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EF85 Sharp-Cutoff Pentode Telefunken Vacuum Electron Tube RF VHF

This is an original Telefunken EF85 Sharp-Cutoff RF Pentode electron tube. Subtitutes are the EU22, 6BY7. The EF85 is a great general purpose, wide-band pentode. The tube is useable in VHF television and radio, SW, FM receivers. An RF/AF pentode is useable for many other circuits, oscillators and amplifiers. Excellent for antique radio or television restoration projects, instruments or to set up a private vacuum tube museum. It is a NOS tube - New Old Stock, unused, excellent condition.
EF85 Sharp-Cutoff RF Pentode VHF Telefunken Vacuum Electronic Tube [9 KB]


EF85 Sharp-Cutoff Pentode
MFG: Telefunken - Quality Made in Germany
RF Amplifier, Oscillator
Heater: 6.3 V, 300 mA
Plate: 250 Vmax, 10 mAmax, 2.5 Wmax
Base: 9-pin glass Substitute: EU22, 6BY7, 6K13P


NOS - New Old Stock tube Without box
Unused - Price: $30 - One available
S/H included within continental US
EF85 Noval 9-Pin Miniature All Glass Vacuum Electronic Tube Electrode Connections
PIN # 1 2 3 4 5 6 7 8 9
Electrodes Cathode Grid-1 Cathode Heater Heater Shield Anode Grid-2 Grid-3
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