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(!!) (Best Single) 13EM7 RCA coin-base black plates NOS 1970's (2.7/47.2ma)

(!!) (Best Single) 13EM7 RCA coin-base black plates NOS 1970's (2.7/47.2ma)

$ 10.99

13EM7 RCA coin-base black plates NOS 1970's

2.7ma Gm=2100

47.2ma Gm=6800

SINGLE, NOT A PAIR

 

Matched on Amplitrex

Good Ma triode #1 = 1.2-1.4ma

Good Gm triode #1 =1400-1600

 

Good Ma triode #2 = 30-40ma

Good Gm triode #2 = 5500-7000

 

 

- Modwright

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