Recent content by Valtsu

About 100 days later my Carbine amp is back in town. Big thanks to Mesa. I never tought this could happen. Got to get to my band cave tomorrow and check what has been changed!

New relay installed. It worked 2 hours and then it all started again. But today the miracle happened, I got an email from Mesa and call from our local distributor. My amp goes back to the factory and mods will be made for free

Just swapped the yellow speaker wirings so that signal bypass the switching relay. The only drawback is some noise when the power is switched on or off, even if the mute is on. Should be much more reliable now! Have to be tested next week if the amp still cuts out. At least I can go and play...

Too long way from here to Petaluma. I wouldn't dare to send it and my M9 is very early production from 2008, so it has passed that 5 years warranty. I talked to our importer if they know anything about these mods that they could do here in Finland - They don't, but promised to ask advices from...

The quick and dirty installation of an extra 80x80 mm fan and all fuse holders resoldered. Now the gain is working properly, it can be pushed all the way up if necessary. Still it is cuting out poweramp but I found what is causing it. Just like I thought the switching relay has some malfunctions...

There are 1 main fuse on the back + 1 thermal fuse on the back (connected to the main power transformer) + 2 fuses inside on PCB (one is covered with plastic shield). I checked those fuses on PCB, looks good, but I resoldered them. Anybody having the Schematic of it? Here are some photos from...

#1 I have been reading this megathread to find out if my Mesa M9 preamp works normally. If I push it more than 11 o'clock the sound starts popping off. I mean sharp bang noice and maybe half a second powerloss after that. I just wondered why, since this is tube preamp and it should work fine all...