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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)) Image 1
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(!!!) (Recommended Pair) 12AZ7A Sylvania black plates NOS 1960's same build (8.2/9.8ma and 8.4/9.8ma)) Nav Image 1

(!!!) (Recommended Pair) 12AZ7A Sylvania black plates NOS 1960's same build (8.2/9.8ma and 8.4/9.8ma))

$33.99 $39.99


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12AZ7 12AZ7A all MC275 McIntosh preamp tubes


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Preamp tubes
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  • Description

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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