Complementary Feedback Pair Instability

I quickly soldered together a CFP output stage with the power transistors and I intend to use for my final … More

Best Thing at CES is…

This is the first year that I spent four days and walked the entire area of the convention. I thought … More

This post is probably of interest only to audiophiles. I have found the best vacuum tube amplifier ever made. Audio … More

For those of you that don’t know how current 3D TVs work, it’s a fairly basic principle. The TV has … More

Glassless 3D seems promising. The technology is still in its infancy though. Sony had a really cool OLED glassless 3D … More

Today I saw International Rectifier in the high end audio section of CES. I thought to myself, “What’s a billion … More

So my last show report was considered too long for a blog post. So I’ll divide this up. Yesterday I … More

The – 3dB points are 13hz and 388Khz. While the passband may look smooth, there was a huge peak just … More

This is an FFT at 20hz. This indicates low frequency performance. It can be misleading though because most of this … More

The last post isn’t very meaningful. That’s because we can’t hear past 20 khz. However it’s a good indication of … More