12D4 Sylvania Half-Wave Rectifier Electronic Tube

This is an genuine, vintage Sylvania 12D4 Electronic Tube in it's original box. A collector's special, antique vacuum tube. These tubes typically used as half-wave damper rectifiers to provide multi kilovolt anode voltage for television (TV), photomultiplier and special purpose circuits. Excellent for restoration projects or to set up a private vacuum tube museum. It is a 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: • 12D4 Half Wave Rectifier • Sylvania Electronic Tube • High Voltage Damper Rectifier • Heater: 12.6 V, 0.6 A • Plate: 4,400 Vmax (4.5 KiloVolts) • Current: 900 mA maximum • Base: 8-pin octal • High quality Made in USA • Tube Collector's Special Notes: • NOS - [New Old Stock] tube in original box • 1976 Price: $4.05 - Sylvania List - May 1, 1976 • Unused - Price: $20 - One available • S/H included within continental US

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