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Re: [Amps] Solder in pins for fabrication of A 3CX800A7 socket

Subject: Re: [Amps] Solder in pins for fabrication of A 3CX800A7 socket
From: Steve <>
Date: Wed, 5 Jul 2017 16:52:15 +0100
List-post: <>
I made a homebrew socket that way many years ago. I'm fairly sure the pin size was 1.0mm. I got some sockets which were open both ends so the exact length wasn't important. I'll try to find the leftovers for the p/n, I'm fairly sure they were from Harwin.

BTW, the screen ring from a dismantled 4CX250 base fits the 3CX800 grid ring a treat.


On it's way to me from a faraway land is a PCB that is designed to be part of a 
socket for a 3CX800. It has 2.5mm clearance plated through holes. I need some 
solder in pins to make it into a working socket. I do not know the diameter of 
the 3CX800 pins, I assume that such pins must exist or the PCB would never have 
been produced in the first place. Could someone point me to some suitable 
solder in pins with a 2.5mm outside diameter and a hole suitable for a snug fit 
to the 3CX800 pins?

Failing that the diameter of the tube pins would suffice. Yes I have a tube in 
an amplifier and yes I can measure it myself but I am sure someone will already 
know the answer to this and it saves me dismantling it until I am really ready 


Conrad PA5Y

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