Sub-miniature "pencil" tube data,
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1xx# . 2xx# . 3xx# .500's .
6xx# . 1000's . 5000's to,
5800 to, 6000 to, 6500 to, 7000s . 8000s
TUBE SPEC LIST:
Tube...type.. pinout. .heater V&A....cathode res/g1 volts...screen V,ma....plate V,ma...Gm umhos .. plate res ...load
1AC5 . pwr amp pentode 8CP . f: 1.25vDC, 0.04a . -4.5v grid . s: 67.5v, 0.4ma . p: 67.5v, 2ma . gm= 750 . Rp=150k . load=25k, 0.05watts1AD4 . sharp pentode .. 1AD4 . f: 1.25vDC, 0.1a .. Rg=2meg . s: 45v, 0.8ma . p: 45v, 3ma .. gm=2000 .. Rp=500k
1AD5 . sharp pentode .. 8CP .. f: 1.25vDC, 0.04a .. 0v grid .. s: 67.5v, 0.75ma . p: 67.5v, 1.85ma .. gm=735 .. Rp=700k
1AE5 ., heptode mixer . .1AE5 .. f: 1.25vDC, 0.06a .. 0v grid . s: 45v, 2ma . p: 45v, 0.9ma . Rp=200k . conversion transconductance=200
1AG4 power amp pentode 512AX f: 1.25DCv,40ma g=-3.6v s: 41.4v,0.6ma p: 41.4v, 2.4ma zero signal gm=1000 Rp=180k load=12k Pout=35mw
1AG5 diode-pentode 1AG5 f: 1.25v, 30ma g=-2v s:45v, 0.12ma p: 45v, 0.28ma gm=250 Rp=2.5meg
1AH4 RF pentode 1AD4 f: 1.25DCv, 40ma Rg1=5meg s: 45v, 0.2ma p: 45v, 0.75ma gm=750 Rp=1.5meg
1AJ5 diode sharp pentode 1AG5 f: 1.25DCv, 40ma Rg1=5meg s:45v, 0.3ma p: 45v, 1ma gm=425 Rp=300k
1AK4 sharp cut. pentode 1AD4 f: 1.25DCv, 20ma Rg1=5meg s:45v, 0.2ma p: 45v, 0.75ma gm=750 Rp=1.5meg
1AK5 diode sharp pentode 1AG5 f: 1.25DCv, 20ma Rg1=5meg s:45v, 0.2ma p: 45v, 0.5ma gm=280 Rp=400k
1C8 .. pentagrid conv .. 8CN .. f: 1.25vDC, 0.04ma .. 0v grid . s: 67.5v, 1.5ma . p: 67.5v, 1ma .. Rp=400k . conversion transconductance=150
1D3 .. low mu uhf triode .8DN . f: 1.25vDC, 0.3a .. -5v grid . mu=8.7 .. p: 90v, 12.5ma .. gm=3400
1E8 .. pentagrid conv .. 8CN .. f: 1.25vDC, 0.04a .. 0v grid . s: 67.5v, 1.5ma . p: 67.5v, 1ma . Rp=400k . conversion transconductance=150
1Q6 .. diode pentode .. 8CO .. f: 1.25vDC, 0.04a .. 0v grid . s: 67.5v, o.4ma . p: 67.5v, 1.6ma .. gm=600 .. Rp=400k
1S6 .. diode pentode .. 8DA .. f: 1.25vDC, 0.04a .. 0v grid . s: 67.5v, 0.4ma . p: 67.5v, 1.6ma .. gm=600 .. Rp=400k
1T6 .. diode pentode .. 8DA .. f: 1.25vDC, 0.04a .. 0v grid .. s: 67.5v, 0.4ma . p: 67.5v, 1.6ma .. gm=600 . Rp=400k
1V5 .. pwr amp pentode .. 8CP . f: 1.25vDC, 0.04a . -4.5v grid . s: 67.5v, 0.4ma . p: 67.5v, 2ma . gm=750 . Rp=150k . load=25k, 0.05watt
1V6 triode pentode conv 1V6 f: 1.25DCv, 40ma Rg=5meg Eb(triode osc)=45 Ib(triode)=0.4ma s:45v,0.15ma p:45v,0.4ma conv_gm=200 Rp=1meg
1W5 .. sharp RF pentode . 8CP . f: 1.25vDC, 0.04a . 0v grid . s: 67.5v, 0.75ma . p: 67.5v, 1.85ma . gm=735 . . Rp=700k
2E31 .. sharp rf pentode 2E31 . f: 1.25vDC, 0.05a . Rg=5meg . s: 22.5v, 0.225ma . p:45v, 0.4ma . gm=525 .. Rp=1meg
2E32 .. sharp rf pentode 2E31 . f: 1.25vDC, 0.05a . Rg=5meg . s: 22.5v, o.225ma . p: 45v, 0.4ma . gm=525 .. Rp=1meg
2E35 . pwr amp. pentode ..2E31 . f: 1.25vDC, 0.03a . -1.25v grid . s: 45v, 0.11ma . p: 45v, 0.45ma . gm=500 .. Rp=250k .. load=100k, 0.006watt
2E36 .. pwr amp pentode . 2E31 . f: 1.25vDC, 0.03a . -1.25v grid . s: 45v, 0.11ma . p: 45v, 0.45ma . gm=500 .. Rp=250k .. load=100k, 0.006watt
2E41 .. diode pentode .. 2E41 . f: 1.25vDC, 0.03a . Rg=5meg . s: 22.5v, 0.12ma . p: 22.5v, 0.35ma . gm=375 .. Rp=250k
2E42 .. diode pentode .. 2E41 . F: 1.25vDC, 0.03a . Rg=5meg . s: 22.5v, 0.12ma . p: 22.5v, 0.35ma . gm= 375 . Rp=250k
2G21 .. triode heptode .. 2G21 . f: 1.25vDC, 0.05a . Rg=5meg . s: 22.5v, 0.3ma . p: 22.5v, 0.2ma . conversion transconductance=60
2G22 .. triode heptode .. 2G21 . f: 1.25vDC, 0.05a . Rg=5meg . s: 22.5v, 0.3ma . p: 22.5v, 0.2ma . conversion transconductance=60
3FW7 double triode 8LM h: 3.5v, 0.6a g=-1v mu=36 p: 90v, 9ma gm=9500 Rp=3800
3FX7 twin triode 8LK h: 3.5v, 0.6a g=-1v mu=36 p: 90v, 9ma gm=9500 Rp=3800
