Recent content by fantomaz

Hey guys I found out what the problem was: worn out power tubes... The power tubes were changed only six months ago but I use the amp everyday, and I guess the fact that I run the amp in class A with the volume on 10 into a THD hot plate has taken quite a toll on the 6L6... I switched the...

Hey, I've managed to somewhat reduce the problem by switching to the old V1 tube I had (which is a ***** to do) and by using the "bright switch" by pulling the gain pot, and reducing the RHY1 treble to maintain the same level of highs... But I still can't get a totally clean sound with...

Hi guys, I own a super cool Rev A MK IV that I fear has a little problem... RHY 2 and LEAD channel work absolutely fantastic, as usual, but I have trouble getting a clean sound out of RHY 1 with humbucker equipped guitars... I should mention that my amp has been recently totally retubed...

Hi guys, I couldn't find the info with the search button... Does any of you have a manual for the MK IV revision A? I can only find revision B online... :-/ There is a mysterious jack on the underside of the chassis, next to the serial number plate, sort of beneath the Gr EQ selector...

Hi to you all, I have just picked up a nice MKIV rev. A combo SN IV 4320. Did any of you owned this amp previously? There is a jack, probably a modification (my guess would be a reverb switch) just next to the serial plate, does anyone know about this mod? Also, has anyone had experience...