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Old 10-04-2012, 07:46 AM   #1
rockstar9999
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What's the best way to get your guitar amp signal into DAW with impulse responses?

I have a marshall dsl 401 tube amp and i usually use my Fx loops send to get my signal into audio interface and then use IR cabinet impulses for my speaker emulation. SO basically i use preamp from the marshall..

But i came across this article :

http://www.premierguitar.com/Magazi...esponses. aspx

and he said:

What's the best way to get your guitar amp signal into an Impulse Response that's loaded up in a typical computer host?

Well, if making noise is an option, the best way, in my opinion, is to tap your amp's speaker out with a DI that can handle the power and then pass the signal through to a real speaker. That way, you are capturing preamp and power tube distortion and your amp still gets a reactive load. You don't really care what the speaker sounds like because you are going to be using IRs for the tone. You can shove it in a closet in the basement and as long as it can move some air, it's shouldn't negatively impact the DI signal. Some amps have the DI function built into the amp. Some even tap the signal coming from the power tubes, so a separate DI is not always necessary.

what does he mean by saying tap your amp's speaker out with a DI? and how can you capture power tube distortion by doing this? I don' t get it.
and i don' t have a DI box, i use Focusrites Saffire 6 audio interface ( BUT it has instrument switch, so it' s like a DI)
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Old 10-04-2012, 07:51 AM   #2
Reincaster
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You put a DI like a Quantum Matchmaker/HK Redbox, or any DI that can be used in between a speaker and the amp (basically it has a speaker level switch or input/output). It captures powertube distortion because the DI is AFTER the poweramp, and feeds a mic level signal of the amp. You still have to have a load on it though.

Do NOT plug the amp output into the saffire.

If you use Two Notes Torpedo's impuls plugin, it can model poweramps as well as cab and mics.
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Old 10-04-2012, 08:15 AM   #3
rockstar9999
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Quote:
Originally Posted by Reincaster
You put a DI like a Quantum Matchmaker/HK Redbox, or any DI that can be used in between a speaker and the amp (basically it has a speaker level switch or input/output). It captures powertube distortion because the DI is AFTER the poweramp, and feeds a mic level signal of the amp. You still have to have a load on it though.

Do NOT plug the amp output into the saffire.

If you use Two Notes Torpedo's impuls plugin, it can model poweramps as well as cab and mics.


how should my scheme look like? I have a 40w amp. and can i use it with any DI?
Hughes and kettner red box seems pretty good, but can it handle 40w?

Last edited by rockstar9999 : 10-04-2012 at 08:25 AM.
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Old 10-04-2012, 08:40 AM   #4
seljer
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Quote:
Originally Posted by rockstar9999
how should my scheme look like? I have a 40w amp. and can i use it with any DI?
Hughes and kettner red box seems pretty good, but can it handle 40w?



The DI box just shifts the voltage level down from speaker to signal level and makes it a balanced signal/provides isolation. The power doesn't really matter, the speaker is still hooked up.

If you want to run your tube amp silent you need a dummy load.
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Old 10-04-2012, 08:45 AM   #5
rockstar9999
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thanks guys,
But i can' t find Hughes and kettner red box anymore. I think it' s discontinued.
What other DI' s would you recommend?
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