The truth about EQ controls on amps

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  • เผยแพร่เมื่อ 22 ต.ค. 2024

ความคิดเห็น • 105

  • @pclindholm
    @pclindholm 7 ปีที่แล้ว +6

    Awesome video, I really like the visual representation of what we are hearing.
    Any chance you could do a similar video comparing the mid humps of tube screamer, klon and dumble type pedals? Also, it would be interesting to see how the tone stack changes with different guitars.

  • @waynegriffin4360
    @waynegriffin4360 7 ปีที่แล้ว +6

    Love these " Explanation Vids " keep em coming please !!!!!!

  • @josephwilkinson3416
    @josephwilkinson3416 4 ปีที่แล้ว +1

    I'm new to fine-tuning my EQ and found this both fascinating and helpful. Thank you and your lovely animals 😁

  • @jbognap
    @jbognap 4 ปีที่แล้ว +4

    It would nice to have a guide for getting flat eq on various amps. It's common to run multieffects / amp sim pedals into the Fx return of amps, but then you lose any type of global tone adjustment on gigs.

  • @JohnFiaschetti
    @JohnFiaschetti 7 ปีที่แล้ว +2

    Tone Stack Calculator and Spice? You're making music to the ears of this engineer and guitar player ;-)

  • @luckylicks3497
    @luckylicks3497 7 ปีที่แล้ว +28

    More interviews with the cat!

    • @psychoticmemories2583
      @psychoticmemories2583 7 ปีที่แล้ว +4

      ...and the goats for a balanced viewpoint.

    • @ZEGO24x
      @ZEGO24x 7 ปีที่แล้ว +1

      Yeah - because there aren't enough cats on the Internet as it is... :P

  • @wreckoningday
    @wreckoningday 7 ปีที่แล้ว

    My new favorite video on YT. Really dug this video Brian, Thanks!

  • @WayneMemphisMojo
    @WayneMemphisMojo 7 ปีที่แล้ว +1

    I am going to down load the "Tone Stack" right away ... thanks for the video!

  • @jeffvogelsong62
    @jeffvogelsong62 7 ปีที่แล้ว +6

    looked like on the Fender tone stack if you cut both the bass and treble Shelfing filters it looks like it would be flat, but with a huge cut in output.

    • @wampler_pedals
      @wampler_pedals  7 ปีที่แล้ว +6

      yes, or a simple voltage divider will do the same thing (IE volume type control)

  • @BluePi1313
    @BluePi1313 7 ปีที่แล้ว +8

    I'm assuming this is only taking the electronics into account, and not the acoustics of the speaker enclosure. Now, my ears arent super trained, so I can't tell by just listening yet, but is it a possibility that the mid scoop compensates for the frequency response of the speakers? For example, if the speaker had a natural mid boost, then technically the response would be relatively flat.

    • @dakhaas300
      @dakhaas300 7 ปีที่แล้ว

      Interesting question, also, every different speaker + cab combo has is how characteristic frequencyresponse, most cutoff the highs at about 5kHz. Which makes these bodeplots again appear very different if measured with a "flat response" microphone.

    • @CzornyLisek
      @CzornyLisek 7 ปีที่แล้ว +1

      By the time acoustic and other mechanical engineering is taken into account it get insanely complicated.
      In simple terms. Amp will sound different from each point of space and space that it is within will change perceived response greatly.
      Also then come neurology, psychology, psychiatry...
      Better stay in electronic only domain.
      Also about speakers in guitar amps. Pretty mucha all of them have variation of freq response similar to this speaker.
      www.eminence.com/pdf/WheelHouse_150.pdf

  • @chillpillology
    @chillpillology 4 ปีที่แล้ว

    GREAT video. Ive been trying to find out the envelopes of these tone stacks and found this. Bravo!! No wonder the fender is “chimey” and marshall is “meaty” and why i prefer gibson scale length guitars on fender amps. Bravo thanks!

  • @kelvinwong9020
    @kelvinwong9020 7 ปีที่แล้ว +1

    Always enjoy your videos! thanks!!
    Are those curve representing the output before cab? Take into account of human perception of frequency vs loudness, is it possibly a Twin will sound neutral after cab hearing by human ears?

