12xa7 jumper wires

a DIY, modified Mullard 5-20 monoblock design

12xa7 jumper wires

Postby audioray » Tue Aug 24, 2004 8:01 am

shanon said to use jumper wires on the 12xa7 sockets pads .
is this the normal way to do it for the 9 pin socket. i am not shure.
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Re: 12xa7 jumper wires

Postby Shannon Parks » Tue Aug 24, 2004 3:34 pm

audioray wrote:shanon said to use jumper wires on the 12xa7 sockets pads .
is this the normal way to do it for the 9 pin socket. i am not shure.


Hi AudioRay,

The jumper wires are needed since I made the footprint compatible with mini-9 or octal sockets (eg thinking of using a 6SL7 in the 6B4 model). Neither socket is the default choice (thus no cuts), but jumpers are needed. The jumpers can be real short pieces of wire - I think .25" will even work. I just surface mount them. So on one pad I pool some solder, then with tweezers I slide the end of the wire/jumper in place. I let the solder cool, and then solder the other side. This is a very simple way of surface mounting parts with a single iron. Just snip the wire in two if you need to remove it.

Shannon
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