2PC 4Pin Tube Base GOLD Ceramic Socket U4A 300B
For 2A3, 811A, 300B, 5Z3....
Outside diameter:1.375"
Inside diameter: 1.120"
Height: 1.125"
Used for triodes, rectifiers, same size as base found on 2A3, 300B, etc. There is a brass locator rod on side of base between the two smaller pins. Made your own tubes.
2pcs Ceramic 4Pin Tube Socket Base GOLD U4A 300B For 2A3 811A 300B Guitar Amp
Gold 4pin tube Socket
2PC 4Pin Tube Base GOLD Ceramic Socket U4A 300B
For 2A3, 811A, 300B, 5Z3....
Outside diameter:1.375"
Inside diameter: 1.120"
Height: 1.125"
Used for triodes, rectifiers, same size as base found on 2A3, 300B, etc. There is a brass locator rod on side of base between the two smaller pins. Made your own tubes.
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