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1U4 Sharp-Cutoff Pentode Battery Type Sylvania Glass Electronic Vacuum Tube

This is a genuine, original, discontinued Sylvania 1U4 Sharp-Cutoff Pentode electronic tube in its original box. These miniature type tubes used as output amplifier stage in many lightweight, compact, portable, battery operated equipment. Excellent part for antique radio restoration or for a private vacuum tube museum. It is a NOS tube - New Old Stock, unused, boxed, excellent condition.
1U4 Sharp-Cutoff Pentode Battery Type Sylvania Glass Electronic Vacuum Tube [8 KB]
HARD TO FIND ORIGINAL HISTORICAL TUBE

Features:

1U4 Sharp-Cutoff Pentode
MFG: Sylvania Quality Made in USA
Amplifier Audio, Oscillator, AF, RF
Heater: 1.4 V, 50 mA
Plate Voltage: 110 Vmax
Base: 7-pin miniature, all glass

Notes:

NOS - [New Old Stock] tube Original box
Unused Price: $50 One available
S/H included within continental US
1T4 Miniature 7-Pin All Glass Electronic Vacuum Tube Electrode Connections   F=Filament
PIN # 1 2 3 4 5 6 7
Electrode F-, Grid 3 Anode Grid 2 NC F-, G3 Grid 1 F+
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