6AD4 ..triode... 6K4. h: 6.3v, 0.15a ...Rk=820 .. mu=70 ...... p: 100v, 1.4ma . gm=2700 .. Rp=26k
6AK4 med mu triode 8DK h: 6.3v, 0.15a Rk=680 mu=20 p: 200v, 9.5ma gm=3800 Rp=5.3k
6AZ5 twin doide 8DF h: 6.3v, 0.15a rms volts=150v . max dc i=4ma, peak 24ma . piv=420v
6AZ6 twin diode 8EH h: 6.3v, 0.15a rms volts=200v max dc i=20ma, peak 50ma . piv=450v
6BA5 ..shrp pentode 6BA5.. h: 6.3v, 0.15a ...Rk=270 ..s: 100v, 1.25ma ...p: 100v, 4.8ma . gm=3300 . Rp=150k
6BF7 .. twin triode . 8DG .. h: 6.3, 0.3a .. Rk=100 . mu=35 . p: 100v, 8ma ..... gm=4800 .. Rp=7000
6BG7 .. twin triode . 8DG .. h: 6.3v, 0.3a .. Rk=100 . mu=35 . p: 100v, 8ma ..... gm=4800 .. Rp=7000
6FW7 double triode 8LM h: 6.3v, 0.3a g=-1v mu=36 p: 90v, 9ma gm=9500 Rp=3800
6FX7 twin triode 8LK h: 6.3v, 0.3a g=-1v mu=36 p: 90v, 9ma gm=9500 Rp=3800
6K4 ...triode ......... 6K4 .. h:6.3v, 0.15a .. Rk=680 . mu=16 . p: 200v, 11.5ma .... gm=3450 .. Rp=4650
CK501AX pentode 5J f: 1.25v, 30ma Rg=5meg s:30v p:30v Rg2=3meg load=1meg
CK505AX pentode 5J f: 0.625v, 30ma g1=-0.625v s: 22.5v p:22.5v Rg=5meg Rg2=3meg load=1meg
CK507AX pentode 5j f:1.25v, 45ma g1-2v s:45v, 0.3ma p:45v, 0.9ma gm=575 Rp=300k load=10k Pout=11mW
CK509AX triode 4B f:0.625v, 30ma g1=0v p:45v, 0.15ma gm=160 Rp=150k
CK510AX double tetrode 7D f:0.625v, 50ma Rg=5meg Rg2=200k p:30v load=2meg Pout=150
CK511X pentode 6C f: 1.25v, 50ma Rg=10meg s:45v Rg2=3.3meg p:45v load=1meg
CK512AX pentode 5J f: 0.625v, 20ma Rg=5meg s:22.5v Rg2=2.7meg p:22.5v load=1meg
CK515BX triode 4B f:0.625v, 30ma g1=0v mu=24 p:45v, 0.15ma gm=160 load=1meg
CK516AX triode 5M f:0.625v, 20ma g1=-1.2v s:10v? p:10v load=40k Pout=3.5mW
CK518AX pentode 5D f:1.25v, 30ma g1=-2v s:45v, 0.25ma p:45v, 0.8ma gm=550 Rp=350k load=50k Pout=9.5mW
CK520AX pentode 5J f:0.625v, 50ma g1=-2.5v s:45v, 0.075ma p:45v, 0.24ma gm=150 Rp=1meg load=150k Pout=3.5mW
CK521AX pentode 5J f:1.25v,50ma g1=-3v s:22.5v, 0.175ma p:22.5v, 0.6ma gm=400 load=40k Pout=3.5mW
CK523AX pentode 5J f:1.25ma, 30ma g1=-1.2v s:22.5v, 0.075ma p:22.5v, 0.3ma gm=360 Rp=300k load=75k Pout=2.5mW
CK524AX pentode 5J f:1.25v, 30ma g1=-1.75v s:15v, 0.125ma p:15v, 0.45ma gm=300 Rp=200k load=30k Pout=2.2mW
CK525AX pentode 5J f:1.25v, 20ma g1=-1.2v s:22.5v, 0.06ma p:22.5v, 0.25ma gm=325 Rp=330k load=60k Pout=2.2mW
CK526AX pentode 5J f:1.25v, 20ma g1=-1.5v s:22.5v, 0.135ma p:22.5v, 0.525ma gm=425 Rp=220k load=50k Pout=3.75mW
CK527AX pentode 5J f:1.25v, 15ma Rg=5meg s:22.5v, 0.025ma p:22.5v, 0.1ma gm=225 Rp=1.8meg load=300k Pout=0.75mW
CK528AX pentode 5E f:1.25v, 20ma g1=-1.25v s:45v, 0.15ma p:45v, 0.675ma gm=560 Rp=700k load=200k Pout=10.5mW
CK529AX pentode 5E f:1.25v, 20ma g1=-1.25v s:15v, 0.075ma p:15v, 0.32ma gm=350 Rp=300k load=50k Pout=1.6mW
CK531DX pentode 5J f:1.25v, 20ma g1=-1.5v s:15v, 0.09ma p:15v, 0.3ma gm=250 Rp=250k load=60k Pout=1.67mW
CK532DX pentode 5J f:1.25v, 15ma Rg=10meg s:22.5v, 0.125ma p:22.5v, 0.4ma gm=450 Rp=180k Load=100k Pout=1.7mW
CK533AX pentode 5J f:1.25v, 15ma Rg=5meg s:22.5v, 0.09ma p:22.5v, 0.36ma gm=400 Rp=500k load=75k Pout=1.8mW
CK534AX pentode 5J f:0.625v, 15ma g1=-0.625v s:15v Rg2=1.5meg p:15v load=1meg
CK535AX pentode 5J f:1.25v, 20ma g1=-1.25v s:15v, 0.075ma p:15v, 0.32ma gm=350 Rp=300k load=50k Pout=1.6mW
CK536AX pentode 5E f:1.25v, 15ma Rg=5meg s:22.5v, 0.09ma p:22.5v, 0.36ma gm=400 Rp=500k load=75k Pout=1.8mW
CK537AX pentode 5E f:1.25v, 20ma g1=-1.5v s:22.5v, 0.135ma p:22.5v, 0.525ma gm=425 Rp=220k load=50k Pout=3.75mW
CK538DX pentode 5J f:0.625v, 15ma g1-0.625v s:15v Rg2=3.3meg p:15v
CK539DX pentode 5J f:1.25, 15ma g1=-1.4v s:22.5v, 0.075ma p:22.5v, 0.25ma gm=300 Rp=250k load=100k Pout=2.2mW
CK541DX pentode 5J f:1.25v, 15ma Rg=10meg s:30v, 0.075ma p:30v, 0.25ma gm=425 Rp=500k load=200k Pout=1.4mW
CK542DX pentode 5J f:1.25v, 15ma g1=-2v s:22.5v, 0.13ma p:22.5v, 0.425ma gm=325 Rp=150k load=50k Pout=3.75mW
