Search results

hm i guessed... tell me, there are sound differences if I crank up the output level instead of (for instance) master volume of ch3? doesn't it cares?

yesterday, first gig whit my mark V... I had to balance volume output in this way ch1: gain h11:00, Volume h12:00 ch2: gain h15:00, Volume h9:00 ch3: gain h15:00, Volume h8:30 (exremely low) - extreme mode OUTPUT level: h13:00 in this way, i Have ch1 and ch2 with the same output...

thank you!! I will try soon, and I'll let you know ;)

yeah i'm wondering the same thing

http://forum.grailtone.com/viewtopic.php?f=33&t=48205 this link above is the thread posted yesterday talking about sintoms...

Hello, I think to have some microphonic preamp tubes, but I don't know how to verify them because back the chassis i can see just the final tubes... i tryed to open the front of the chassis removing the 4 screws but i can't do it.. (is this the right way?) can you please help me?

I did some tests this morning and i discovered that this problem is present only on channel 1, with the loop FX on. When the FX loop is switched off, if i put master knob of channel one all the way up, doesn't squeal, but i can ear some strange noise or "bump" changing... Can you tell me (if...

ok I have red the owner's manual about tube failure, and i think my problem as you said is about microphonic preamp tube, maybe the V6b (Effects return stage) since it squeal only when the fx loop is activated and I increase the output knob wich controls also the Effects return volume... does...

hi there, I've bought 1 month ago a brand new Mark V amp with a 2x12" stiletto's cab when I set clean channel (gain: h12, Master: h12) and the output knob (with loop fx activated) more than h12 it starts to make noise VERY a loud!! like a thin and crazy whistle, even with my guitar unplugged...