Do It Yourself

736 topics in this forum

1. Transformer phase / no phase marking

   By sorenb, April 12, 2016
   • 7 replies
   • 2.9k views
   • 
   • Pars
   • November 23, 2016

2. Transformer Question: Using 220 taps in the US

   By luvdunhill, October 21, 2008
   • 19 replies
   • 3.2k views
   • 
   • aerius
   • October 22, 2008

3. Transformer-Coupled Balanced Output for Solid-State Preamps

   By sbelyo, March 5, 2022
   • 7 replies
   • 1.9k views
   • 
   • audiostar
   • April 19, 2022

4. Transistor Recommendations

   By luvdunhill, July 7, 2009
   • 1 reply
   • 1.2k views
   • 
   • cetoole
   • July 7, 2009

5. Tribute Inductive Volume Control and other TVCs 1 2 3

   By luvdunhill, August 28, 2008
   • 50 replies
   • 20.5k views
   • 
   • deepak
   • April 15, 2010

6. Troubleshooting a Sonic Frontiers SFC 1 Integrated Tube Amp.

   By MASantos, February 21, 2010
   • 8 replies
   • 6.5k views
   • 
   • spritzer
   • February 22, 2010

7. TTL Converter

   By luvdunhill, January 2, 2010
   • 11 replies
   • 7.3k views
   • 
   • luvdunhill
   • January 18, 2010

8. Tube amp builders...aerius, n_maher?

   By justin, December 14, 2007
   • 8 replies
   • 2.3k views
   • 
   • JBLoudG20
   • December 14, 2007

9. Tube preamp suggestions? 1 2

   By deepak, February 7, 2012
   • 27 replies
   • 12k views
   • 
   • MASantos
   • February 9, 2012

10. Tube testing/testers for Stax amps

    By Earspeakers, March 14, 2015
    • 16 replies
    • 5k views
    • 
    • Earspeakers
    • March 18, 2015

11. tweaking caps / resistors in a zobel network ?

    By Spiug31, June 17, 2010
    • 3 replies
    • 3.3k views
    • 
    • Spiug31
    • June 17, 2010

12. Twist AC and DC power hookup wires or not

    By sbelyo, July 22, 2013
    • 2 replies
    • 2.6k views
    • 
    • sbelyo
    • July 23, 2013

13. Twisted Pear Buffalo DAC 1 2 3 4 6

    By thrice, November 7, 2008
    • 148 replies
    • 30.7k views
    • 
    • swt61
    • February 5, 2010

14. twisting wire

    By Spiug31, May 1, 2008
    • 0 replies
    • 1.4k views
    • 
    • Spiug31
    • May 1, 2008

15. Two new amps: Pass F5 and GR-25

    By luvdunhill, April 16, 2008
    • 3 replies
    • 3.1k views
    • 
    • luvdunhill
    • May 14, 2009

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

    By kevin gilmore, November 12, 2017
    • 65 replies
    • 16.7k views
    • 
    • Satyrnine
    • January 20, 2024

17. ungar 9900 soldering system

    By crappyjones123, September 24, 2009
    • 2 replies
    • 3.7k views
    • 
    • crappyjones123
    • September 24, 2009

18. Universal output HP amp with custom Lundahl transformers

    By justin, August 3, 2024
    • 3 replies
    • 1.9k views
    • 
    • dsavitsk
    • August 3, 2024

19. Universal Signal Isolator shield for the Arduino DUE

    By sbelyo, May 28, 2019
    • 0 replies
    • 1.5k views
    • 
    • sbelyo
    • May 28, 2019

20. Universal upgrade board for Stax SRD energizers

    By ericj, January 29, 2025
    • 5 replies
    • 2.7k views
    • 
    • ericj
    • April 12, 2025

21. Unregulated Power PCB 1 2

    By luvdunhill, September 5, 2010
    • 40 replies
    • 11.4k views
    • 
    • Beefy
    • May 5, 2011

22. update transistor amplifier V3.0 to V4.0 from www.high-amp.de

    By high-amp, November 7, 2011
    • 6 replies
    • 5.9k views
    • 
    • high-amp
    • November 8, 2011

23. usb amp dac special 1 2 3

    By NotoriousBIG_PJ, July 23, 2009
    • 65 replies
    • 11.5k views
    • 
    • swt61
    • July 27, 2009

24. usb headphone problem

    By YanA7BC, December 26, 2011
    • 4 replies
    • 3k views
    • 
    • livewire
    • December 26, 2011

25. Using 2 Epsilon 27 boards for ALPS quad pot 1 2

    By sbelyo, November 17, 2013
    • 27 replies
    • 9.6k views
    • 
    • sbelyo
    • March 12, 2014