CK542DXS pentode 5E f:1.25v, 15ma g1=-2v s:12.5v, 0.13ma p:22.5v, 0.425ma gm=325 Rp=150k load=50k Pout=3.75mW
CK543DX pentode 5J f:0.625v, 15ma g1=-0.625v Rg2=3.3meg
CK544DX pentode 5J f:1.25v, 10ma Rg=10meg s:30v, 0.035ma p:30v, 0.12ma gm=325 Rp=1.2meg load=200k Pout=0.52mW
CK545DX pentode 5J f:0.625v, 7.5ma g1=-0.625v Rg2=3.3meg
CK547DX pentode 5J f:1.25v, 10ma Rg=10meg s:30v, 0.06ma p:30v, 0.24 ma gm=425 Rp=750k load=200k Pout=1.35mW
CK1038 volt ref gas diode 3A start volts 930v reg volts 900v @0.005ma min, 0.055ma max volt regulation=15v
1247 RF diode 1247 . f:0.7v, 65ma 300v AC RMS v, 0.4ma DC plate current
1260 . high freq diode .. (4 pins). h: 6.3v, 0.15a (signal diode levels)
5633 remote c. RF pentode.5633 . h: 6.3v, 0.15a .. Rk=150 .. s: 100v, 2.8ma ...p: 100v, 7ma .. gm=3400 . Rp=200k
5634 remote c. RF pentode 5633 . h: 6.3v, 0.15a .. Rk=150 .. s: 100v, 2.5ma ...p: 100v, 6.5ma .. gm=3500 . Rp=240k
5635 .. twin triode .... 8DB .. h:6.3v, 0.15a ......Rk=100 ....mu=38 .. p: 100v, 4.8ma ... gm=3800 .. Rp=10k
5636 dual control pentode 8DC . h: 6.3v, o.15a .. Rk=150 .. s: 100v, 5ma .. p: 100v, 3ma .. gm=3200 .. Rp=160k . conversion transconductance = 1000 .. Pdmax=1.1w
5637 ..hi mu triode ..... 5637 . h: 6.3v, 0.15a .. Rk=820 .. mu=70 .. p:100v, 1.4ma .. gm=2700 .. Rp=26k
5638 . amplifier pentode . 5638 . h: 6.3v, 0.15a .. Rk=270 .. s: 100v, 1.25ma . p: 100v, 4.8ma . gm=3300 . Rp=150k
5639 . "video" pentode ..8DL .. h: 6.3v, 0.45a ... Rk=100 .. s: 100v, 4ma ... p: 150v, 21ma .. gm=9000 . Rp=50k .. Pdmax=4w
5640 . beam pwr amp .... 5640 .. h: 6.3v, 0.45a . -9v grid volts . s: 100v, 2.2ma . p: 100v, 31ma (no signal) . gm=5000 . Rp=15k . load=3k, 1.25 watts
5641 ..half wave rectifier . 6CJ . h: 6.3v, 0.45a . rms volts=250v . max dc i=45ma, peak 270ma . piv=850v
5642 ..half wave rectifier . 5642 . f: 1.25vDC, 0.14a . rms volts=3600 . max dc i=2ma, peak 12ma . piv=10000v
5643 .. gas tetrode 8DD. h: 6.3v, 0.15a g=5vAC s:0v p:150v, 16ma (grid bias volt 180o out of phase of anode voltage
5645 .med mu triode ..... ..5645 . h:6.3v, 0.15a .. Rk=560 .. mu=20 .. p: 100v, 5ma .. gm=2700 .. Rp=7400
5646 .hi mu triode ....... 5645 . h: 6.3v, 0.15a .. Rk=820 .. mu=70 .. p: 100v, 1.4ma .. gm=2400 .. Rp=29k
5647 ..high freq diode ......5647 h: 6.3v, 0.150a .. rms plate volts=165v, max dc 10ma, peak 60ma .. piv 460v (tiny! glass tube)
5672 .. pwr amp pentode ... .2E31 . f: 1.25vDC, 0.05a . -6.5v grid volts . s: 67.5v, 1.1ma . p:67.5v, 3.25ma . gm=650 . load=20k, 0.065 watts
5675 .med mu triode "pencil" 5675. h: 6.3v, 0.135a .. Rk=68 .. mu=20 .. p: 135v, 24ma .. gm=6200 .. Rp=3225
5676 ..med mu triode .... .5676 . f: 1.25vDC, 0.12a . -5v grid volts . mu=15 . p: 135v, 4ma . gm=1600 ..
5677 ..med mu triode ...... .5676 . f: 1.25vDC, 0.06a . -6v grid volts . mu=13.5 . p: 135v, 1.9ma .. gm=650
5678 ..pentode ............. 5678 . f: 1.25vDC, 0.05a . 0 grid volts . s: 67.5v, 0.48ma . p: 67.5v, 1.8ma . gm=1100 . Rp=1meg
5697 .. low mu triode ...... 5697 . f: 0.625vDC, 0.02a . -3v grid volts . mu=2.1 . p: 12v, 0.22ma . gm=135
5702 .remote cutoff pentode .5702 . h: 6.3v, 0.2a .. Rk=200 .. s: 120v, 2.5ma . p: 120v, 7.5ma . gm=5000 .. Rp=340k
5703 ..med mu triode ...... 5703 . h: 6.3v, 0.2a ... Rk=220 .. mu=25 .. p: 120v, 9ma .. gm=5000
5704 .. diode............... 5704 . h: 6.3v, 0.15a .. rms volts=150v . max dc i=9ma, peak=54ma . piv=420v
5718 .. med mu triode ..... 5718 . h: 6.3v, 0.150a .. Rk=150 . mu=20 ... p: 100v, 12ma ..gm=5500 .. Rp=3650 .. Pdmax=3.3w
5719 .. hi gh mu triode .... 5718 . h:6.3v, 0.150a .. Rk=820 . mu =70 .. p: 100v, 1.4ma .. gm=2700 .. Rp=26k .. Pdmax=0.55w
5744 .. hi mu triode ....... 5744. h: 6.3v, 0.2a .. Rk=500 .. mu=70 .. p: 250v, 4ma .. gm=4000 ..
