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Old 07-14-2014, 05:19 PM   #1
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Top boost/tube drive

Hi,

Whats the difference between a top boost and a tube drive.

I heard people speak about both with U2 songs, I thought they were basically the same thing?


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Old 07-14-2014, 05:32 PM   #2
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I'm not exactly sure what you mean by this. Top Boost is a channel of a Vox AC30, and would imply to me that it is natural (loud) amp overdrive. Tube Drive, if talking about as a sound, would also indicate driving the tubes of an amplifier on a particular channel. Then there is the difference between driving preamp tubes (12AX7, EF86, etc.) and poweramp tubes (EL84, EL34, 6V6, 6L6, KT##, etc).

However, there are pedals that simulate this if that's what you're talking about. I think Wampler has an Ace Thirty and Menatone has Top Boost In A Can, which are meant to take a neutral, clean amp and make it sound sorta like the Top Boost channel on an AC30. If you're talking about a pedal with regard to tube drive, there are various (usually expensive) overdrive pedals that actually have preamp tubes in them. Kingsley is one brand I'm fairly familiar with that does this.
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Old 07-15-2014, 01:20 AM   #3
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I watch U2 guitar tutorials on YouTube and Michael speaks about added top boost and in other vids adding tube drive. I assumed they were the same. Thanks for clearing this up, sometimes I feel like a right rookie.


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Old 07-16-2014, 01:09 PM   #4
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Originally Posted by budgetedge View Post
I watch U2 guitar tutorials on YouTube and Michael speaks about added top boost and in other vids adding tube drive. I assumed they were the same. Thanks for clearing this up, sometimes I feel like a right rookie.


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Old 07-16-2014, 01:10 PM   #5
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Originally Posted by the tourist View Post
I'm not exactly sure what you mean by this. Top Boost is a channel of a Vox AC30, and would imply to me that it is natural (loud) amp overdrive. Tube Drive, if talking about as a sound, would also indicate driving the tubes of an amplifier on a particular channel. Then there is the difference between driving preamp tubes (12AX7, EF86, etc.) and poweramp tubes (EL84, EL34, 6V6, 6L6, KT##, etc).

However, there are pedals that simulate this if that's what you're talking about. I think Wampler has an Ace Thirty and Menatone has Top Boost In A Can, which are meant to take a neutral, clean amp and make it sound sorta like the Top Boost channel on an AC30. If you're talking about a pedal with regard to tube drive, there are various (usually expensive) overdrive pedals that actually have preamp tubes in them. Kingsley is one brand I'm fairly familiar with that does this.
'Ace Thirty' is now called '30 Something' due to a threat of a law suit from Vox.
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Old 07-16-2014, 01:13 PM   #6
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Catalinbread CB30 is another good option.
Catalinbread: CB30
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Old 07-16-2014, 02:07 PM   #7
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We were all rookies once. Don't worry about it.

Very good quote, even Edge was, playing on a shite guitar from a jumble sale, with his brother!


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Old 07-16-2014, 02:09 PM   #8
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Catalinbread CB30 is another good option.
Catalinbread: CB30

Looks good. I've heard people mention a 'Liverpool' pedal too, I'm assuming their a few quid?


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