J.B, Go to: http://www.wireless.org.uk/gallery/gallerlf.htm Scroll down to the picture LX1PD's tube amplifier and click on the picture, you will be able to get the schematic etc in zipped form. 73 Warren K2ORS WD2XGJ WD2XSH/23 WE2XEB/2 WE2XGR/1