5783 .. voltage reference ...5783 ... DC plate volts=86, DC cathode current=1.5 to 3.5ma .. Max regulation volts=3
5784 . dual ctrl RF pentode .5702. h: 6.3v, 0.2a . -2v grid . s: 120v, 4ma . p: 120v, 5ma . gm: @ec3=0v, 3200; @ec3=-3v, 1850
5785 . high volt diode ..... 5785. f: 1.25vDC, 0.015a .. max dc i=0.1ma, peak=0.45ma . piv = 3500v
5787 volt reg gas diode 5783 100v, 5 to 25ma ionization volt 135v volt regulation=5v
5797 semiremote cut. pentode 8CY h: 26.5v, 45mA g=0v s: 26.5v, 0.9ma p: 26.5v, 2.8ma gm=3450 Rp=70K Pdmax=0.8w
5798 med mu twin triode 8CZ h: 26.5v, 90mA g=0v mu=24 p: 26.5v, 2ma gm=3400 Rp=7100 Pdmax=0.2w per section
5829 twin diode 5829 h:6.3v, 0.15a piv=330v current per plate=5ma
5840 sharp RF cutoff pentode 8DL .h: 6.3v, 0.15a .. Rk=150 . s: 100v, 2.4ma .. p: 100v, 7.5ma . gm=5000 .. Rp=230k ... Pdmax=1.1w
5851 . beam power amp . 6CL. f: 2.5vDC, 0.055a OR 1.25vDC, 0.11a.. -7.5v grid . s: 125v, 0.9ma . p: 125v, 5.5ma .. gm=1600 .. Rp=175k
5854 power amp pentode 2E31 f: 1.25v, 0.03a g=-7.5v s: 125v, 0.9ma p: 125v, 5.5ma gm=1600 Rp=175k
5873 medium mu twin triode 5873 h: 6.3v, 0.3a g=-3v mu=22 p: 150v, 9ma gm=2900 Pdmax=1.6w per section
5875 pentode 1ad4 f:1.25v, 100ma g=0v s:90v, 0.9ma p: 90v, 3.5ma gm=2500
5876 hi mu triode "pencil" ..5675.. h: 6.3v, 0.135a ... Rk=75 ... mu=56 .... p: 250v, 18ma ... gm=6500 ..... Rp=8625
5884 twin tetrode ..5K f: 1.25v, 10ma Ec1/Ic1=0.1ma g2=-5v mu=1.05 p:20v, 0.1ma gm=25 load=100k
5885 twin tetrode 5885 f: 1.25v, 20ma g=-3v mu=2.4 s: tie to p p: 13.5v, 0.185ma gm=160
5886 electromenter pentode 8DJ . h: 6.3v, 0.3a . max dc i (per plate) 10ma, peak=60ma . piv 460v
5897 .. med mu triode .. 8DK.. h: 6.3v, 0.15a .. Rk=150 .. mu=27 .. p: 100v, 8.5ma ... gm=5800 . @500MHz, p=150v, 20ma: 0.9 watts
5898 .. med mu triode .. 8DK.. h: 6.3v, 0.15a .. Rk=680 .. mu=70 .. p: 150v, 1.7ma .... gm=2700
5899 semiremote cutoff pentode 8DL h: 6.3v, 0.15a .. Rk=120 .. s: 100v, 2.2ma . p: 100v, 7.2ma . gm=4500 .. Rp=260k .. Pdmax=1.1w
5900 semiremote cutoff pentode 8DL.h: 6.3v, 0.15a .. Rk=120 .. s: 100v, 2.2ma . p: 100v, 7.2ma . gm=4500 .. Rp=260k
5901 sharp cutoff pentode ..8DL . h: 6.3v, 0.15a .. Rk=150 .. s: 100v, 2.4ma .. p: 100v, 7.5ma .. gm=5000 .. Rp=230k
5902 .. beam pwr amp ....... 8DL . h: 6.3v, 0.45a .. Rk=270 .. S: 110v, 2.2ma .. p: 110v, 30ma .. gm=4200 .. Rp=15k . load=3000, 1 watt .. Pdmax=4w
5903 .. twin diode ........ .8DJ . h: 26.5v, 0.075a .. max dc i per plate=10ma, peak=60ma . piv=460v
5904 ..med mu triode ...... 8DK. h: 26.5v, 0.045a .. Rg=2.2meg . mu=19 . p: 26.5v, 3ma .. gm=5000
5905 sharp cutoff pentode ...8DL . h: 26.5v, 0.045a .. Rg=2.2meg .. s: 26.5v, 0.9ma .. p: 26.5v, 2.3ma .. gm=2850 .. Rp=110k
5906 sharp cutoff pentode .. 8DL . h: 26.5v, 0.045a .. Rk=150 .... s: 100v, 2.4ma .. p: 100v, 7.5ma .. gm=5000 .. Rp=230k
5907 remote cutoff pentode . 8DL . h: 26.5v, 0.045a .. Rg=2.2meg ... s: 26.5v, 1.1ma .. p: 26.5v, 2.7ma .. gm=3000 .. Rp=125k
5908 ..UHF mixer pentode . 8DC . h: 26.5v, 0.045a .. Rg=2.2meg .. s: 26.5v, 1.6ma .. p: 26.5v, 2.3ma .. gm= 1750 .. Rp=30k
5916 .. mixer pentode .... 8DC . h: 26.5v, 0.045a .. Rk=150 .. s: 100v, 4ma . p: 100v, 4ma . @ec3=0v: gm=3000, Rp=130k; @ec3=-3v: gm=1600, Rp=50k
5967 ..med mu twin triode 8DQ f: 1.25, 0.12a Ecc=0 mu= 17 p: 45v, 3ma gm=2000
5968 twin triode 8DQ f: 1.25, 0.12a g=0v mu=50 p: 45v, 0.7ma gm=1300
5969 twin tetrode 8DR f: 1.25, 0.2a g=-3v s: 45v, 0.6ma p: 135v, 3ma gm=1700
5970 twin pentode 8DS f: 1.25, 0.16a g=0v s: 45v, 0.9ma p: 45v, 3ma gm=1850
5971 med mu triode 5971 f: 1.25vDC, 0.08a g=-2.5v mu=23 p: 135v, 4ma gm= 2150
5972 remote cutoff pentode 1AD4 f: 1.25, 0.06a g=0 s: 67.5v,0.8ma p: 67.5v, 2.5ma gm=1300
