John Graham wrote: > The power output amps for radars and microwave transmitters for the > military are all tubes. As well as for the power plants. Just too much current for the solid state to handle. The *underwear* Co that I work for still makes them. They_are_huge suckers! -- Igor Kessel '89 200TQ - 18psi (TAP) '98 A4TQ - on order...again. For the third time and counting. Philadelphia, PA USA