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(!!) (#1 12AZ7 Tungsol) 12AZ7 Tungsol black plates

(!!) (#1 12AZ7 Tungsol) 12AZ7 Tungsol black plates "U" getter halo NOS mid-1950's (9.0ma/9.2ma) 2% section balance

$ 14.99

12AZ7 Tungsol black plates "U" getter halo NOS mid-1950's

9.0ma Gm=5500

9.2ma Gm=5400

 

McIntosh MC275

guitar amps - sub for 12AT7 or 12AY7

 

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