Brimar thermionic’s 5U4G provides smooth full wave rectification for high fidelity amplifiers. Inside the ‘G’ type bulb you will find dual plates heated by a dual 5 Volt heater.
Often used in class A amplifiers, this rectifier or “dual diode” valve will complete your high end system especially where excellent controlled smoothing is required.
Modestly priced, this electron tube, when set-up correctly should provide years of trouble free service (Max smoothing capacitance 33µF choke min 3H).
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Each tube is scrupulously tested and only the best get badged with the Brimar thermionics logo. We hope you enjoy our selected products and with each purchase you will be bringing us closer to British valve manufacturing again.