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12SA7Y RCA brown bottom NOS 1955 (4.7ma) Image 1
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12SA7Y RCA brown bottom NOS 1955 (4.7ma)

$7.99 $8.99


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12SA7 all metal can preamp tubes RCA


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Preamp tubes
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  • Description

JAN-CRC-12SA7Y RCA brown bottom NOS 1955

4.7ma

Gm=1300

 

Good Ma = 3.5ma

Good Gm = 1100-1200

 

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