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12DU7 Twin-Diode, Power Tetrode Sylvania Auto Radio Space Charge Electronic Tube

This is a genuine, vintage, Sylvania 12DU7 Twin Diode, Power Tetrode Space Charge, electronic tube. These miniature, lightweight, portable, compact, tubes were developed to work with the automobile 12 Volt battery as anode supply. Developed for combined detector, amplifier and avc use in automobile and ac operated receivers. Useful for antique radio restoration projects or to set up a private vacuum tube museum. It is NOS tube - New Old Stock, unused, boxed, excellent condition. First come first serve, as only one of this rare, discontinued, historical vacuum tube available!
12DU7 Twin Diode, Power Tetrode Sylvania Auto Radio Space Charge Electronic Tube [12 KB]


12DU7 Twin-Diode, Power Tetrode
MFG: Sylvania High quality Made in USA
Audio Power Amplifier AF, RF, Oscillator
Heater: 12.6 V, 0.25 A Space Charge Tube
Plate: 12.6 Vmax, 12 mAmax - Tetrode Class A
Discontinued Special Collectible Tube
Base: 9-pin noval, miniature all glass


NOS - [New Old Stock] tube Original box
Unused - Price: $40 - One available
S/H included within continental US
12DU7 Noval 9-Pin Miniature All Glass Electronic Vacuum Tube Electrode Connections
PIN # 1 2 3 4 5 6 7 8 9
Electrodes Grid-1 Cathode Grid-2 Heater Heater Anode Anode D2 NC Anode D1
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