It's not the amp, but the cost of the tube. When I bought an AL-1500 in 1998, it was $2400 with an Eimac 8877. Medical pulls could be had for $300. Now? $4200 for a new tube!Rich HAM ???????
Try a new Ameritron AL-1200 or AL-1500 amplifier.
These tube amplifiers have been around for years.