Show tubes power handlers not power producers power tubes are power handlers not power producers ns as anany think it if itself a power tube tuba will not pro due more volume than a tube its design permits it to handle grauter volume without distortion most blest receiving sets are capable of delivering more volume to tile the last audio tube than anif be handled willij alt out distortion by bv the itte usual types type of amplifying TO Is wh where ereth the power tube isad la tied I 1 9 din d in tn t ih alst audo only whre I 1 K it rin can ra receive c elv jlii the alja 1 taha Vi Liller stages of ahe he act lot and p palt ait on am ul but undistorted t to tha loud sp speaker al I 1 T tra ki e i t characteristics of power tube sare 1 are quite bilte different from wok of f tiie aie c cu tomary amplify amplifying in tubes power tubes con consume sunie more B battery current and they require gryttr voltage olt the wrong C U bat batterby voltage rob the he power tube of its ablutz to canille greater without wit ioui TC re buffing bu lulng in little it any be bet e t ter than ordinary tubes in addition if tho the C battery voltage li la too lowr low the H B current consumed by the tube Is multiplied many fold which rapidly exhausts the D B battery merely substituting sti a power tube for some other tube in thelast the last audio stage of a receiver will not bring abbat any aay noticeable fisit in ili reception provision ll must niu t he be made in the hie wiring of thy the set to allow Pla placing effig the current value alne of voltage on the gril grid of tu the power power tube ali p newest power tubes are CX antua these tubes can be operated I 1 on B battery voltages 1 of DO 90 or ISO volts the amount of of undistorted power thase tubes can handle when working at volts of ba B battery Js s in most case cacs more thail can comfortably be used in the ho average home it 1 it only when unusual volume Is desired such as to enable crowd to dance in a large hall apat that the extreme voltage of 1 volts vor or home use volts of B battery Is ample for the lubes I 1 birba B bat tery voltage Is IB 15 abts ahe 1101 C battery voltage should be sa 7 volts A new 22 lt 0 y has been introduced loy by ione inne of the largest manufacturers and when connected in series with it 42 olt C battery batter the combination will deliver the 7 volts re qui redby hy these alies u lin operating at volts volta of B battery the cilia fo power ier baidin bai diW W t awer awer tubes Is by bl tile th eSQ au bal baj battery tery and of this they should never be op lopate ate I 1 fromi light duty U B batteries use the heavy beavy duty size of good reliable hini hinie e and be sure cure to use tl ti correct C battery voltage |