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Right now i'm replacing all the op amps with new ones to try to get rid of some of the hiss on this thing. Anybody else with one of these know if the components In the picture are stock? Merry Christmas

Well, that's kinda what I thought. Like I said, It seems to have no effect on the operation of anything. I assumed someone was trying to change the crappy distortion that these things have. Take care.

Hi all. I have a jc 120h and I was wondering if any of you can tell me if yours has these 3 components on the bottom of the PCB? As you can see in the picture, I have them all disconnected and the amp seems to function fine. I just found it odd that they would be on the bottom, and the solder...

Interesting. Thanks for letting me know.

Well in the 120H operation manual, it says 8ohm or 4ohm on the output connections. Check it out.... page 4. http://media.rolandus.com/manuals/JC-120H_OM.pdf Thanks for the advice though. Take care.

Sweet. Ya, I had a Mark V i bought direct from boogie. Had to sell it for cash to pay off debt later. I miss it so. Do you happen to have a sound clip for your said clean tone? I would like to here it. Take care.

Hey man. I just got one of these, and I had some similar questions so I called roland. If you notice on the outputs, it says "8ohm/min" per channel. The guy at roland told me the running 16ohm speakers would damage the amp because it wasn't drawing enough power. He said 8ohms per channel is...