T100 Single Ended Stereo Amplifier


T100 Single Ended Stereo Amplifier.

T100 Single Ended Stereo Amplifier

T100 Single Ended Stereo Amplifier

T100 load line for 5k plate load. Voltage swing is 400Vp that should give 15W rms into the load.

T100 Ia/Va
10kHz square wave response:
10kHz Square wave response

Distortion at 12W. ~1% 2nd harmonic, falling pattern.
Distortion pattern

15-Feb-2010:
T100 with reverse feedback from 16 ohm tapping of output transformer back to the interstage transformer. 
Feedback calculations are similar to cathode feedback.
The T100 grid resistor is reduced to 39R to provide possibilities to enter class A2.

T100 reverse feedback


  • Transformers by Sowter UK and Hashimoto JP

  • Tubes and other stuff from Demostenes NO, ELFA NO, Partsconnexion CA

  • Overall design by: Jan Erling Veiset.
  • Worklog: http://www.hifisentralen.no/forum/index.php/topic,12488.0.html

    (c) Jan Erling Veiset, 27-OCT-2007 - E-mail: valhalla[at]mikke-mus.com
    Akersora 2
    N-6600 Sunndalsora
    Norway