5975 med mu triode 5975 h: 6.3v, 0.175a Rk=680 mu=16 p: 200v, 12ma gm=4000
5977 ..med mu triode ... . 8DK .. h: 6.3v, 0.15a ... Rk=270 .. mu=16 .. p: 100v, 10ma .. gm=4500
5987 .. triode .........8DM . h: 6.3v 0.45a ... g=-18v .. mu=4.1 . p: 100v, 9mA gm=1850 Pd=4w
5995 half wave rectifier 5995 h: 6.3v, 0.3a piv=850v 45ma
6021 .. twin triode ..... 8DG .. h: 6.3v 0.3a .... Rk=150 .. mu=35 p: 100v, 6.5ma gm=5400 Rp=6500 Pd=1.87w
6026 med mu triode 6026 h: 6.3v, 0.2a Rk=220 mu=24 p: 120v, 12ma gm=5900 Rp=4k
6029 med mu triode 5676 f: 1.25DCv, 0.2a g=-4v mu=8.5 p: 90v, 11ma gm=2000 Rp=4250 Pdmax=1w
6049 semiremote cut. pentode 8DL h: 6.3v, 0.15a Rk=150 s: 100v,2.5ma p: 100v,7.5ma gm=3550 Rp=400k Pdmax=1.1w
6050 hi freq med mu triode 5676 f: 1.25DCv,0.12a g=-5v mu=16 p: 135v, 4ma gm=1600
6051 pentode 6051 f: 1.25v, 0.1a g=-4v s:45v, 1.1ma p: 45v, 4ma gm=1350 Rp=35k
6052 .. twin HF diode .. . 8DJ .. h: 6.3v, 0.3a per plate max dc i=10ma, peak 60ma . piv=460v
6053 twin HF diode 8DJ h:26.5v, 75ma per plate max dc i=10ma, peak 60ma . piv=460v
6055 .. triode .......... 8DK .. h: 26.5v, 45ma Rg=2.2meg mu=19 p:26.5v, 3ma gm=5000
6056 remote cut RF pentode 8DL h: 26.5v, 45ma Rg=2.2meg s:26.5v, 1.1ma p:26.5v, 2.7ma gm=3000 Rp=125k
6088 power amp pentode 512AX f: 1.25DCv, 20ma g=-1.25v s: 45v, 0.15ma p: 45v, 0.65ma zero signal gm=625 Rp=700k load=80k pwr out=0.01w
6092 power amp pentode 2E31 f: 1.25v, 50ma g=-4.5v s: 45v, 0.4ma p: 45v, 1.4ma gm=600 load=30k pwr out=0.025w
6110 .. twin diode ....... 8DJ .. h: 6.3v 0.15a .. piv=460v, 26.4 ma
6111 .. twin med mu triode . 8DG. h: 6.3v, 0.3a ... Rk=220 mu=20 p: 100v, 8.5ma gm=4750 Rp=4k ... Pdmax=1.1w
6112 .. twin hi mu triode . 8DG. h: 6.3v, 0.3a ....Rk=820 mu=70 p: 150v, 1.7ma gm=2500 .. Rp=28k Pdmax=0.55w
6121 medium mu triode 5676 f:1.25v, 0.12a g=-5v mu=15 p: 135v, 4ma gm=1600 Rp=9400 Pdmax=1.1w
6147 RF pentode 6CL. f: 1.25, 0.125a ....-7.5 grid v s: 125v, 0.9ma p: 125v, 5.5ma gm=1600 Rp=175k Pd=1.5w
6152 low mu triode 5975 h: 6.3v, 0.2a Rk=270 mu=17.5 p: 100v, 10ma gm=5100 Rp=3400
6169 hi freq triode 8EE h: 6.3v, 0.15a g=-1v mu=55 p: 180v, 11.5ma gm=6500 Rp=8500 Pdmax=3w
6184 .. twin diode ..... 6184 .. h: 6.3v, 0.15a piv=450v plate=20ma
6193 hi freq twin triode 6193 h: 6.3v, 0.3a g=-1v mu=55 p: 180v, 11.5ma gm=6500 Rp=8500 Pdmax=2w per section
6195 Beam power amp 6CL f:1.25/2.5DCv, 220/110ma g=-7.5v s:125v,1.5ma p:125v, 9ma gm=2100 Rp=120k Pdmax=2.5w
6205 sharp cutoff pentode 8DC .. h: 6.3v, 0.15a ... Rk=150 s: 100v, 2.4ma p: 100v, 7.5ma gm=5000 Rp=260k Pd=1.1w
6206 semiremote cutoff pentode 8DC.. h: 6.3v, 0.15a ....Rk=120 s: 100v, 2mA p: 100v, 7.5ma gm=4500 Rp=260k Pdmax=1.1w
6213 volt ref gas diode 6213 start volts 200v reg volts 127v @1ma min, 134V @2.5ma max volt regulation=2v
6221 med mu triode 8HF h: 6.3v, 175ma Rk=150 mu=27 p: 100v, 8.5ma gm=5800 Rp=4700
6222 high mu triode 8HF h:6.3v, 175ma Rk=1500 mu=70 p: 100v, 0.7ma gm=1700 Rp=41k
6223 sharp cutoff pentode 8DL h:6.3v, 175ma Rk=150 s:100v, 2.4ma p:100v, 7.5ma gm=5000 Rp=175k
6224 beam power amp 8DL h: 6.3v, 0.45a Rk=270 s:110v, 2ma p:110v, 30ma gm=4200 Rp=10k Pdmax=5w
6225 semiremote c. pentode 8DL h:6.3v, 175ma Rk=120 s: 100v, 2ma p:100v, 7.2ma gm=4500 Rp=175k
6245 sharp cutoff pentode 5702 h: 6.3v, 0.2ma Rk=200 s:120v, 2.6ma p:120v, 7.5ma gm=5000 Ec3=0v
6247 .. hi mu triode ....... 6247... h: 6.3v, 0.2a Rk=500 mu=60 p:250v, 4.2ma gm=2650 Rp=22.6k
6281 sharp cutoff AF pentode 2E31 f:0.625v, 20ma g=-1v s:15v, 0.05ma p:15v, 1ma gm=105 Rp=2meg
6286 medium mu triode 5676 f: 1.25v, 0.45a g=-2v mu=11.5 p:67.5v, 6ma gm=2100 Rp=5500
6308 volt reg gas diode 8EX 87v, 3.5ma max ionization voltage=115v min
6320 high mu twin triode 8DG h:6.3v, 85ma Rk=680 mu=60 p:100v, ?ma gm=1800 Rp 33k Pdmax=0.6w per section
