#1
my drummer has just got a YGM-3 Guitar Mate from the 70's and he wants to replace the tubes i have had no experience with replacing tubes so how many would he need and what types of tube?

if there is any more info needed please ask and i will find out asap
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#2
DONT PUT IN NEW TUBES BY YOURSELF WITH NO EXPERIENCE YOU WILL GET SHOCKED!
take it to a pro he'll do it also you need to put the same exact tubes in it but if you change the tubes it has to be re calibrated and that should cost around 200. even if you cut the electricity out you will still get shocked and maybe die trust me, my friend tried and had to go to the hospital and got 2nd degree burns and couldnt play guitar for a while
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#3
^..Have you ever replaced your own tubes? There really isn't a danger to it. As long as you're not actually fooling around with the circuit board...

You should probably look inside, and see the details. You'll be able to see all the tubes, and they each have model numbers on them.

A quick Google search have also revealed what kind of tubes are in it.

That said, a pair of JJ EL84's would be great for the power amp section, and for the preamp, go with Tung-Sol 12AX7's.
Last edited by forsaknazrael at Jul 3, 2008,
#4
Quote by Remsen
DONT PUT IN NEW TUBES BY YOURSELF WITH NO EXPERIENCE YOU WILL GET SHOCKED!
take it to a pro he'll do it also you need to put the same exact tubes in it but if you change the tubes it has to be re calibrated and that should cost around 200. even if you cut the electricity out you will still get shocked and maybe die trust me, my friend tried and had to go to the hospital and got 2nd degree burns and couldnt play guitar for a while


First of all, There isnt much danger in replacing tubes AS LONG AS THEY ARENT HOT (which was probably your friends douschebagery).

recalibrated? Rebiasing (which is what i hope you meant) will not cost more than the tubes cost, a good tech wont charge more than 50 bucks to bias the power tubes.

and just to be a prick

Quote by forsaknazrael

That said, a pair of JJ EL84's would be great for the preamp, and go with Tung-Sol 12AX7's.


EL84's for the power amp my friend

(i'm positive you know what your talking about, but being a douschebag can be good fun)
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#5
Quote by Remsen
DONT PUT IN NEW TUBES BY YOURSELF WITH NO EXPERIENCE YOU WILL GET SHOCKED!
take it to a pro he'll do it also you need to put the same exact tubes in it but if you change the tubes it has to be re calibrated and that should cost around 200. even if you cut the electricity out you will still get shocked and maybe die trust me, my friend tried and had to go to the hospital and got 2nd degree burns and couldnt play guitar for a while

lolwut?
Since when does glass conduct electricity?
You wont get shocked by touching a glass tube.
He wont have to put the same tubes in, just the same type.
And it will probably have to be biased, costing maybe 50 dollars at the max. Your friend is an idiot, and touched a capacitor. That is why he got 2nd degree burns. Thats because capacitors hold charge even after you unplug it.
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#7
just use 1 HAND and put the other one in the toaster while doing it - you'll be fine...
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