My NOS Sylvania 274B tubes have finally arrived. Since it is a NOS sticks, I would have to cut open the bottom of the box in order to take out the tubes from the boxes.
These tubes were made during Dec 1942 and Jan 1943, during World War Two for the US Navy. Imagine, after all these years of storage, these tubes finally got their chance to be part of the "action"..
The sound stage for the 274B tubes are deeper then the U52. Both charatristics are different as you can imagine the U52 having a smoother and warmer sound while the 274B has a deeper sound as well as analytical sound. I like both the sound, I must say.. : ) Maybe we call call them the GEC U52 British sound while the 274B as US sound?
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