top of page

Sony VFET Push-Pull Amplifier

Designed by Nelson Pass. Output stage uses a single pair VFETs operating in push-pull Class A mode. 15W (for 8 Ohm speakers), 20W (for 4 Ohm speakers). 47 kOhm input, 0.18 Ohm output impedance. More details on First Watt website.

Please refresh the page if you see "This video is unavailable" above.

PART 1 MEASURES

PART 2 MEASURES

PART 3 MEASURES

FINAL MEASURES

NOTES

  • Sony VFET kit from diyAudio Store

  • Matched Toshiba JFETs from FET Audio

  • Toshiba 2SK2013/2SJ313 MOSFETs from NicMac

Last update: 11.06.2023.

bottom of page