6AU6

6AU6 ETC1

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Electrical: Heater, for Unipotential Cathode: >_ Direct Interelectrode Capacitances: Without With External External Shield Shield® Pentode Connection: _ Grid No.1 to cathode, grid No.3 & internal shield, grid No.2, Plate to cathode, grid No.3 & internal shield, grid No.2, and heater . 5 5 put Triode Connection:® Grid No.1 to plate, grid No.3 & internal shield, and grid No.2 . 2.6 2.6 put Grid No.1 to cathode and Plate, grid No.3 & internal shield, and grid No.2 to cathode Characteristics, Class A Amplifier: Pentode Connection Grid No.3 & Internal Shield . . .Connected to cathode at socket Grid-No.1 Voltage (Approx. ) Triode Connection Transconductance. » 2... ee ee ee 4800 ymhos Indicates a change. nen annnennnih aie a RADIO CORPORATION OF AMERICA OaTA | Electron Tube Division Harrison, W. J. 8-60

Mechanical: Operating Position... eee ee AMY Maximum Seated Length... 6. ee ee ee ee eee 147/8" Length, Base Seat to Bulb Top (Excluding tip) . 1-1/2" + 3/32" Diameter... 6 ee ee ee ee ee ee» 60,650" to 0.750" . ORC) . Pin 1-Grid No.1 Pin 4-Heater Pin 2-Grid No.3, og (©) Pin 5-Plate Internal (\\ Pin 6-Grid No.2 Shield 6, AV7® Pin 7 -Cathode Pin 3-Heater 0) ~ AMPLIFIER — Class Aj Maximum Ratings, Design-Maximum Values: Triode Pentode Connection® Connection GRID No.3 (SUPPRESSOR GRID) . - Connect to cathode at socket GRID-No.2 (SCREEN-GRID} SUPPLY VOLTAGE. - - + ees - 330 max. volts GRID-No.2 VOLTAGE. . +--+ - See Grid-No.2 Input Rating Chart at front of Receiving Tube Section GRID-No.1 (CONTROL-GRID) VOLTAGE: GRID-No.2 INPUT: For grid-No.2 voltages up For grid-No.2 voltages between 165 and 330 volts - See Grid-No.2 Input Rating Chart at front of Receiving Tube Section PEAK HEATER-CATHODE VOLTAGE: Heater negative with respect Heater positive with respect Typical Operation as Resistance-Coupled Amplifier: See RESISTANCE-COUPLED-AMPLIFIER CHART No.8 at front of this Section A with external shield JEDEC No-316 connected to cathode. ~ © Grid wo.3 & internal shield and grid No.2 connected to plate. * the de component must not exceed 100 volts. — Indicates a change. Eee Se RADIO CORPORATION OF AMERICA Electron Tube Division Harrison, N. J.

AVERAGE PLATE CHARACTERISTICS Pentode Connection GRID N23 & INTERNAL SHIELD CONNECTED specbbesestaccnscssoces| To CATHODE AT SOCKET. Eeieeeeresssssstntitees GRID-N2.2 VOLTS =150 eiiecsessssseserienens ssaseanacss sassesccsssss! Sssssssee iSpst Seesaeeees! scassascs (cesses jSseseee! frst Mmred geeussessss icsssescessecs! SSssseeceeest E5gasscecss: sessaccas isecses issseese; sets ieee)

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EH} PLATE VOLTS =250 iseuetesseasscsraseat FH GRID N23 & INTERNAL SHIELD CONNECTED scsstozssspstssssaee| EB errr OE AT SOCKET. aiuiiinissieet seunecneuscnnss Sasesenesseusssesessneasssseessnss<s' Ssascei 2s ssesses Sauna Guaeussses Sosscasessscges sssesseeeecess sees shy cesesgt <a: seeerces Suey oeseussatatuatstatsstssasistadscsstasaenati’¢ ofstnata’ stuttatas 3 EERE EES 4000S seguesusscsscessseasscscceseescccescnseccnccssr 7s" crssszsess geestescr 4 5 ISSuussSuecczsss saetssersssaad tiesisctast,cs essvseses sressees (sassy 9 sszedsosassscsscesessczad sesaesuetassastoc’ a2 f0Gz0s0 /2Ssz0His (asteees| 2 Senne sesesansessucesselessnsssseseassses’ seescanccs! sussssess Sssssse3| roy eeaeeauacssecsssscsscssccscccsscssccsecs sccce cece: sesssesses jseessees b4 lSsuevassssesatasaazssesstsasadsozszieee’ ststzarets’ getstzata/ geuttetas 2 eeesausestvazasaszstessttasaszararsee’ {stsezarate évesateees'setttasae z GARID-N2! VOLTS 92CM-66/4R2 EE eee RADIO CORPORATION OF AMERICA Electron Tube Division Harrison, N. J.

i AVERAGE PLATE_CHARACTERISTICS _~ Triode Connection Epz03 VOLTS RT ine GRID. N23 & INTERNAL sHieLo AND [HESS GRIDN22 CONNECTED To PLATE. HHH EE aii] — sSuceesscesssnssersssrscerconsseesscessstsses sesscegtat ficet rssseeteegecessezase _ langue teens eeu stans read tasus veaastecsstveetoces tastsstuegseras fasted Ebce feces oeesceecetwecg reezsctnes treet sesteceres rect recersessstreea! bd Sess seenscceesscces scene Secusseeusteset ees. sessessses: lh ‘es sees, Ses ta —-4 SSEEEESaSs asus Ersuesesssee-,scetesssnssssceessete. ceaterssetevesees t= 8 -@EZ) sccnssessccsess sasessesessseescosestn Csssessssesesescca seessess ‘seee] g issues paszafzees aes sess: sasser rosa vans "Seat fetes fstaetactasza i cs 7 a Sseueseeeeseessscecsi~.-sseensseceteceasessesse es seantasseses. es saee a] Pa Sueussusussesessecesecesee ces sesessassesseseseess cease scesauash\\saene} a aaa taezasaetasscstesssstasesscescersetassed fessetas ‘eeeret seta? c2tt a i % 3 PLATE MILLIAMPERES 92CM~-6854 ——— eee RADIO CORPORATION OF AMERICA DATA 4 Electron Tube Division Harrison, N. J. 8-60