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What exactly does a pressence control do (on my Buddies Marshall amp) and when should I use it?
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A presence control gives you more control over the ultra high end (treble) frequencies.I feel my soul go cold... only the dead are smiling. -
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Imagine taking an EQ and pushing up all the little switches on the right.
joe....Comment
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Boosts the treble frequency. Play around with that and the treble control until you get it set to your liking.Originally posted by Trev57 View PostI feel my soul go cold... only the dead are smiling.Comment
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the important distinction with most presence controls is that they are EQ at the power amp stage vs. your regular bass/mid/treble that are part of the preamp.I want REAL change. I want dead bodies littering the capitol.
- NewcComment
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The presence controls between the mid and high frquency at the power stageComment
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Exactly.Originally posted by El_Kabong View Post
I have no idea how people could think it´s a treble or even "ultra treble control".... but maybe both my ears and my oscilloscope are totally shot to hell
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Maybe. Maybe mine are.Originally posted by Zerberus View PostExactly.
I have no idea how people could think it´s a treble or even "ultra treble control".... but maybe both my ears and my oscilloscope are totally shot to hell I always heard more high treble and not really high mids.
I feel my soul go cold... only the dead are smiling.Comment
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It really depends .... On some amps it seems to work as an upper mid boost. But on others, like my mesa 20/20, it seems to simply boost the upper frequencies like a treble boost.Comment
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Some amps leave a bit of that impression, and of course the voicing isn´t the exact same on every amp. But it´s almost universally in the area between the mid and treble controls.Originally posted by toejam View PostMaybe. Maybe mine are. I always heard more high treble and not really high mids.
BTW, I probably came off as a bit of an ass
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The correct answer!Originally posted by Bert View Post
It does whatever the amp mfg designed it to do!
-aComment
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Originally posted by Bert View PostYeah, I guess it does depend. Like Marshall's Contour control on some of their older Valvestates are mid frequency controls, but I've heard other people and other manufacturers describe them as a presence control.Originally posted by HoWheels View PostThe correct answer!
It does whatever the amp mfg designed it to do!
-aI feel my soul go cold... only the dead are smiling.Comment
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This is why I like here, there are lots of really well knowledged people and they don't act like asses, even if they do they can realize itOriginally posted by Zerberus View PostSome amps leave a bit of that impression, and of course the voicing isn´t the exact same on every amp. But it´s almost universally in the area between the mid and treble controls.
BTW, I probably came off as a bit of an ass
Yeah I'm acting like an ass though I'm not that well knowledged :ROTF:
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"presence" is the high frquencies above the treble control and is usually controled at the power amp.
those of you saying its between the mid and treble are referring to a "contour" control. some companies misslable things and some companies call some things by other names.
BUT, presence is ultra high frequncies and usually is used to add gain to those ultra high frequencies.Comment
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