6321 low mu twin triode 8DG h:6.3v, 85ma Rk=680 mu=16 p: 100v, ?ma gm=1700 Rp=9400 Pdmax=0.6w per section
6352 temperature limited t diode 8EY f: 3vAC, 0.36a Plate voltage=250vDC thru 1meg, plate current 50ua all sections total
6397 .. power amp pentode ...6CL ... f: 2.5/1.25v, 62.5/125ma g=-7.5v s:125v, 1.2ma p:125v, 7.25ma gm=1950
6418 power amp pentode 512AX f: 1.25v, 10ma g=-1.2v s:22.5v, 0.06ma p:22.5v, 0.24ma zero signal gm=300 Rp=420k load=100k Pout=2.2mw
6419 power amp pentode 512AX f: 0.625v, 10ma g=-0.625v s:15v, 0.02ma p:15v, 0.055ma gm=100 Rp=2meg
6437 volt regulator ..3A start volt=800v 700v @0.005ma min Imax=0.1ma max regulation=15v
6438 volt regulator ..3A start volt=1400v 1200v @0.005ma min Imax=0.1ma max regulation=20v
6483 switching gas tetrode 6483 trigger grid=0v p:450v trigger pulse volt=300 keep alive current=45ua
6487 diode RF pentode 8FW h:6.3v, 0.2a g=-2v s:100v, 2.45ma p:100v, 3ma gm=2500 Rp=100k
6488 remote cut RF pentode 8FX h:6.3v, 200ma g=-2v s:100v, 2.5ma p:100v, 7.5ma gm=5250 Rp=250k
6489 diode, rectifier EA76 6489 h:6.3v, 150ma per plate max dc i=10ma, peak 60ma . piv=460v
6519 power amp pentode 512AX f: 1.25v, 10ma Ecc1=0 s:22.5v, 0.1ma p:22.5v, 0.4ma gm=7000 Rp=280 load=100k Pout=1.5mw
6526 power amp pentode 8FY h:6.3v, 0.2a Rk=1500 mu=54 p: 120v, 0.9ma gm=1750 Rp=31k
6540 sharp cutoff pentode 5702 h: 6.3v, 0.2a Rk=200 s:120v, 2.6ma p:120v, 7.5ma gm=5000 Rp=150k Ec3=0v
6542 volt regulator ..3A start volt=185v 150v @5ma min Imax=25ma max regulation=6v
6611 RF pentode 512AX f: 1.25v, 20ma Ecc1=0 s:30v, 0.35ma p:30v, 1ma gm=1000 Rp=400k Rg1=5meg
6612 RF pentode 512AX f: 1.25v, 80ma Ecc1=0 s:30v, 1ma p:30v, 3ma gm=3000 Rp=180k Rg1=2meg
6690 medium mu twin triode 8GQ h:6.3v, 0.3ma Rk=100 mu=? p: 100v, 8ma gm=4800
6788 sharp cutoff pentode 8DL h: 6.3v, 175ma Rk=1500 s:100v, 0.1ma p:100v, 0.7ma gm=1100 Rp=1.2meg
6814 .. medium mu triode..8DK... h: 6.3v, 0.15a ... Rk=150 mu =29 p:100v, 10ma gm=6000 .Rp=4800.. Pdmax=2w
6832 med mu twin triode 8DG h: 6.3v, 0.4a Rk=3000 mu=26 p:100v, 0.8ma gm=1050
6872 pentode 5702 h:6.3v, 0.2a Rk=200 s:120v, 2.7ma p:120v, 7.75ma gm=4100 Rp=340k
6943 sharp cutoff pentode 8DC h: 6.3v, 175ma Rk=150 s:100v, 2.3ma p:100v, 8ma gm=3600 Rp=300k
6944 semiremote c. pentode 8DC h: 6.3v, 175ma Rk=150 s:100v, 2ma p: 100v, 7ma gm=3200 Rp=280k
6945 beam power amp 8DL h: 6.3v, 0.35a Rk=270 s: 100v, 1.5ma p:100v, 25ma gm=3500 Rp=20k
6946 medium mu triode 8DK h: 6.3v, 175ma Rk=270 mu=16.5 p:100v, 9ma gm=3800
6947 med mu twin triode 8DG h:6.3v, 0.35a Rk=270 mu=35 p:150v, 6.5ma gm=4000
6948 hi mu twin triode 8DG h: 6.3v, 0.35a Rk=1500 mu=70 p:100v, 0.8ma gm=1650
6977 indicator, triode ...6977 . f: 1v, 30ma g=-0 to -3v p:50v, 0.005 to 0.585ma
6999 power amp pentode 6999 f:2.64v, 50ma g=-4v s: 67.5v, 0.9ma p:67.5v, 4ma gm=1650 load=12k Pout=0.135w Pdmax=0.75w
7079 twin triode 8DG h: 6.3v, 0.3a Rk=220 mu=20 p: 100v, 8.5ma gm=5000 Rp=4k
7083 sharp cutoff pentode 5702 h: 6.3v, 0.2a Rk=200 s:120v, 2.6ma p: 120v, 7.5ma gm=5000 Rp=340k
7264 triode 5676 f: 1.25v, 0.15a g=-2.5v mu=22 p:105v, 4.5ma gm=2700 Rp=8150
7327 pulse duty twin triode 8DG h:6.3v, 0.3a pulse duty: 0.25% pulse width: 2.5usec max cathode current: 1.25a
7432 RF pentode 8DE h:6.3v, 175ma g1=-1.4v s:100v, 2.2ma p:100v, 7ma gm=5000
7433 RF pentode 8FX h:6.3v, 0.2a g1=-2v s:100v, 2.5ma p:100v, 7.5ma gm=5500
7434 pentode 8FX h:6.3v, 0.2a g1=-1.4v s:100v, 2.4ma p:100v, 7ma gm=3100
7435 diode detector 5DC h:6.3v, 150ma max dc i=10ma, peak 60ma . piv=460v
7436 HW rectifier 6CJ h:6.3v, 0.4a max dc i=50ma, peak 300ma . piv=930v
7437 med mu triode 8JY h:6.3v, 150ma g1=-3v mu=20 p:100v, 8ma gm=4200
