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3S4T Power Pentode Miniature Tungsram Electron Vacuum Tube

This is a genuine, vintage, collectible 3S4T Tungsram Power Pentode battery operated discontinued electron tube in it's original box. Developed for Class A amplifier use in receivers, transmitters and instruments. This exceptional tube is capable for full operation while using only 25 mA current from the filament battery! Useful for replacement, antique radio restoration projects, circuit reseach, experimentation or to set up a private vacuum tube museum. It is NOS tube - New Old Stock, unused, boxed, in mint condition. First come first serve, only one of this rare, discontinued, historical vacuum tube available!
3S4T Power Pentode Miniature Discontinued Tungsram Electron Vacuum Tube [10 KB]
HARD TO FIND ORIGINAL HISTORICAL TUBE

Features:

3S4T Power Pentode Tube
MFG: Tungsram Quality Made in Hungary
Class A amplifier, Oscillator
Heater: 1.4/2.8 V, 50/25 mA
Plate Voltage: 90 Vmax - Class A
Plate: 5 mAmax, 0.6 Wmax - Class A
Base: 7-pin miniature Rare Collectible

Notes:

NOS - [New Old Stock] tube Original box
Unused Price: $100 One available
S/H included within continental US
3S4T Miniature 7-Pin All Glass Electronic Vacuum Tube Electrode Connections
PIN # 1 2 3 4 5 6 7
Electrode Heater Anode Grid 1 Grid 2 FC Grid 3 Anode Heater
FC=Filament center
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