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  • (!!!) (Best Sylvania Pair) 12AZ7A Sylvania black plates NOS 1960's (14.2/14.6ma and 12.6/12.8ma)
(!!!) (Best Sylvania Pair) 12AZ7A Sylvania black plates NOS 1960's (14.2/14.6ma and 12.6/12.8ma) Image 1
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(!!!) (Best Sylvania Pair) 12AZ7A Sylvania black plates NOS 1960's (14.2/14.6ma and 12.6/12.8ma) Nav Image 1

(!!!) (Best Sylvania Pair) 12AZ7A Sylvania black plates NOS 1960's (14.2/14.6ma and 12.6/12.8ma)

$33.99 $39.99


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12AZ7 12AZ7A all preamp tubes


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  • Description

1 low noise pair) 12AZ7A Sylvania black plates NOS 1960's

1 tube) 12.6/12.8ma Gm=6600/6800

1 tube) 14.2/14.6ma Gm=6800/7000

 

Good Ma 8-10ma

Good Gm range 4500-5500

 

- 12AZ7A is similar to 12AT7

- 12AZ7A in McIntosh MC275

 

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