as far as filtering, I judge it by ear, how tight whoever is playing, what cab etc is being used. I find with my Marshall loaded with Celestion 30's I'm having to cut 10/12k and above because of a fizz that I don't get on the boogie cab. Same with the low end, the boogie is more controlled. I think the trick with lower tuned stuff, is to get a more aggressive mid range, to try and get the note to come through. Also with the bass, try getting the DI, run it through something like amp farm /sans amp and filter everything below 800hz-ish and above 2k-ish and mix it in underneath your main sound, see if it helps bring the bass out, especially on smaller speakers.
The fundamental of the low B on a 7 string is 62Hz. That doesn't mean you should filter there, but it's worth knowing.
You're stating opinion as fact. For the record I'm of the school that you start at 20 and sweep it up until it sounds the way you like it and it doesn't really matter where it is. That said everyone who has stated a number is higher than I'd be but it also depends a ton on the slope of your filter. Picking the "first overtone" is pretty arbitrary as that logic only works for one note on the entire guitar.but this is not useful for the mix. the lowest tone should be the first overtone. This is 124Hz.
You're stating opinion as fact. For the record I'm of the school that you start at 20 and sweep it up until it sounds the way you like it and it doesn't really matter where it is. That said everyone who has stated a number is higher than I'd be but it also depends a ton on the slope of your filter. Picking the "first overtone" is pretty arbitrary as that logic only works for one note on the entire guitar.
when you see the data sheet of the most guitar speakers, they dont even go below 70Hz
but this is not useful for the mix. the lowest tone should be the first overtone. This is 124Hz.
it really doesnt matter because the amp, the cab, the mic and the preamp all work as filter too.
but that is just part of the curve within the +/- whatever dB controlled range. I mean the V30 spec says 70-5kHz but there is lots of material above 5k, just try a LP there...
many people here suggest LP around 12k, that would be meaningless with your logic...
found a freq chart for you:
http://www.loudspeaker.co.uk/vintage30.htm
Most speakers have a -6db per octave decrease. 6db is only quarter power, that means that with a speaker that has a response of up to 5KHz, its fairly linear, but after 5KHz, there becomes a 3/4 power drop every additional octave.
+1You're stating opinion as fact. For the record I'm of the school that you start at 20 and sweep it up until it sounds the way you like it and it doesn't really matter where it is. That said everyone who has stated a number is higher than I'd be but it also depends a ton on the slope of your filter. Picking the "first overtone" is pretty arbitrary as that logic only works for one note on the entire guitar.
but this is not useful for the mix. the lowest tone should be the first overtone. This is 124Hz.
I think a change in 6dB is equal to half or double power, not a factor of 4. And that something 6dB louder is perceived as twice as loud. I thought you have to go to 12dB decrease to reach one quarter power or 4x power. This came from the assumption that two signals of equal content and equal phase mixed results in a signal 6dB louder. I could be wrong.
That has nothing to do with human ear though. It's because the decibel is a logarithmic unit.+0 db = nothing
+3 db = double
+6 db = 2xdouble = 4x
but thats hard to explain because the human ear is working logarithmic not linear.