(20 votes, average: 3.95 out of 5)
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Tube Maze
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Very, very rare tube. Even more rare than 6922 pinched waist tube. The one I have came from 1957 and has D-getter. Sound wise it’s very similar to Amperex 6922 PW. It’s not as transparent as 6922, but it has the same delicate sound, but sounds a bit warmer, which in some systems would be a plus. Overall a great tube – delicacy of vocals makes this tube very special – unfortunately it’s gone in the later versions of the tube 🙁