7438 dual control pentode 8JZ h:6.3v, 175ma g1=-2v s:100v, 2.25ma p:100v, 3ma gm=2500
7550 pulse duty twin triode 8DG h:6.3v, 0.5a pulse duty: 0.25% pulse width: 2.5usec max cathode current: 3a
7576 high mu triode 8KM h: 6.3v, 0.45a Rk=150 mu=46 p:200v, 15.5ma gm=10700
7626 power amp pentode 7626 f: 1.25v, 125ma g=-20v s:120v, 2ma p:120v, 10ma Pout=0.6w
7759 med mu twin triode 8DG h: 26.5v, 90ma Rk=150 mu=35 p:100v, 6.5ma gm=4100
7760 med mu twin triode 8DG h: 26.5v, 90ma Rg=2.2meg mu=20 p:26.5v, 3ma gm=5400
7761 semiremote c. pentode 8DL h: 26.5v, 0.11a Rk=100 s:100v, 4ma p:150v, 21ma gm=9000 Rp=50k Pdmax=4w
7762 power amp pentode 8DL h:26.5v, 0.11a Rk=270 s:110v, 2.2ma p:110v, 30ma zero signal gm=4200 Rp=15k load=3000 Pout=1w Pdmax=4w
7887 med mu twin triode 8DG h: 26.5v, 90ma Rk=820 mu=70 p:150v, 1.75ma gm=2500
7894 gas volt regulator ______ 85v, 0.03 to 0.85ma ionization voltage=3300
7962 twin triode 8DG h:6.3v, 0.24a Rk=220 mu=21 p:60v, 7.8ma gm=10000 Rp=2100
7963 twin triode 8DG h: 6.3, 0.35a Rk=270 mu=40 p:100v, 7.5ma gm=13000 Rp=3100
7979 gas triode 7979 f:1.25v, 0.25a abs max anode current=11ma, DC anode current=3ma max
7994 triode 8KM h: 6.3v, 0.25a Rk=82 mu=42 p:100v, 13ma gm=18000 Rp=22k
7995 sharp cutoff pentode 8KZ h: 6.3v, 0.25a Rk=160 s:150v, 2ma p:150v, 8ma gm=13000 Rp=85k
8064 semiremote c. pentode 8DL h: 26.5v, 45ma Rk=120 s:100v, 2ma p:100v, 7.2ma gm=4500 Rp=275k
8070 triode 8LD h: 6.3v, 125ma Rk=130 mu=58 p:110v, 7.5ma gm=11000
8071 hi mu triode 8LE h: 6.3v, 125ma Rk=100 mu= 55 p:150v, 13ma gm=12750 Rp=4670
8096 triode 8FY h: 6.3v, 0.2a Rk=1500 mu=54 p:120v, 0.9ma gm=1750
8185 triode 8KM h: 6.3v, 0.3a Rk=220 mu=42 p:200v, 17ma gm=19000
8186 triode 8KM h:26.5v, 75ma Rk=220 mu=42 p:200v, 17ma gm=19000
8210 sharp cutoff pentode 8LS h: 6.3v, 125ma Rk=100 s:100v, 2.8ma p:100v, 8.5ma gm=9000 Rp=260k
8211 video pentode 8DL h: 6.3v, 0.36a Rk=62 s:100v, 4.2ma p:150v, 17ma gm=15500 Rp=65k
8213 med mu triode 8LD h: 6.3v, 0.15a Rk=160 mu=55 p:100v, 7.5ma gm=14000
8414 sharp c. RF pentode 8DC h: 26.5v, 45ma Ecc1=0 Rg1=2.2meg s:26.5v, 1.5ma p:26.5v, 4.5ma gm=5000 Rp=50k
8444 sharp c. RF pentode 8DC h: 6.3v, 125ma Rk=100 s:100v, 2.8ma p:100v, 8.5ma gm=9000 Rp=260k
8517 pentode 8DC h: 6.3v, 0.15a Rk=150 s:100v, 4.2ma p:100v, 6.1ma
8522 dual control pentode 8DC h: 6.3v, 0.15a Rk=150 s:100v, 3.6ma p:100v, 5.3ma gm=3200 Rp=110k (g3 tied to k)
DM70 indicator tube DM70 f: 1.4V, 25ma grid resistor 10 meg max g: 0 to -15V Ik: 0.11ma, 0.6ma max p:150V Pdmax:75mW plate load: 500K long leads
DM71 indicator tube DM70 f: 1.4V, 25ma grid resistor 10 meg max g: 0 to -15V Ik: 0.11ma, 0.6ma max p:150V Pdmax:75mW plate load: 500K short leads
PINOUTS (see abbreviations above): 1AD4: 1.p 2.g2 3.f,g3 4.g1 5.f 1AE5: 1.p 2.g3 3.f 4.g1 5.g2,g4 6.f 1AG5: 1.p 2.g2 3.diode_p 4.f,g3 5.g1 6.f,other g3 1V6: 1.p-a 2.g2-a 3.g1-a 4.f,g3-a 5.g1-b 6.p-b 7.f 2E31: 1.p 2.g2 3.f 4.g1 5.f,g3 2E41: 1.p 2.g2 3.diode plate 4.f 5.g1 6.f,g3 2G21: 1.p-t 2.p-h 3.g1-t,g1-h 4f 5.g2-h,g3-h? 6.g4-h 7.f,g5-h 3A: 1.k 2.p 3.k 4B: 1.p 2.f+ 3.g 4.f- 5D: 1.p 2.g2 3.f+ 4.g1 5.f-,g3,shield 5DC: ? 5E: 1.f 2.g2 3.f+,g3 4.g1 5.f-,g3, shield 5J: 1.p 2.g2 3.f+,g3 4.g1 5.f-,g3 5K: top lead.G12 1.p1 2.g1 3.f+ 4.space_charge_grid 5.p2 6.f- 5M: 1.p -gap- 3.f+ 4.g 5.f- 6BA5: 1.p 2.k,g3 3.g1 4.h 5.g2 6.h 6C: 1.p 2.g2 3.f+ 4.g1 5.g3 6.f- 6K4: 1.p 2.g1 3.h 4.h 5.k (looking at base of tube, hold so 3 pins form a vertical row to the right of 2 more pins, pin 1 is the top of the 3 row, clockwise for rest. 6CJ: 1.nc 2.p 3.h 4.p 5.k 6.h 7.nc 8.p 6CL: 1.f 2.nc 3.p 4.nc 5.g3,filament tap 6.g2 7.f 8.g1 7D: 1.1g 2.1p 3.space_charge_grid 4.f+ 5.2p 6.2g 7.f- 8CN: 1.nc 2.g1 3.nc 4.f,g5 5.f 6.p 7.g2,g4 8.g3 8CP: 1.nc 2.g1 3.nc 4.f,g3 5.f 6.nc 7.p 8.nc 8CO: 1.nc 