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(!!) (Recommended Pair) 12AZ7=12AZ7A GE branded Admiral/Westinghouse black plates NOS 1960 (9.0/9.4ma and 9.2/8.0ma) (McIntosh MC275)
(!!) (Recommended Pair) 12AZ7=12AZ7A GE branded Admiral/Westinghouse black plates NOS 1960 (9.0/9.4ma and 9.2/8.0ma) (McIntosh MC275)
$ 39.99
1 pair) 12AZ7=12AZ7A GE branded Admiral/Westinghouse black plates NOS 1960 same build
1 tube) 9.0/9.4ma and Gm=5000/5400 (12AZ7A Admiral)
1 tube) 9.2/8.0ma and Gm=5200/5000 (12AZ7 Wwestinghouse)
Good Ma range 8-10ma
Good Gm range 4500-5500
- 12AZ7A is very similar to 12AT7
- 12AZ7A in McIntosh MC275
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 (Recommended Pair) 12AZ7=12AZ7A GE branded Admiral/Westinghouse black plates NOS 1960 (9.0/9.4ma and 9.2/8.0ma) (McIntosh MC275) "Pin It")
 (Recommended Pair) 12AZ7=12AZ7A GE branded Admiral/Westinghouse black plates NOS 1960 (9.0/9.4ma and 9.2/8.0ma) (McIntosh MC275)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_32c38483-f27c-4401-8f13-f4cd031a7270.jpg?v=1744054156){kind=link}