oscilloscopes 1 2 3

   By mypasswordis, October 9, 2010
   • 59 replies
   • 25.5k views
   • 
   • luvdunhill
   • February 27, 2013

7. Other tubes in KG's Blue Hawaii... 1 2

   By luvdunhill, December 4, 2007
   • 33 replies
   • 10.4k views
   • 
   • luvdunhill
   • February 19, 2008

8. Output Capacitor Sizing

   By luvdunhill, July 18, 2008
   • 1 reply
   • 1.4k views
   • 
   • Pars
   • July 18, 2008

9. Output stage and SE->Bal implementation

   By Pars, January 15, 2011
   • 10 replies
   • 8.1k views
   • 
   • dsavitsk
   • January 18, 2011

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

    By JimL, April 7, 2015
    • 27 replies
    • 15.2k views
    • 
    • bobkatz
    • August 3, 2023

11. Panasonic FR caps?

    By Pars, October 26, 2011
    • 3 replies
    • 4.9k views
    • 
    • Pars
    • October 27, 2011

12. Parallel JFET Question

    By luvdunhill, June 11, 2009
    • 0 replies
    • 1.7k views
    • 
    • luvdunhill
    • June 11, 2009

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

    By mrjayviper, October 18, 2023
    • 2 replies
    • 1.5k views
    • 
    • Craig Sawyers
    • October 18, 2023

14. PartsConnexion Shopping Cart?

    By dsavitsk, June 12, 2009
    • 4 replies
    • 1.6k views
    • 
    • Smeggy
    • June 14, 2009

15. Pass Electrostatic Headphone Amplifier

    By johnwmclean, December 27, 2013
    • 6 replies
    • 5k views
    • 
    • spritzer
    • January 7, 2014

16. Pass Pearl PCBs and related parts 1 2 3 4 17

    By luvdunhill, July 7, 2008
    • 401 replies
    • 64.7k views
    • 
    • luvdunhill
    • January 17, 2010

17. Pass Pearl trouble shooting

    By deepak, January 9, 2014
    • 12 replies
    • 5k views
    • 
    • luvdunhill
    • January 26, 2014

18. PC Board for Amveco PC mount low profile toroidial transformers 1 2

    By sbelyo, October 11, 2020
    • 29 replies
    • 7.2k views
    • 
    • sbelyo
    • December 17, 2020

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

    By Pars, December 24, 2020
    • 12 replies
    • 5k views
    • 
    • Pars
    • March 14, 2023

20. pcb mounted sockets

    By crappyjones123, November 25, 2010
    • 5 replies
    • 2.5k views
    • 
    • holland
    • November 26, 2010

21. Perforated metal sheets?

    By yuujin, November 20, 2007
    • 7 replies
    • 2.9k views
    • 
    • kevin gilmore
    • November 21, 2007

22. Photo diary of Sony ECR-500 woody. Not for slow connection. 1 2

    By Smeggy, May 5, 2008
    • 37 replies
    • 11.9k views
    • 
    • Smeggy
    • May 18, 2008

23. pioneer a09 clone zero feedback output buffer

    By kevin gilmore, December 13, 2025
    • 6 replies
    • 1.5k views
    • 
    • jokerman777
    • December 26, 2025

24. plate voltages

    By Smeggy, October 25, 2009
    • 10 replies
    • 2.2k views
    • 
    • Smeggy
    • October 25, 2009

25. Please help me diagnose a problem

    By humanflyz, May 20, 2009
    • 15 replies
    • 2.8k views
    • 
    • laxx
    • May 22, 2009