Tube socket repair

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Tube socket repair

Post by frank1956 on Wed Jun 18, 2014 10:42 am

Hi everyone,
Have a question on a tube socket repair. I have a silvertone 3004 that I am working on, went to remove a capacitor from the tube socket and the clip broke off. From the looks of it was already in bad shape. Is there any way to repair it without having to replace the entire socket? Would like to keep it close to original as possible. The tube socket in question is the 12BA6 7 pin-base. Thanks
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Re: Tube socket repair

Post by 35Z5 on Wed Jun 18, 2014 11:30 am

Depends on socket, a pict would be helpful..

As a general, if it's a wafer socket(openings size of tube pins) plan on replacement but with most Bakelite sockets(ones with sort of a D shape opening), the terminal can be replaced...

Assuming Bakelite, if you have another like socket with unused terminal look closely at it, there will be a small dimple in the terminal just where it exits through the bottom... Flatten the bulged side and use needle nose pliers to push it out through the top... Remember to catch the terminal with only a small portioned exposed, if you try to push it all out at once it'll no doubt bend...

Best would be rob a unused pin from same radio, not all mfgrs pins will interchange...
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Re: Tube socket repair

Post by Motorola man on Wed Jun 18, 2014 12:41 pm

If you're lucky, sometimes there's enough of the contact left to solder to. As tempting as it may seem, DO NOT solder anything onto the tube pin. That's a common shortcut that people have used for many years, but it only causes trouble when it comes time to pull the tube.
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Re: Tube socket repair

Post by frank1956 on Wed Jun 18, 2014 1:20 pm

[quote="35Z5"]Depends on socket, a pict would be helpful..

As a general, if it's a wafer socket(openings size of tube pins) plan on replacement but with most Bakelite sockets(ones with sort of a D shape opening), the terminal can be replaced...

Assuming Bakelite, if you have another like socket with unused terminal look closely at it, there will be a small dimple in the terminal just where it exits through the bottom... Flatten the bulged side and use needle nose pliers to push it out through the top... Remember to catch the terminal with only a small portioned exposed, if you try to push it all out at once it'll no doubt bend...

Best would be rob a unused pin from same radio, not all mfgrs pins will interchange...[/quo



Not sure how to upload a pic. Have tried several times with no luck. Any help thanks.
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Re: Tube socket repair

Post by frank1956 on Wed Jun 18, 2014 9:12 pm



Broke off between the green and brown wire about 3 o'clock position,
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Re: Tube socket repair

Post by 35Z5 on Thu Jun 19, 2014 1:24 am

Wafer, it's history... The way they are assembled you'll have to remove it, then figure out how to get it apart without destroying it..

I suppose you could clean the tube pin holder portion and solder a wire to it(be careful not to fill the gap)... Run to a added lug nearby and connect the cap and other components to that...
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Re: Tube socket repair

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