  • @henrymoss5272
    @henrymoss5272 4 ปีที่แล้ว

    So, the question this begs is, why don't any of the big guitar amp manufacturers make a tone stack with a truly flat EQ? AKA a tone stack where all knobs set on noon, the frequency response is even? Or if most tone stacks have to be passive for cost purposes, why doesn't an amp manufacturer make an amp whose frequency response is flat when all EQ knobs are set at max? As someone who has owned a few Fender amps, it's pretty remarkable seeing a visual representation of how darn scooped a Fender amp is. You can hear it when you play any Fender, but seeing it represented visually proves how dramatic it is... And again, it begs the question of why are they choosing to do it this way? Does anyone make a tone stack with a flat EQ? If not, why not? Could you, as an expert, lend some insights into this? Great video.

    • @wampler_pedals
      @wampler_pedals  4 ปีที่แล้ว

      It’s been done before, for example by using a baxandall type of eq. However, to really answer accurately would require an in depth look at designing amp circuits. For example, if you have an amp that has a mid boost around 800hz yet implement an eq that has a mid *dip* around 800 hz then the net result isn’t really a mid cut. Some amps have also had active eq stages which would or could technically be more flat but also pose other problems or consequences of some sort. It also gets a bit more philosophical, such as the theory that a truly flat response amp sounds quite bad for guitar.

  • @23dvs
    @23dvs 7 ปีที่แล้ว

    Learn something new everyday....very interesting...thanks Brian 👍👍👍

  • @MarkDyson
    @MarkDyson 6 ปีที่แล้ว +1

    Wow. Shout-out to the SPICE program. College memories. :-)

  • @degani.guilherme
    @degani.guilherme 7 ปีที่แล้ว +1

    Best Intro EVER!!!

  • @peterjosvai9804
    @peterjosvai9804 5 ปีที่แล้ว

    so very cool! also absolutely enlightening, while brief

  • @w1third
    @w1third 7 ปีที่แล้ว +4

    A Wah-mpler would be cool

  • @GuillermoZS
    @GuillermoZS 7 ปีที่แล้ว +5

    LOL love the goats and the wha-mpler 😂😂😂

  • @britshell
    @britshell 3 ปีที่แล้ว

    Great video! this is exactly the information I was looking for.

  • @BlastBinary
    @BlastBinary 7 ปีที่แล้ว

    I love how the fender just gives you automatic headroom

  • @bobwang2837
    @bobwang2837 7 ปีที่แล้ว +1

    damn the outro is great

  • @PhilippeSpectral
    @PhilippeSpectral 7 ปีที่แล้ว +1

    Damn, I hoped you'd talked more of the baxandal EQ as I've got an Ampeg GVT15. A great amp but the EQ section is a bit confusing at first.

  • @juliomarban4504
    @juliomarban4504 5 ปีที่แล้ว

    Hello! I've been checking out your videos about tone controls in pedals and amps and I need a bit of clarification on the way they affect the frecuency spectrum of the sound. As far as I can go, there are from single tone controls to 8 band type of eq's, and each of them can vary in the way the bandwith and the frecuencies they affect are set/programmed/voiced. As an example, I see that the single tone control in a Rat or a Big Muff are completely different, as a three band eq can vary from a circuit to another. Could you make a video summarizing the main types and ilustrating how they work? (maybe in logic, so we can see the soundwave and how the tone control knob/s is/are affecting it?). I'm into customized pedals and I'd like to know better which tone circuit is more suitable for me/my pedal projects. Thank you very much, I really appreciate your videos and your work. Best

  • @oscarfernandoofpublicnature
    @oscarfernandoofpublicnature 7 ปีที่แล้ว

    wow man!! this explains so many things!!! Thanks a lot!!

  • @ricardoortiz1746
    @ricardoortiz1746 4 หลายเดือนก่อน

    Awesome video. Thanks!

  • @SylsMusicRoom
    @SylsMusicRoom 5 ปีที่แล้ว

    Great Video! That would be interested to compare that with amp simulation software...

  • @onevoiceinc
    @onevoiceinc 6 ปีที่แล้ว

    How about Mesa Boogie, Bogner, and Hughes and Ketner? Would love to know their base frequencies.

  • @dobby240
    @dobby240 7 ปีที่แล้ว

    What an interesting video! Im accidently getting in to pedal making. I love electronics.

  • @silviascolaro6937
    @silviascolaro6937 7 ปีที่แล้ว +3

    I'm tellin yah need to build a uni vibe and call it the calico vibe

  • @shader26
    @shader26 3 หลายเดือนก่อน

    I thought some amp EQ are “interactive” but always forget the order. I thought some had it that if you lower a freq the other frequencies have less to work with, etc.?

  • @Black1ose1Immortal
    @Black1ose1Immortal 5 ปีที่แล้ว

    Really interesting! Thank you man

  • @BryanDenham
    @BryanDenham 3 ปีที่แล้ว

    that cat knows whats up, more Univibe please ,lol.

