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3S4 RCA NOS U getter 1950's (1 pair)

3S4 RCA NOS U getter 1950's (1 pair)

$ 16.99
1 pair $16) 3S4 RCA NOS 1960's same build
1 tube) 60/38 RCA red printing "U" getter
1 tube) 59/38 RCA rebranded Raytheon no getter halo

 

- Bottlehead Quickie preamp 2010-2013
- WWII Walkie Talkie
- Analog Squared TU-5


 

See more: vacuum tube
Tags: 3S4, Quickie, RCA
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