Can any out there id this tube? And, can you recommend a use SET/PP? I acquired these at a flee-market. I also have other tubes. loads of 12AX7 and some 12AU7 and some 12AT7 and of course a few 6SN7 But back to this..... this tube has the following writing RCA 68-43 and has six pins surrounding a bakolite center.
The next is a Majestic 80 What ever that means. Reads like it is a good tube. It has 4 pins much like a 300B or 2A3 has.
The next is a Majestic 80 What ever that means. Reads like it is a good tube. It has 4 pins much like a 300B or 2A3 has.
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