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E83F Sharp Cutoff Pentode Tungsram SQ Hi-Rel Vacuum Electronic Tube AF RF Amplifier

This is an original, high reliability Tungsram SQ E83F Sharp Cutoff Pentode electronic tube. Nearest good subtitute is the 6689. This 10,000 hours certified, high reliability, shock and vibration resistant industrial tube is designed for AF [Audio Frequency] and RF [Radio Frequency] amplifier use. Excellent part for replacement, antique radio, instrument or television restoration, circuit research, amateur radio experimentation. It is a NOS tube - New Old Stock, excellent condition.
E83F Sharp Cutoff Pentode Tungsram SQ AF RF Amplifier Hi-Rel Vacuum Electronic Tube [16 KB]
HARD TO FIND - EUROPEAN VACUUM TUBE

Features:

Sharp Cutoff Pentode
RF & AF Amplifier, Oscillator SQ Industrial Tube
MFG: Tungsram - High quality Made in Hungary
High Reliability - Robust make, Low noise
Heater: 6.3 V, 0.3 A Substitute: 6689
Plate: 210 Vmax - 2.1 Wmax Cathode: 16 mAmax
Base: 9-pin all glass noval

Notes:

NOS - [New Old Stock] SQ tube Without box
Unused - Price: $40 - One available
S/H included within continental US
E83F Noval 9-Pin Miniature All Glass Vacuum Electronic Tube Electrode Connections
PIN # 1 2 3 4 5 6 7 8 9
Electrode Grid-2 Grid-1 Cathode Heater Heater Anode I.C. I.C. G3, Shield
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