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1S4 Power Pentode Discontinued Battery Type RCA Victor Glass Vacuum Electron Tube

This is a genuine discontinued RCA Victor 1S4 Electronic Tube in an original, old style box. A collector's special vacuum tube. These miniature type tubes used as output amplifier stage in lightweight, compact, portable, battery-operated equipment. Excellent for those antique radio restoration projects or to set up a private vacuumtube museum. It is NOS tube - New Old Stock, unused, boxed, and kept for all these years in mint condition.
1S4 Power Pentode Discontinued Battery Type RCA Victor Glass Vacuum Electron Tube [10 KB]
HARD TO FIND ORIGINAL HISTORICAL TUBE

Features:

1S4 Power Pentode Electrone
MFG: RCA Victor Quality Made in USA
Amplifier, Oscillator, AF, RF
Heater: 1.4 V, 100 mA Collectible
Plate: 90 Vmax, 7.4 mAmax
Base: 7-pin miniature, all glass

Notes:

NOS - [New Old Stock] tube Original box
Unused Price: $100 One available
S/H included within continental US
1S4 Miniature 7-Pin All Glass Electronic Vacuum Tube Electrode Connections   F=Filament, G=Grid
PIN # 1 2 3 4 5 6 7
Electrode F-, G3 Anode Grid 1 Grid 2 F-, G3 Anode F+
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