“I do believe I’m in love. The Raytheon black plate 3 mice (1961)
is truly wonderful. I do like it better even than a GE BP 3-mica (1957).
clarity, dynamics, bass. yum.”
” Sweet and smooth Raytheon 5751 tubes with the rare four bladed windmill shape top getter. Rich and smooth tone with quiet background.” Read
“RCA black plate is nice all around but not as clear and low distortion as the EE.” Read
Yet again. Very view reviews are available on Internet. See reviews from this site in comments.
“This Russian tube is full bodied and bright with a more straightforward presentation. It packs a lot of bite with its higher than normal gain.” Read
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Now this is just wrong. I found this tube in the pile of Chinese tubes that I keep because I can’t through them away (there is something about tubes that stop me from doing this) and nobody would buy them for any reasonable price. This is 12au7 that came with one of my amps. If you look at the metal divider that separates two plates you will see dirt on that divider. If you’ve dealt with NOS tube you know that they can be dusty and it’s hard to clean them without removing the silk screen. The same durst is present inside of the tube!!! Wholly Sh*****!
Very little is written about this tube. It’s practically unknown, but at the same time it’s a fantastic replacement for 12au7
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“I can’t remember who, but some here recommended that I try out a Raytheon 12AX7A in my V1 instead of the RCA I have in there. Man, am I impressed!!!” Read
” As a class of tubes, the black plate Raytheon are truly superb–equal to the best of the RCA. The Raytheon sound has a hint of darkness added to the detail.” Read (source is gone)
Vacuum Tube Valley magazine in the 12ax7 shout out rated this tube the highest of all other tubes.
“sonicly between the Telefunken’s tremendous dynamics/speed/ details and the long plate Mullard’s/Amperex’s warmth/rich timbres/image density.” Read
“These are the best sounding 12AX7 tubes I’ve ever heard and for the price there is nothing that comes close in clairity and gain then these do in my opinion.” Store Reviews
Continue readingFound this very interesting site about vintage tubes. Great resource for beginners!
