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(!!!) (Recommended Pair) 12AZ7A Sylvania black plates NOS 1960's same build (8.2/9.8ma and 8.4/9.8ma))
(!!!) (Recommended Pair) 12AZ7A Sylvania black plates NOS 1960's same build (8.2/9.8ma and 8.4/9.8ma))
$ 39.99
1 pair) 12AZ7A Sylvania black plates NOS 1960's
1 tube) 8.2/9.8ma and Gm=4600/5000
1 tube) 8.4/9.8ma and Gm=4600/5200
Good Ma range 8-10ma
Good Gm range 4500-5500
- 12AZ7A is very similar to 12AT7
- 12AZ7A in McIntosh MC275
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