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WTB 3A/110A, CV1664 tube socket search

Wanted to buy
I haven't got any uv4 tube nor sockets, but my understanding is that the pins are shorter and all the same diameter. Whereas the ux4 which is more common has longer pins and the heater pins are fatter than the grid & anode pins. So I think using a ux4 would be a bad decision. Jakeband and yamamoto are boutique current manufactures of uv4.