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The guitar operates above this area. Warmth in a guitar sound goes from about 250 to 650, and the mid range from 650 to 2000. As usual YVMV about what constitutes low, mid and high frequencies.
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
The low frequency response is basically the point where the speaker starts to 'come alive' or is capable of producing that frequency. If you have ever done a sweep tone test on a speaker you will hear this happening. At 0Hz it will be silent, then as you gradually increase the frequency it will get louder and louder, and start to jump into life when it gets closer to the speaker's frequency range. So that low E 82Hz is probably going to be quieter and less pronounced on the 130Hz speaker than on the 82Hz speaker. The 130Hz speaker is probably more for players who love more mids than bass.
How speaker resonance affects "tone" will be hugely influenced by the amplifier. Amps of the Vox AC30 stamp have no negative feedback and a relatively high source impedance (Z) and so have little or no control on the cone.
A meaty 50, better 100 watter with NFB will have a much better "grip" on the cone (one reason you like BIG amps IC?)
Cabinets will also have an effect. A open back cab will just allow the cone resonance to dominate. A closed back cab will have a resonance which is a combination of the enclosed air mass/stiffness AND the speaker Fo. Vented cabs will have two LF resonances and be even MORE affected by amplifier OPZ.
Dave.
The frequencies are correct and I don't agree with Roland's statement as a fact (because it depends on genre and situation) however I do understand his point about frequencies of bass guitar and kick drums - both of those have to go somewhere.
What is missing from this chart and would give some context is low B on a 5 string bass is about 31hz (to go below an octave you half the freq, to go up you double). A lot of classic bass cabs don't get near that yet still sound great, most people's home listening speakers don't either. Even for the E at 41hz, the classic Ampeg 8x10 is 10db down at 40hz http://www.ampeg.com/products/classic/ If you've ever heard one of these 8x10s you wouldn't say it lacked low end.
You don't have to have a fundamental frequency loud to hear a note - your ear can determine the pitch anyway if it can hear harmonics (or else listening to music on laptop speakers would be incredibly confusing!). So a pure sine wave of 41hz isn't going to be audible on small speakers but a typical bass string would, because it contains frequencies above it.
The other thing to remember is what filters do. If you were to apply a hypothetical 12db filter at 125hz which I assume is what Roland does, that means it is -12db by an octave below in a smooth slope, not that it completely cuts off at the frequency.