Just read through this thread and I have to say that I am intrigued. A ZOTL amplifier seems very appealing and I am surprised it hasn't found more traction, especially in the DIY space, but then again there are lots of people who think silicon and switching are the devil when it comes to audio.
Getting more or less the full power potential out of my tubes without needing big, heavy and expensive transformers seems absolutely excellent to me! Really opens up the possibility to make some wild stuff with esoteric tubes too if the design process isn't too bad. Maybe that's why it's not done much too?
Think I'll be giving this a try in spice come Monday at least!
Getting more or less the full power potential out of my tubes without needing big, heavy and expensive transformers seems absolutely excellent to me! Really opens up the possibility to make some wild stuff with esoteric tubes too if the design process isn't too bad. Maybe that's why it's not done much too?
Think I'll be giving this a try in spice come Monday at least!
It's been a few years, so I'm not sure if anyone is still following this. I've reproduced this model (from the image) and appear to get similar results at the nodes you've plotted, but I've noticed some odd behavior when I probe further. For example, it seems like the lower power source is suppling about double the current of the upper source and the switching waveforms are unusual. It could be an error on my schematic copying though. @savu is it possible that you could upload your LTSpice file and the libraries needed to go with it? I'd like to see why I can't seem to reproduce your results.