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Cutting holes for sockets


 
6/28/2000 12:45 AM
Keith
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Cutting holes for sockets
I'm recycling my school's old 1963 auditorium PA to become an Ampeg reverberocket R-12-R, and I need to enlarge 4 12AU7 socket holes to accept octal sockets. The dang thing's built like a tank with a thick steel chassis, and I'm having lots of trouble accomplishing this. Does anyone know of a good tool or technique for quickly removing steel, but with a bit of finesse? I'm using a Dremel tool with a diamond bit and a round file, but it's mighty slow going. Thanks in advance.  
 
Keith
 
6/28/2000 12:51 AM
Casey4s
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Keith you should use chassis punches to do that. (elecrticians call em "slug bustrers")  
 
Casey4s
 
6/28/2000 2:07 AM
Mitch
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you would have been better working around installing 12ax7s in the ampeg as the 6sl7 and 6sn7 are hard to find good non microphonic tubes.and expensive too.  
Cheers
 
6/30/2000 4:35 AM
mark jones
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I have seen 6sl7s for less than ten bucks...the teslas are usually decent.
 
7/2/2000 12:13 PM
Max
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Hi!  
 
The solution,a steped drill!  
 
Best regards.  
 
Max.
 
7/4/2000 4:00 PM
Keith
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Thanks for all the input! I ended up using my trusty step drill bit and the old round bastard file. A bit of elbow grease, but all the tube sockets are in with no major casualties. I just don't have the patience to wait a week to order a punch, but I know I will have to get one soon. Thanks again!  
 
Keith
 
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