  • @imbradandyouarenot
    @imbradandyouarenot 7 ปีที่แล้ว

    I'm not saying this went over my head, but I understood the animals better than the EQ talk.

  • @dlees8432
    @dlees8432 7 ปีที่แล้ว

    lol i found ur videos a few weeks back, got one of ur dual fusions, i luv it, im prolly gonna end up with a ego next

    • @dlees8432
      @dlees8432 7 ปีที่แล้ว

      ive got a line 6 helix and a fender blues jr the tweed one with the jensen in it. i usally use the helix with the dual fusion , but when i can crank the amp im wondering what would be the best speaker for a fender strat into a dual fusion, into a blues jr? et 65 im thinking. i want a nice chewy tone on the neck pup

  • @filip.v
    @filip.v 4 ปีที่แล้ว

    Can you tell from that software where exactly are freq centers and what's the Q value? I was hoping to recreate Marshall EQ in my DAW with a basic eq plugin.

  • @kylelikeskjvbible
    @kylelikeskjvbible 7 ปีที่แล้ว

    what would the eq be for an acoustic guitar, say i wanted to make my les paul sound as close to my dreadnaught as possible.

  • @paulkielt9301
    @paulkielt9301 4 ปีที่แล้ว

    You cannot cut through the mix when you scoop the mids. I like to increase C1 on a Marshall tone stack from 470pF to 1nF or so.

  • @javiceres
    @javiceres 7 ปีที่แล้ว

    So the Black 65 replicates the Fender BF tone stack, I'd guess?

  • @TheSpoonwood
    @TheSpoonwood 7 ปีที่แล้ว

    Thanks.
    I thought of 5 the same as "normaling the board", it clearly is not.
    It's a good "starting point", some point of reference.
    So they all attenuate right off the bat?
    When I turn off the "eq" section on my Big Muff it gets much louder, is that the reason?

    • @wampler_pedals
      @wampler_pedals  7 ปีที่แล้ว +3

      Yes, they all attenuate (pretty much) on tube amps. Not so much on effects. But yes, the big muff will get louder if you bypass the eq, since you won't have the "insertion loss" as mentioned - it'll drive the next gain stage harder and be louder.

  • @soundknight
    @soundknight 7 ปีที่แล้ว

    Ive been wondering why I have been running my KT66 BB style amp with mids right up and treble down a tad.

  • @eo9885
    @eo9885 7 ปีที่แล้ว

    So if i use a fender amp with a big muff, i should make the fenders eq as flat as possible by decreasing the bass and treble?

  • @HeliBenj
    @HeliBenj 7 ปีที่แล้ว +2

    would have been interesting to explain why most guitar amps have to be mid scooped

    • @jasonmullinder
      @jasonmullinder 7 ปีที่แล้ว

      most of the hiss tends to be in the midrange if i remember correctly so it might be something to do with that

  • @KurayameDark
    @KurayameDark 5 ปีที่แล้ว

    But what about the presence and resonance control?

  • @Agelesslink
    @Agelesslink 7 ปีที่แล้ว

    How about an active dual channel para eq pedal?

  • @jeffvogelsong62
    @jeffvogelsong62 7 ปีที่แล้ว +1

    the kitty is smarter than us all 😉

  • @NebulousWeb
    @NebulousWeb 5 ปีที่แล้ว

    So if I want my amp (it's a Roland Cube 1st generation) to 'take' effects and amp models better (from a PodXT Live), should I roll off the bass and the treble, and increase the mid?

  • @caseyfortman2603
    @caseyfortman2603 7 ปีที่แล้ว

    Can you show the bravado tone stack in relation to these?

  • @AmagrasMUSIC
    @AmagrasMUSIC 7 ปีที่แล้ว

    New toy, thanks!!

  • @AdairTorres
    @AdairTorres 7 ปีที่แล้ว

    I really love It

  • @TheDilligan
    @TheDilligan 4 ปีที่แล้ว

    What is this software? How did you make that?

  • @nealixd.3011
    @nealixd.3011 6 ปีที่แล้ว

    Ah ha, this is why you make the videos.... you get tired of talking to the goats! Good stuff, very informative, thanks!

  • @GoCreateSomething
    @GoCreateSomething ปีที่แล้ว

    So it doesn't matter how 'transparent' your overdrive pedal is if you're using an amp. So I wonder how flat the eq is on a PA. I'm guessing you have to hack out a bunch of mids to get a PA to sound like an amp.

