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E81L Power Pentode Tungsram Hi-Rel Vacuum Electronic Tube AF Amplifier

This is an original, high reliability Tungsram E81L Power Pentode electronic tube. Nearest preferred subtitute is the 6686 or the good EL861. This 10,000 hours certified, high reliability, shock and vibration resistant industrial tube is designed for AF [Audio Frequency] and RF [Radio Frequency] amplifier, oscillator use. Excellent part for replacement, antique radio, instrument or television restoration, circuit research, radio amateur experimentation. It is a NOS tube - New Old Stock, excellent condition.
E81L Power Pentode Tungsram AF Amplifier Hi-Rel Vacuum Electronic Tube [17 KB]
HARD TO FIND - EUROPEAN VACUUM TUBE

Features:

Power Pentode - Hi-Rel
DC & AF Amplifier, Oscillator Industrial Tube
MFG: Tungsram - High quality Made in Hungary
High Reliability - 10,000 Hrs. life
Heater: 6.3 V, 375 mA Substitute: 6686, EL861
Plate: 210 Vmax - 4.5 Wmax S: 7.8 mA/V
Base: 9-pin all glass noval

Notes:

NOS - [New Old Stock] tube Without box
Unused - Price: $50 - One available
S/H included within continental US
E81L Noval 9-Pin Miniature All Glass Vacuum Electronic Tube Electrode Connections
PIN # 1 2 3 4 5 6 7 8 9
Electrode Shield Grid-1 Cathode Heater Heater Shield Anode Grid-2 Grid-3
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