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Guitar amp recording : getting rid of the 'roomy' results...
Old 10th August 2020
Gear Nut

Rug under the cab......moving blanket tent over the cab.....problem solved!
Old 20th August 2020
Lives for gear

Originally Posted by Brent Hahn;****8432
Turning up the amp beyond a certain point will "load up the room." Anyone whose first band practiced in their folks' basement knows what that is, and I don't think we want it. Half-stack chuggas on a metal record, maybe.
This is really 90% of it. Anything else is extra. If the room ambience is too loud the first thing to do is give it less to resonate. Get the best sound you can with the master volume down from where it is, adjusting channel volume. Put mic up close, trying off axis first.

If you bring the master level up while check for sound here you can probably hear the unwanted room reflections rising in the track. Keeping it lower keeps the amped sound from reaching the walls in as big a manner. There's a level limit to recording anything due to so much sound pressure hitting the walls. Much easier to turn the master output down on an amp than try to play sax or trumpet so as to not hit the walls so much.

If the room has an unpleasant wonkiness or mush that you don't want on the track, I would simply do this before anything else and move to the next thing to do if it needs more help.
Old 22nd August 2020
Lives for gear
rboy, go back and read page 2 of this thread.

There are numerous explanations about what does and does not affect the amount of room reverb hitting the mic. Hint: if you push the amp +10dB harder, you get +10dB of room reverb.

There's some psychoacoustic stuff (search: echo threshold) which comes into play WRT whether or not we (as humans) notice the room reverb, but microphones aren't subject to psychoacoustics.

I'd also suggest that, once the echo threshold is greatly exceeded, the in-room sound appears to turn to mush because we're now conscious of every reflection.

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