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My Marshall "breaks up" too much and ends up sound



 
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sylvanknight
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Joined: 10 Aug 2003
Posts: 4

Location: Rockville, MD

PostPosted: Sun Aug 10, 2003 8:31 am    Post subject: My Marshall "breaks up" too much and ends up sound Reply with quote

[/i][/b]I have a 2204 50w Lead head w/ N.O.S. tubes. I run a Boss MT-2 Metal Zone Distortion pedal, too. I can get the amp sounding great at about 1/3rd volume but as soon as I try to increase the volume the sound gets real mushy and ends up sounding like the speakers are blown (which they are not).Any suggestions on how to tighten this thing up as I like to play very fast death metal using a less paul with DiMarzio Tone Zone pickups and I just can't hear the single notes in my solos very well. Help me sound more like SLAYER please! #evil
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TimC
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Joined: 18 Mar 2003
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Location: Lone Pine, Ca.

PostPosted: Sun Aug 10, 2003 9:39 am    Post subject: Reply with quote

sylvanknight, you might try replacing the 12AX7 in the V-1 position with a 12AU7. This will calm down the lead channel, but will probably reduce the volume of the clean channel also. Also having the power tubes re-biased will eliminate some of the early break-up. The tubes will last longer as a added benefit.
Let me add, I've seen the same thing with a set of power tubes that are just too "soft". I've got a set of KT-88's that start breaking up at about 3. No note definition at all past about 7. Brand new tubes can be this way. In the Groove Tube system, these would be marked as 3's I believe.
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sylvanknight
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Joined: 10 Aug 2003
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Location: Rockville, MD

PostPosted: Sun Aug 10, 2003 6:50 pm    Post subject: Reply with quote

TimC., thanks for the advice. Only problem is that my 2204 doesn't have two channels. Does the same advice apply? And the power tubes were replaced about a year ago and biased. Do you think a compressor might help? Thanks again. \m/ stay true \m/ #evil
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TimC
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Joined: 18 Mar 2003
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Location: Lone Pine, Ca.

PostPosted: Sun Aug 10, 2003 6:54 pm    Post subject: Reply with quote

sylvanknight, I think some amps are so touchy that good hot humbuckers will cause the problems your describing. What I meant by two channels on your amp was the two different inputs; normal and hi-gain. I'd borrow a compressor to check it out. I spent some $'s on one once and after I played with it some, it's now unused. Try that 12AU7. Or try with the guitar volume down a tad to see if it still breaks up so early.
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sylvanknight
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Joined: 10 Aug 2003
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Location: Rockville, MD

PostPosted: Mon Aug 11, 2003 7:52 am    Post subject: Reply with quote

I will try that. Thanks again, for the suggestions TimC.
\m/ Krisiun rules \m/ Twisted Evil

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