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UL41 Tungsram Output Pentode Vacuum Electron Tube Audio Amplifier

This is a genuine, vintage, Hungarian made Tungsram UL41 power pentode type electron tube. Good subtitutes - except for heater voltage - are the EL41, 45A5 types. Developed for an output stage for AC/DC, universal receivers as a class A amplifier. A power amplifier pentode can be used for many other circuits like oscillators, transmitters and sound Hi-Fi amplifiers. Excellent for amplifiers, antique radio restoration, radio amateur projects or to set up a private vacuum tube museum. This tube is in excellent working condition.
UL41 Tungsram Output Pentode Audio Amplifier Vacuum Electron Tube [14 KB]


UL41 Output Pentode Audio Amplifier
MFG: Tungsram - Made in Hungary Quality
Class A amplifier, oscillator, transmitter
Heater: 45 V, 100 mA S: 9.5 mA/V
Plate: 170 Vmax, 53 mAmax, 9 Wmax
Grid 2: 170 Vmax, 10 mAmax, 2.5 Wmax
Base: 8-pin Loctal Substitute: EL41, 45A5


Vintage tube Price: $40 Without box
S/H included within continental US
UL41 Loctal 8-Pin Vacuum Electronic Tube Electrode Connections
PIN # 1 2 3 4 5 6 7 8
Electrodes - Heater Anode Grid-2 Grid-1 - Heater Cath,G3
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