Show Interesting Facts You Should Know About SetA Set SetA A five per cent overload of ot filament voltage may cut the life of ot your tubes In half Operating tubes at five per cent be- be below be below low rated filament voltage may dou double le lethe the life of your our tubes Cutting your plate voltage from 00 to 07 saves two milliamperes ot of n B battery current per tube usually without sacrifice of volume or quality and this step In some cases may double the life of your our B n batteries A C batter battery used with a n two two-sta two stage two frequency e frequency audio amplifier ln ha having DO volts plate potential cuts Its current draIn from twelve to four milli- milli milliamperes mill mill- amperes a saving of two thirds Not more than forty five volts should be he used on your our detector tube to secure the greatest reate t volume and the tho b best quality of reproduction The use of 00 DO volts Instead of 45 15 volts trebles the current current- con con- consumption consumption of your our detector tube with with- without without without out Improving ln results In any wa way A ne drawing Cia 50 milliamperes gives gins no better results than a well designed one drawing but butHi Hi 15 milliamperes If the vacuum tube docs does not light It may be caused by hy many other defects de- de defects de defects besides a out burnt tube The TheA A batter battery switch or connections may be open dirty contacts of the rheostat socket or tube tips or the tu tube e may not be he s seated properly In Inthe inthe the socket A vacuum tube regenerative set using only one tube lube will bring In signals sIgnal from flom nearly the lie same distance I as a n set having an nil frequency audio audio amplifier The rhe amplifier serves to in- in increase In Increase crease the lie strength of signals brought brought I le b by the lie detector tube for the pur purpose pose poe of operating a loud speaker or snaking the signals louder In the phones |