Quote:   Thanks, justin.   After I installed the jumpers and changing the fuses, and plug my LCD-3 in GS-1.   GS-1 is quite neutral, really a nice amp with neutral sound and good amount of power.

I guess that, too.   But because there're two 115V to place the jumper, I don't know should I place the jumper on both 115V.   Hope I could enjoy the GS-1 soon.     And Great thanks your helping, Mr. Sneis.

Sorry for using this thread, but I need some help there.   I bought a second Headamp GS-1 from Europe, but I need change the jumper to 115V.   Since justin.w didn't answer me how, so I hope the Owner of GS-1 could take some photo for me.   Here's the bottom of the circuit board, as...