Tube Amps / Music Electronics
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|6/21/2003 2:32 PM|
Okay, I'm finally going to get off my ass and turn those two piece of shit 5150's I have, into real slo's. I might make one opto version, and one relay version. now my question: Where do I get that bare buss wire that they use on the preamp tube heaters, and the pots, and what gauge?, and also what gauge of wire do you other slo builders use on the preamp and poweramp tubes. I want to get as close as I can to what they use at Soldano.
|6/21/2003 5:35 PM|
Just wanted to say that you should not use bare buss wire on the heaters -- that would be a no no....
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|6/21/2003 5:49 PM|
all the slo pictures, unless I'm mistaken, show what looks to me like bare buss for the heaters on the preamp tubes.
|6/21/2003 6:17 PM|
Tektronix used a similar bare wire heater bus for their tubed equipment when possible, the sockets have to be at the proper angle to slide the wire straight through, it is a little more difficult to service since if you ever need to remove a socket, you will have to clip the bus at that point, but when reassembled reliability was not a problem.
|6/21/2003 7:13 PM|
Using bare heater wire is just asking for trouble and I can't think of a single reason to do it.
|6/21/2003 7:42 PM|
Getting back to the heart of the matter. what gauges do you guys prefer for preamp, and poweramp. What's a good quality type of pvc coated to get. I've been using cheap stuff.
|6/21/2003 10:05 PM|
I'm sure Mouser has plated buss wire in various gages. Soldano uses Teflon tubing to insulate the wires. I recommend you do the same. I like the cleanliness of the sockets when they are harnessed this way. If you ever need to replace a socket you clip the top of the socket terminals, not the wires! Do the same with the replacement, slip the wires into place, bend the terminals back to their original shape and solder. The only reason I can think of to not do the preamp tubes with buss wire is possible hum pickup do to the wires not being twisted together. I don't know if this is really a big issue in a guitar amp though. You'd have to try it and see.
As for gages, I'd say #16 or #18 for the heaters and #20-22 for everything else.
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