FreeWilly
498 posts
May 03, 2016
5:47 PM
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Can anyone explain the difference between tube subs and lowering the input gain by using e.g. a tube mp preamp? Thanks!
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Greg Heumann
3222 posts
May 05, 2016
7:32 AM
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Unless you get get a tube preamp to output a weaker signal than you put into it - you can't lower the gain with one.Tube preamps are useful for getting a tube sound from a solid state amp or PA. But they're generally NOT for this purpose.
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/Greg
BlowsMeAway Productions
See my Customer Mics album on Facebook
Bluestate on iTunes
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Killa_Hertz
1287 posts
May 05, 2016
7:50 AM
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Lower your input by changing the volume or running through an EQ pedal or something to that effect.
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rogonzab
949 posts
May 05, 2016
12:42 PM
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You can use one to send a lower signal to you amp. Harp mic signals are much much stronger than a guitar, so you hit the feedback wall faster.
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Sorry for any misspell, english is not my first language.
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FreeWilly
499 posts
May 06, 2016
4:29 AM
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Greg, that's exactly what I'm using it for (and I like the warming/compressing it does too)..
So given that's what it does, as rogonzab pointed out also, is there still a use for subs?
This discussion of course echos the squeel killer stuff..
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Greg Heumann
3223 posts
May 06, 2016
7:24 AM
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First rule is "whatever works for you". But subbing a tube or two has got to be cheaper than a tube preamp (if we're talking about using the same quality tubes)- it is simpler and attacks the problem at its root.
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***************************************************
/Greg
BlowsMeAway Productions
See my Customer Mics album on Facebook
Bluestate on iTunes
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timeistight
1998 posts
May 06, 2016
8:06 AM
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"But subbing a tube or two has got to be cheaper than a tube preamp (if we're talking about using the same quality tubes)- it is simpler and attacks the problem at its root."
Two points:
1) You don't always have the option of subbing tubes. Lots of times, players have to use someone else's amp as found.
2) it doesn't have to be a tube pre-amp. Since you aren't overdriving it, any low-noise pre-amp with a high imput impedance and an output volume control works. The Lone Wolf Harp Tone+ Works great for this.
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Greg Heumann
3227 posts
May 08, 2016
8:43 PM
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@timeistight - valid points - I was just addressing the OP.
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***************************************************
/Greg
BlowsMeAway Productions
See my Customer Mics album on Facebook
Bluestate on iTunes
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