Jeff R Posted February 26, 2008 Posted February 26, 2008 Latest eBay purchase just arrived ... Seller said they test 100 percent. Three appear to have been never used at all. I don't really know a lot about NOS tubes. I got them because the price was very nice (cheaper than current Mesa-stamped Chinese preamp tubes), and the old Sylvania tube that's in V1 of my Mark III right leaves current stuff absolutely in the dust. On the four tubes I got today, the plates are gray in color, and the getters inside the top are square shaped(?). Any idea how old are they?
Scottcrud Posted February 26, 2008 Posted February 26, 2008 Jeff, if you can afford it, get a RFT 12ax7 and a NOS 70's or early 80's Tesla 12ax7, you'll thank me later.
SteveB Posted February 26, 2008 Posted February 26, 2008 My Mark IV is jealous. So is the IIC+ for that matter.
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