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Equalisation?Help!

Discussion in 'Effects [BG]' started by grofce94, Jul 4, 2013.


  1. grofce94

    grofce94

    Joined:
    May 9, 2013
    Can anybody help me understanding the principles of equalisation, an its use? So, how do you, using eq, make a nice "slap" sound? Thanks!
     
  2. Woodsbass

    Woodsbass

    Joined:
    Apr 11, 2011
    Location:
    Carleton County, New Brunswick
    Equalisation, at an electronic level, is a series of bandpass filters that each are user controlled and allow the amplification or attenuation of separate bands of frequencies.

    In more general terms, each of those sliders controls a range of frequencies, usually 32, 64, 125, 250, 500, 1k, 2k, 4k, 8k and 16k Hz for a typical bass 10 band EQ (the stated frequencies being the frequency set in the middle of the band). By increasing or decreasing these individual frequency ranges, unique tone can be created quite easily.

    For a good slap tone, I like to have a quite drastic mid cut around 1k, flat lows and slightly boosted highs. You'll get alot of answers to that question, but if I were to arrange a 10 band EQ it would look like this:

    Imagine the sliders had levels that ranged from -10 to +10

    32 Hz: 3
    64 Hz:3
    125 Hz:2
    250 Hz:2
    500 Hz:0
    1 kHz:-2
    2 kHz:0
    4 kHz:3
    8 kHz:3
    16 kHz:2

    Of course, that is just personal preference and has not scientific reason why I like it on slap, just sounds good to mine ears!

    Hope that helped,

    Woodsbass
     
  3. bongomania

    bongomania Gold Supporting Member

    Joined:
    Oct 17, 2005
    Location:
    PDX, OR
    Disclosures:
    owner, OVNIFX and OVNILabs
    Good slap sound is 99.9999% in the playing technique. Some people like to use EQ to scoop the mids for slap; this means turning down the mids a little, and turning up the lows and the highs.

    If you really want to know the principles of EQ, there are two approaches: reading and experimentation. Just try all the different EQ knob positions and see how it sounds, what it sounds like it's doing. Here's one basic article to read: http://www.ovnilab.com/articles/eqtypes.shtml and Googling "eq basics" turns up a boatload of different articles and videos.
     
  4. grofce94

    grofce94

    Joined:
    May 9, 2013
    Thank you both, a dozen!
    Those are quite helpful informations. I'm in a need for a bass EQ pedal, so i wanted to inform myself before buying.
    One more thing, is the greater number of the bands better? Can i apply the rule "the more the merrier"?
     
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  6. HeavyJazz77

    HeavyJazz77 Supporting Member

    Joined:
    Jan 26, 2013
    Location:
    Virginia
    Shameless as it may be, I have a Whirlwind Bass Ten posted in the Classifieds presently. It's the one Tony Levin uses on his board with Peter Gabriel. There are others out there to check as well of course, but I settled on this one due to it headroom (18v) and flexibility. When I transitioned over to the RMI Basswitch I just didn't really need it anymore.

    Good luck!
     
  7. Grissle

    Grissle

    Joined:
    May 17, 2009
    You might want to look into a parametric EQ, they sound more musical to me than a graphic EQ.
     
  8. Woodsbass

    Woodsbass

    Joined:
    Apr 11, 2011
    Location:
    Carleton County, New Brunswick
    Not always. To be honest, I have a 9 band EQ on my Carvin BX1200 that I leave totally flat and I use the three band EQ on my MXR M80 for all the tone shaping I need. To me it is very easy to overdo it using graphic EQs, meaning you hear with your eyes more than your ears. Sometimes simplicity is nice! To me, 10 band EQs and the like are best used with PA systems and stereos, I like my simple ones for bass.
     
  9. Downunderwonder

    Downunderwonder

    Joined:
    Aug 26, 2009
    Location:
    New Zealand
    More bands lets you tailor the low end for headroom while not messing up tone. Trace Elliot didn't put 12 sliders in just for show.
     
  10. Spaldo

    Spaldo

    Joined:
    Mar 28, 2005
    Location:
    Ballaarat, Australia
    A good amp shouldn't need too much eq. I like to get a tone like Marcus Miller's, nice and punchy across the spectrum but without too much tweaking. I've found that amps like Eden, Ashdown, GK and Glockenklang can be used, to that end, close to 'flat'. To get a punchy tone for thumping i like to push the low mids just a little, perhaps roll off the subs a wee bit to de-mud the tone and crank the treble ever-so-slightly. No tweeter.
     
  11. bongomania

    bongomania Gold Supporting Member

    Joined:
    Oct 17, 2005
    Location:
    PDX, OR
    Disclosures:
    owner, OVNIFX and OVNILabs
    Er, I would say that's exactly what they did. Players in the 80's demanded a fancy graphic EQ, so TE provided it. Then players started demanding semi-parametric EQ, and TE fell out of favor.
    :)
    IMO the traditional three bands of non-sweepable EQ is inadequate, but adding just one or two sweepable (semi parametric) bands is big step up, especially if it allows tailoring of the lows like you say. But it doesn't extend to a general "more is better" necessarily.
     
  12. Downunderwonder

    Downunderwonder

    Joined:
    Aug 26, 2009
    Location:
    New Zealand
    I have 7 band pedal too, nothing like as controllable as the 12 band in the low end.
     
  13. Downunderwonder

    Downunderwonder

    Joined:
    Aug 26, 2009
    Location:
    New Zealand
    Parametric is another ball of wax which I haven't had much to do with.
     

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