Have a clean Dentron Clipperton-L amp for sale. It's a GG linear using four 572-B triodes and runs about 1200-W. Runs from either 120-Vac or 220-Vac. Covers 160/80/40/20/15/10. Very clean. Works well. Includes schematic; no manual. $450+shipping. JPEGs available. Vy 73, AI2Q, Alex in Maine http://users.adelphia.net/~alexmm/ai2q.htm