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9AU7 Medium-Mu Twin Triode Sylvania Vacuum Electronic Tube

This is an original 9AU7 Medium-Mu Twin Triode electronic tube. This tube was developed for push-pull amplifier in ac/dc radio equipment. Also used for amplifiers, multivibrators or oscillators. Also a good general purpose dual triode replacement. It is new, unused, boxed, excellent condition. Excellent for antique cathedral radio restoration projects or to set up a private vacuum tube museum. First come first serve, as only one of this rare historical vacuum tube available!
9AU7 Sylvania Medium-Mu Twin Triode Electronic Tube [9 KB]


9AU7 Medium-Mu Twin Triode Electronic Tube
MFG: Sylvania High quality Made in USA
Amplifier, Oscillator
Heater: 9.4/4.7 V, 0.225/0.45 ASeries/Parallel
Plate: 250 Vmax, 10.5 mAmax, 5.5 Wmax Both Plates
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
9AU7 Noval 9-Pin Miniature All Glass Electronic Vacuum Tube Electrode Connections
PIN # 1 2 3 4 5 6 7 8 9
Electrodes Anode 2 Grid 2 Cath 2 Heater 2 Heater 1 Anode 1 Grid 1 Cath 1 Heater-Ctr
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