Full wave rectifier tube, beautiful ST-shape bulb and black base.
5U4G (5Ц3C / 5Z3S)
Made at the Svetlana factory St. Petersburg.
Since Svetlana stopped producing glass tubes years ago these tube can be expected as NOS.
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Rectifier valve
Bought rectifier as my equipment arrived without one. Was delighted to have been able to source one from NZ tubes. Arrived in 2 days, stoked to get my piece of kit going. Works flawlessly and was very well packaged. Will without hesitation buy tubes from NZ tubes again.
