4Pin Tube Socket
4Pin Tube Socket
 
2PCS Amplifier 4Pin Tube Base Bakelite Socket 300B 2A3 U4ATriode Valve DIY Repair
 
For 2A3, 811A, 300B, 5Z3....

Outside diameter:34.50mm

Inside diameter: 28.10mm

Height: 27.9mm

Used for triodes, rectifiers, same size as base found on 2A3, 300B, etc. Made your own tubes.

Repair your present tubes and adapters

 

 

 

 

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