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I'de like to chime in on something brought up earlier regarding the changing of the gain pots. I tried using the 1meg pots in my red and orange channels. While yes, it vastly increases the gain on tap you can send to the preamp, it has also introduced a ton of white noise, that I am finding...

I've come to the same conclusion as all of you have recently. The Rectifiers have so much gain on tap, there isn't a real need to boost them. I feel that all the dynamics are lost when you boost. Which is interesting because I pretty much exclusively play death metal. @JCDenton6, you...

@jdurso losing a little bit of dynamics, tubes are less than year old , but with new production tubes, they may need replacing. @screaming daisy, amps eq was set at volume. Think you are on to something with the eq shifting due to speakers being pushed.. Ill change the master/output settings...

I have noticed something with my amp that I would like some advice on how to killl, or I'll just have to deal with. This concerns the red channel on my 3ch dual. Settings are as thus(so we are on the same sheet of music): Presence: 10:00 Master: 1:00 Gain: 11:30(gain pot is 1M) Bass and...

I have long since stopped trying to emulate anyone else's tone, but I have to figure this guys tone out. For the life of me I do not know he gets the base of his tone. Well, a Mesa 2ch. Dual is a given. This is what Piotr has used for almost every recording until he switched to Laboga. Even...

Now that the headstock is broken and once repaired it will be a true Gibson now. :lol: This is something I was always told when I was younger. A Gibson isn't a Gibson until the headstock has been broken off and repaired. Not to make light of your friends guitar because anything like that...

From my experience with tube amps and accidents like what you experienced. Best case scenario, blown power tubes and screen/grid resistors. Worse case scenario, blown power tubes, screen/grid resistors, shorted out tube sockets, burnt board traces, blown power transformer, shorted out...

I think you answered your own question man. Get yourself one of the 3ch rectifier amps. You can get just about any tone out of them with playing with the settings, including getting something similar to an old non master volume Marshall, that will convince others you're actually playing...

@JCDenton, I think I will try that before the cap in the D power rail. Thanks guys for all the time and bigtime effort directed towards unlocking these amps. I loved my tone tonight from the little I heard of it. Never fails in this city. FOH always sounds nice. Stage always I mean always...

Yeah 6550's would give good headroom. Another thing I wondered. Does anyone know what Henry the chokes have been through the various revisions? I know in Marshalls using different valued chokes affect the stiffness or looseness of the amp overall. Has anyone researched this? Looking at the...

Thanks man.

Ok, Went out for a little bit to dial in the amp post gain knob swap. I very much like both changes. While yes the 1M pot in ch.3 gets very wooly after 12:00, it is still usable, though not for what I am wanting it for. Right now I have it set to about 11:30 which gives tremolo picking...

I own 34738 and was told it was made in 2004.

Not sure about the size, nor sole purpose of the bolt, such as stopping vibration/grounding, etc.. But call Mesa on Monday. They will ship you out the correct part.

Apeman, too late already swapped pots out. If I like the pots, I will call Mesa next week and order their part as I am using two normal sized Alpha pots. This way everything looks stock. What I am mainly after is more usable gain out of the amp without having to resort to a gain box as clean...

Hey Apeman, Yes I know the cap goes after the resistor, not between the socket pin and the resistor. Sorry if I wasn't descriptive enough. I was asking others who have done this to a 3ch., if it is easier to place it close to the resistor, or closer to the other end of D power rail, closer to...

Yes Dimed is maxed out. The term comes from when people would use numeric values to describe their settings like on a Marshall or Fender, etc.. amp. In the States we have a coin for $.10USD called a dime. So if you set a particular amp setting all the way at "10" the slang evolved into...

I read this thread a couple times and would like to have a go with some of the mods described. I have a 3ch dual(non multiwatt) and from my reading is that the first change would to be installing a 1M pot in the red channel for the gain pot. There are a couple of other resistor/capacitor...

Video someone took of my band's last gig. http://www.youtube.com/embed/MA2tkPO1mTk

My band LaSanche is playing The Korova Basement this coming Saturday as well as the following saturday at same venue. LaSanche is Blackdeath metal. The Korova is on 107 East Martin St., San Antonio, TX 78205 The 19th we go on at 11:00pm. I would really like to get as many heads out for this...