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-   -   6C33C tube socket for GM70 tube?? (http://www.diyaudio.com/forums/tubes-valves/190871-6c33c-tube-socket-gm70-tube.html)

gaborbela 15th June 2011 04:57 AM

6C33C tube socket for GM70 tube??
 
Hello

Can I use 6C33C tube socket for GM70 tube.
Of course I will have to drill up the porcelain to feet for the GM70 legs.
Did anybody ever tried to use that?
Do the GM leads would match with the socket?
I ask these because only I found gold plated tube socket for 6C33C and not for the GM70.
And it is much cheaper!
Yes I know there are teflon tube socket but the price is not for me at least not now.
If anybody has experience with these please let me know.
Thank you:)
Greetings gabor

SVStube 15th June 2011 05:24 AM

Quote:

Originally Posted by gaborbela (Post 2606155)
Hello

Can I use 6C33C tube socket for GM70 tube.
Of course I will have to drill up the porcelain to feet for the GM70 legs.
Did anybody ever tried to use that?
Do the GM leads would match with the socket?
I ask these because only I found gold plated tube socket for 6C33C and not for the GM70.
And it is much cheaper!
Yes I know there are teflon tube socket but the price is not for me at least not now.
If anybody has experience with these please let me know.
Thank you:)
Greetings gabor

Hi, Gabor.
If you have a chance to make more holes in porcelain, it is no problem with the use of the GM-70.
Serhiy

gaborbela 15th June 2011 05:34 AM

Go the original holes is in the right place.
I can make them larger but have to be same pin out the the 6C33 tube.
I look at the picture on the net and they are very similar sockets.
To make the holes larger that OK , but to drill a total new hole that is not OK.
Alter I have to replace the connectors etc.
Thank you for your answer
Greetings gabor

SVStube 15th June 2011 06:24 AM

New holes do not have enough increase in available. Contacts better to replace.

FullRangeMan 15th June 2011 05:14 PM

This is the BIG problema of the GM70 tube, it do not have a good socket as the 6C33 or the Americans big triodes.

If one had some suited lug connectors that fit the tube pins, a low price solution is use a big capacitor belt, it will lasts forever.
The teflon sockets had great sound effect, but a hot tube as the 6C33/GM70 run at 300șC and after some years the Teflon will suffer.

SVStube 15th June 2011 06:35 PM

If you have a mechanic friend, ask him carved collet contacts to GM-70 pins and insert them into the 6C33C socket.

FullRangeMan 15th June 2011 10:35 PM

I have a friend who makes jewelry, I have to talk to him about it.
The rhodium plated is really cheap, about $10 dollars a piece.

Matt BH 16th June 2011 12:20 AM

You can drill porcelain with either a tungsten carbide drill or a diamond coated one. Go steady, its not easy.

I guess you are asking because you already have septar sockets?

Try these:

PAIR NEW Ceramic Tube Sockets for GM70 GM-70 TUBE | eBay UK

Dont know if they are any good.

Cheers Matt.

gaborbela 16th June 2011 02:59 AM

Hello

That cost over $50 2PC with shipping.
I can buy for $6 one of a local store the 6C33 socket, not gold plated.
Also I can buy on the eBay the gold plated version and still cheaper and probably would have better contacts.
I have special drill bit for glass.
Thank you very much. Actually what I wanted to know if I can use the 6C33 tube socket for the GM70.
Yes I can I got the answer.

Greetings gabor

nomiconxp 17th June 2011 05:23 AM

My GM70 amp is working with 6c33c socket!
Just opend two holes a litle!
Gabor no problem


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