2.g1 3.nc 4.f,g3 5.f 6.diode plate 7.p 8.g2 8CY: 1.g1 2.k 3.g3 4.h 5.h 6.g2 7.p 8.nc 8CZ: 1.p-a 2.g1-a 3.k-a 4.h 5.h 6.k-b 7.g1-b 8.p-b 8DA: 1.p 2.nc 3.g1 4.f,g3 5.f 6.diode plate 7.nc 8.g2 8DB: 1.g1-b 2.g1-a 3.h 4.nc 5.p-a 6.h 7.p-b 8.common kathode 8DC: 1.g1 2.k 3.h 4.g3 5.p 6.h 7.g2 8.k 8DE: 1.g1 2.k-g3 3.h 4.k-g3 5.p 6.h 7.g2 8.k-g3 8DF: 1.p-a 2.k-a 3.h 4.nc 5.is 6.h 7.k-b 8.p-b 8DG: 1.p-a 2.g1-a 3.h 4.k-a 5.k-b 6.h 7.g1-b 8p-b 8DJ: 1.p-a 2.k-a 3.h 4.nc 5.p-b 6.h 7.k-b 8.nc 8DK: 1.g1 2.nc 3.h 4.nc 5.k 6.h 7.nc 8.p 8DL: 1.g1 2.k.g3 3.h 4.k,g3 5.p 6.h 7.g2 8.k,g3 8DM (5987): 1.g1 2.p 3.h 4.? 5.k 6.h * 8DN: 1.g1 2.nc 3.nc 4.f 5.f 6.nc 7.nc 8.p 8DQ: 1.p-a 2.f1 3.g1-a 4.f2 5.f2 6.g1-b 7.f1 8.p-b 8DR: 1.f 2.g1-a 3.g2-a 4.p-a 5.p-b 6.g2-b 7.g1-a 8.f 8DS: 1.f,g3-a 2.g1-a 3.g2-a 4.p-a 5.p-b 6.g2-b 7.g1-b 8.f,g3-b 8EE: 1.g1 2.p 3.h 4.k 5.k 6.h 7.p 8.g1 8EH: 1.nc 2.p-a 3.h 4.k-a 5.k-b 6.h 7.p-b 8.is 8EX: 1.k 2.ic 3.p 4.ic 5.k 6.ic 7.ic 7.ic 8EY: 1.f 2.ic 3.ic 4.f-ct 5.p-a 6.f 7.p-b 8.f-ct 512AX: 1.p 2.g2 3.f,g3 4.g1 5.f, other g3 8FO (6247): 1.g1 2.g1 3.h 4.p 5.k 6.h 7.nc 8.p 8FW: 1.g1 2.g3-diode plate 3.h 4.k 5.p 6.h 7.g2 8.g3-diode plate 8FX: 1.g1 2.g3 3.h 4.p -space?- 5.g2 6.h 7.k 8.p 8FY: 1.p 2.g1 3.g1 4.p 5.k 6.h 7.h 8.p 8GQ: 1.p-a 2.g1-a 3.h 4.k-a 5.p-b 6.h 7.g1-b 8.k-b 8HF: 1.g1 2.nc 3.h 4.p 5.k 6.h 7.nc 8.p 8JY: 1.g1 2.p 3.h 4.p -space?- 5.nc 6.h 7.k? 8.p? 8JZ: 1.g1 2.g3 3.h 4.g3 -space?- 5.p 6.h 7.g2 8.k 8KM: 1.h 2.g1 3.p 4.g1 5.g1 6.k 7.g1 8.h 8KZ: 1.h 2.k 3.g1 4.h 5.k 6.g3 7.p 8.g2 8LD: 1.k 2.g1 3.h 4.ic 5.ic 6.h 7.p 8.k 8LE: 1.p 2.g1 3.h 4.k 5.k 6.h 7.g1 8.p 8LK: 1.p-a 2.g1-a 3k-a 4.h 5.h 6.p-b 7.g1-b 8.k-b 8LM: 1.p-a 2.g1-a 3.k-a 4.h 5.h 6.p-b 7.g1-b 8.k-b 8LS: 1.k 2.k 3.h 4.g3 5.p 6.h 7.g2 8.g3 top-pin.g1 8LT: 1.p 2.nc 3.g1 4.h 5.h 6.k 7.nc 8.h-ct 8LW: 1.k 2.nc 3.h 4.ic 5.k 6.h 7.nc 8.p top-pin.g1 1247: 4.f 5.f top-hat.p 5633: (top lead).p 1.k 2.g3 3.g1 4h 5.g2 6.h 5637: 1.p 2.g1 3.h 4.h 5.k 5638: 1.k 2.g1 3.h 4.g2 5.h 6.p 5640: 1.p 2.h 3.g2 4.h 5.k 6.g1 5642: (top lead).p 1.f 2.f 5643 (8DD): 1.p 2.g2 3.h 4.? 5.k 6.h * 5645: 1.p 2.k 3.h 4.g1 5.h 5647: 1.p 2.is a gap, no pin 3.h 4.h 5.k 5675: two pins at one end = heaters, then metal tubular section = cathode, disk = grid, another metal tubular section = plate 5676: 1.p 2.f 3.g1 4.f 5678: 1.p 2.g2 3.f, half of g3 4.g1 5.f, other half of g3 5697: 1.p 2.gap 3.f 4.f 5.gap 6.gap 7.g1 5702: 1.p 2.g2 3.h 4.h 5.g3 6.k 7.g1 5703: 1.p 2.gap 3.h 4.h 5.g1 6.k 5704: 1.p 2.h 3.h 4.k 5718: 1.p 2.g1 3.h 4.h 5.k 5744: 1.p 2.h 3.h 4.g1 5.k 5783: 1.k 2.p 3.k 5785: 1.p 2-5.gaps 6.f 7.f 5829: 1.p-a 2.k-a 3.h 4.nc 5.h 6.k-b 7.p-b 5873: 1.h 2.p-a 3.g1-a 4.k-a 5.k-b 6.g1-b 7.p-b 8.h 5885: 1.g1-a 2.g2-a 3.p-a 4.f 5.g2-b 6.g1-b 7.p-b 8.f 5886: 1.p 2.g2 3.f,g3 4.f,other g3 5 & 6 missing 7.g1 5889: 1.p 2.g2 3.f 4.missing 5.f top-pin.g1 filament center tap:g3 5971: 1.p 2.g1 3.f 4.g1 5.f 5975: 1.p 2.k 3.g1 4.h 5.h 5995: 1.p 2.missing 3.h 4.h 5.k 6026: 3.k 4.h 5.h gap 7.g1 8.p 6051: 1.p 2. g2 3.f,g3 4.g1 5.f, other g3 6184: 1.nc 2.p-a 3.h 4.k-a 5.k-b 6.h 7.p-b 8.is 6193: 1.p-a 2.g1-a 3.h 4.k-a 5.k-b 6.h 7.p-b 8.g1-b 6213: 1.k gap 3.p gap 5.k 6483: 1.k 2.nc 3.g2 4.nc 5.p 6.nc 7.g1 8.nc 6489: 1.h 2.p 3.k -space- 4.h -space- 5.p -space back to pin 1- 6611: 1.p 2.g2 3.f- 4.g1 5.f+,g3 6612: 1.p 2.g2 3.f- 4.g1 5.f+,g3 6872: 1.p 2.g2 3.h 4.h 5.g3 6.k 7.g1 6977: 1.missing 2.f 3.g1 4.missing 5.f 6.missing 7.p 6999: 1.p 2.f,g3 3.g2 4.f-ct 5.g1 6.f, other g3 7246: 1.p 2.f- 3.g1 4.f+ 7626: ? 7979: 1.f 2.g1 3.p 4.f DM70: 1.g 2.ic 3.nc 4.f 5.f 6.nc 7.nc 8.p
source: _Essential Characteristics_, GE tube div (ETR-15D) and (ETRM-15P), _RCA Industrial Tube Products_, RCA (12-67)*: (extracted from TU7/DU manual, results may contain errors)