> This is at the expense of tube life. If the tube is run at 7.5 volts it > will do just fine in modulator or rf power amp service, and will last much > longer. Essentially, Eimac said run a 450T's filament voltage up, and it > will deliver incredible peak power while it lasts, but will have a short > life.
Was it you, Don, who also said (at one time) that running too little of voltage on filaments can have the same undesireable effect on tube life? 73 = Best Regards, -Geoff/W5OMR
