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(!!) (~ Recommended ~) 5R4GB GE black base NOS 1960's (50/40 and 52/40)

(!!) (~ Recommended ~) 5R4GB GE black base NOS 1960's (50/40 and 52/40)

$ 19.99

5R4GB GE black base NOS 1960's

50/40

52/40

 

 

5R4GB black base = 5R4GYB with brown base

- tube plugged into octal socket for picture

 

- Decware

- DIY

 

(900 rms volt rating per diode section)

See more: vacuum tube
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