Sylvania 5751 Gold Brand Gray Plates, 3 mica

1 Star2 Stars3 Stars4 Stars5 Stars (5 votes, average: 4.80 out of 5)
Loading...

” To my ears it is the the 2nd or 3rd best 5751 ranking up there with the Sylvania & GE black plates. Its strength is its midrange, but it may also be its weakness. The mids here are full, lush, tangible and maybe (just maybe) a trifle overblown. Occasionally i find the lush full vocals obscure just a bit of detail and reduce transparency slightly, but the mids are so lush I could understand how you might not care. ” Read

Continue reading

RCA 5751 Black Plates, 3 mica

1 Star2 Stars3 Stars4 Stars5 Stars (8 votes, average: 4.50 out of 5)
Loading...

“These are old and fine 1950s vintage blackplates, quality on par with the blackplate RCA 12AX7 tubes, and are excellent, sweet sounding subs for the hard-to-find 12AX7. 3 mica spacers with extra side support rods, and the distinctive square getter all add up to vintage quality that will never be made again.” Read

“These are probably the best for Pink Floyd. I hate them for heavy metal though, it sounds muffled. The vocals and highs aren’t really as dynamic as with the Raytheon. Altogether, this is a nice tube for the money. It certainly beats up a lot of others I have experienced.” Read

“The RCA has a nice big and wet bass. It has a rich and creamy midrange which controls sibilants well. On the  downside, brass lacks bite and dynamically, this tube sounds a little bit slow.” Read

Continue reading