RCA 5963 Black Plates

1 Star2 Stars3 Stars4 Stars5 Stars (6 votes, average: 4.17 out of 5)
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“A really fine blackplate from the 1950s, many audiophiles feel these outperform most of the other NOS 12AU7 tubes. Ranked on par with the European brands! “ Read

“Smooth and sweet, but bargain prices. Not side getter, but still has that great RCA sweet and smooth sound.” Read

“very smooth tube with no weaknesses. Very good top to bottom” Read

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