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.

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HARD TO FIND - HISTORICAL TUBE Features: • 1S4 Power Pentode Electron Tube • MFG: RCA Victor • Class A Amplifier • Heater: 1.4 V, 100 mA • Plate: 90 Vmax, 7.4 mAmax • Base: 7-pin miniature • High quality Made in USA • Tube Collector's Discontinued Special Notes: • NOS - [New Old Stock] tube in original box • 1976 Price: Unlisted - Sylvania List - May 1, 1976 • Unused - Price: $100 - One available • S/H included within continental US

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