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  #1  
Old 06-04-2011, 10:31 PM
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Bassists vs. Guitarists and Master Volume

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Got my Ampeg V4 out of the shop and it is killer for guitar and for bass.Two guitar players checked it out (independently) and both immediately dimed the master volume, then used the channel vol to control their loudness.

I have always come at the volume from the other direction. With the master channel vol set midway I adjust the channel vol / gain as high as will give me the sound I want while not clipping the pre. Then I adjust the master vol for overall volume.

Are my friends weird? Do guitar players usually do that? Do most bass players use an approach like I use?
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  #2  
Old 06-04-2011, 10:39 PM
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My Hartke has two preamp channels: a solid state, and a tube emulator. I adjust both of those, then the graphic eq and low/high pass filters to get the sound I want, then use the master for volume control.

Not sure how guitar players do it though.
  #3  
Old 06-04-2011, 10:39 PM
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Doing such has a very different effect on an amp that is made to get distorted like a guitar amp (well many of them), than an amp that is supposed to stay clean throughout, like a bass amp (again, most of them).

I also find guitarists use their volume knobs on their instruments more during a performance, where as many bassists I know are full on volume all the time.

I think it's the expectations and roles of the instruments. I know I play Orange amps which get nice and crunchy when you mix the gain vs master, so I might be inclined to occasionally use your guitarists method when checking out an amp, depending on the sound I was going for.
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Old 06-05-2011, 04:31 AM
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Sounds to me like you have got it spot on - I do exactly the same with my TB500
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Old 06-05-2011, 04:42 AM
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If using a tube amp, I dime the gain and set the volume with the master.
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  #6  
Old 06-05-2011, 05:01 AM
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Guitarists are used to ratchet volume controls so maybe a different approach is required
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Old 06-05-2011, 05:30 AM
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Quote:
Originally Posted by ddbassGA View Post
Got my Ampeg V4 out of the shop and it is killer for guitar and for bass.Two guitar players checked it out (independently) and both immediately dimed the master volume, then used the channel vol to control their loudness.

I have always come at the volume from the other direction. With the master channel vol set midway I adjust the channel vol / gain as high as will give me the sound I want while not clipping the pre. Then I adjust the master vol for overall volume.

Are my friends weird? Do guitar players usually do that? Do most bass players use an approach like I use?
Depends what you're going for with that approach you're going for. Having the master all the way up and using the preamp gain to control volume maximises headroom.
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Old 06-05-2011, 05:32 AM
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Originally Posted by Sartori
If using a tube amp, I dime the gain and set the volume with the master.
Does anything sound good with any control at max?
Not in my experience...
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Old 06-05-2011, 05:39 AM
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Originally Posted by mcnach View Post
Does anything sound good with any control at max?
Not in my experience...


Some of us like a bit of dirt in our bass tone.
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  #10  
Old 06-05-2011, 09:08 AM
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I've heard of this approach before. wouldn't this just make the amp ridiculously loud and clean? or is this what they're going for? or does it overdrive the power amp section?
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Old 06-05-2011, 10:16 AM
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I believe it is to overdrive the power tubes.

On an amp with no master vol does the single vol control taper the pre or power amp...or both?
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Old 06-05-2011, 10:20 AM
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Setting the master any lower than 10 will increase the amount of overdrive.

The lower you can put the gain, the cleaner the sound. So to me, it makes no sense to set it halfway. You're just making the amp overdrive.

If that's what you want, fine. But I want as much headroom with as clean a sound as possible.

The reason guitarists set the master lower is for that very reason -- they want some overdrive , even when playing "clean."
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Old 06-05-2011, 12:52 PM
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Quote:
Originally Posted by Jerry Callo
Setting the master any lower than 10 will increase the amount of overdrive.

The lower you can put the gain, the cleaner the sound. So to me, it makes no sense to set it halfway. You're just making the amp overdrive.

If that's what you want, fine. But I want as much headroom with as clean a sound as possible.
Max master vol maxes clean and headroom ONLY IF not distorting power tubes.
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Old 06-05-2011, 02:01 PM
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Originally Posted by Jerry Callo View Post

The reason guitarists set the master lower is for that very reason -- they want some overdrive , even when playing "clean."
But the OP's guitarist friends did the opposite of this. I'm not sure if they were going for a clean sound, or were uninformed.
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Old 06-05-2011, 02:05 PM
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Originally Posted by ddbassGA View Post
Two guitar players checked it out (independently) and both immediately dimed the master volume, then used the channel vol to control their loudness.
And that's why we call them guitar'd players. The gain is used to determine the saturation (crunch) of the pre, the master the output volume. The prudent method is to set the master at 1/4 to 1/3, turn up the gain until you get the desired crunch level, then turn up the master some more, if required, for playing level. And then there's the guitar'd method.
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Old 06-05-2011, 02:07 PM
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depends on the amp. some of them just give a more 'full' distortion when the master is maxed [esp guitar amps]
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Old 06-05-2011, 02:09 PM
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Originally Posted by ddbassGA View Post
On an amp with no master vol does the single vol control taper the pre or power amp...or both?
A non master volume amp is usually about the same as a master volume amp with the master wide open.
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  #18  
Old 06-05-2011, 02:18 PM
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Originally Posted by mcnach View Post
Does anything sound good with any control at max?
Not in my experience...
Yes.

Dixie Dave of the band Weedeater dimes the volume, bass, and mids on his Sunn amps, treble all the way down, to get his distortion. No pedals. 400 watts (probably more with everything dimed) through 4 15's.

Weedeater - Dirt Merchant

At about 2:46 in you hear the bass real clear.
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  #19  
Old 06-05-2011, 02:29 PM
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Originally Posted by ddbassGA View Post
Max master vol maxes clean and headroom ONLY IF not distorting power tubes.
Not sure what you're saying. Even with a solid state amp -- put the master on 1 and the gain on 8 and you'll get distortion.
  #20  
Old 06-05-2011, 02:37 PM
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Originally Posted by projectMalamute View Post
A non master volume amp is usually about the same as a master volume amp with the master wide open.
Pretty much. With volume control only amps the control traditionally was between the first and second gain stages. You dimed the volume control to get distortion in the final stage before the power amp. Good tone, but loud. The master volume was added to allow running the gain high for crunch while reducing the level into the power amp to keep levels sensible. But with the current generation of guitar'd players 'sensible level' seems to be an oxymoron.

Last edited by billfitzmaurice : 06-05-2011 at 03:20 PM.
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