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12SF5 US Brands NOS (5 in stock)

12SF5 US Brands NOS (5 in stock)

$ 3.99

12SF5 US Brands NOS

1) RCA Victor 1948 1.2ma Gm=1600

1) RCA 1.0ma Gm=1500

1) RCA 0.7ma Gm=1400

1) RCA 1948 some surface rust around bottom edge of can 1.4ma Gm=1600

1) Raytheon 1.5ma Gm=1600

 

 

 

 

- David Berning phono preamp

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