  • @Pabloignacioalvarez
    @Pabloignacioalvarez 7 ปีที่แล้ว

    This video was very helpful and interesting. That being said...
    Do you have rabbits? If yes, can we see them?

  • @w1third
    @w1third 7 ปีที่แล้ว

    I think you should've shown the Bravado at noon on the graph

  • @4unkb0y
    @4unkb0y 5 หลายเดือนก่อน

    come for the circuits, stay for the goats

  • @brandonk00
    @brandonk00 7 ปีที่แล้ว

    What are Ampy Cues?

  • @ThatGuy2042_
    @ThatGuy2042_ 7 ปีที่แล้ว

    What about something like an old Orange or Matamp?

    • @danielkorladis7869
      @danielkorladis7869 6 ปีที่แล้ว +1

      Some of them use Baxandall/James type EQs, if I recall correctly. The amps most known for using them are Ampegs (both their bass amplifiers and some of the old guitar amps like the V4).

  • @kencohagen4967
    @kencohagen4967 7 ปีที่แล้ว

    Does anyone have the schematic for a Peavey Valveking II tone stack? I've known that tone stacks weren't flat for quite some time, which leads to problems in some applications like if you're running a separate pre amp ahead of your amp. I have a complete Rockman preamp and effects module setup, but if I want to use it with a regular guitar amp I have to bypass the tone stack, hopefully done by plugging in to the effects return. Otherwise I have to run through a transistor PA amp. I would rather keep the warmth of a tube amp in my rig. Any suggestions?

  • @chopperdeath
    @chopperdeath 9 หลายเดือนก่อน

    Are tone stacks pre or post the preamp tubes?

    • @wampler_pedals
      @wampler_pedals  9 หลายเดือนก่อน +1

      Depends on the circuit. Some come before the majority of gain stages, others come after most of the clipping/distortion takes place

    • @chopperdeath
      @chopperdeath 9 หลายเดือนก่อน

      Thanks Brian. It would be cool if an amp had a stack that affected the guitar tone before the preamp, and an effect that shaped the tone post distortion.

  • @tedsparger5441
    @tedsparger5441 7 ปีที่แล้ว +1

    nice goats! Your cat is right, uni-vibe!

  • @moestock1058
    @moestock1058 7 ปีที่แล้ว

    This helped

  • @MB-yw3pv
    @MB-yw3pv 7 ปีที่แล้ว

    yea but what about Blackstar amps

  • @sseltrek1a2b
    @sseltrek1a2b 9 หลายเดือนก่อน

    very practical... (:

  • @dariosaviors
    @dariosaviors 4 ปีที่แล้ว

    So. hypothetically. I remove the knobs. Then adjust their offsets rolling only the pins of the pots. Then I put back in place the knobs at noon... and... ? Voila?

  • @AntonioRockGP
    @AntonioRockGP 7 ปีที่แล้ว +3

    I see it as flat in the sense that it's the eq curve the manufacturer intended to give the amp it's character.
    I always start there even knowing it's not actually flat. If I don't like the sound that way it's because my taste in tone is different from the amp designer so the amp is not for me.
    In my view the eq pots are only there for small compensation to the specific guitar and/or room.
    PS - Electric guitar on true flat, hi-fi amp is a very ugly thing...

    • @javiceres
      @javiceres 7 ปีที่แล้ว

      That said, guitar with a nice compressor into a hi-fi is a lot better. The lack of harmonic enrichments and flat EQ response of a hi-fi set is the opposite of what an electric guitar needs, but it's probably the fast dynamics of the hi-fi what's most irritating. It's the same with solid state amps in general IMO.
      Compressors compensate for this and can go a long way.

  • @Boomsterblak
    @Boomsterblak 2 ปีที่แล้ว

    thanks eh!welldone visual aids and everything..lol..was more curious about the science ...end of the day the ear is boss ..sounds good ..is good..

  • @dawsondavidable
    @dawsondavidable 7 ปีที่แล้ว +1

    Team Cat...

  • @Fire27hun
    @Fire27hun 7 ปีที่แล้ว +1

    I love your videos Mr. Wampler! I agree with the goats, you should build a Wah!

  • @kxmrock
    @kxmrock 7 ปีที่แล้ว

    peanut butter rees'es cat .... run cat, dont let him get you

  • @Omgbroccoli
    @Omgbroccoli 7 ปีที่แล้ว +1

    Hey Brian
    Moar cat pls

  • @eddiegeorge4047
    @eddiegeorge4047 7 ปีที่แล้ว

    looks like the goats dont eat much grass (thats what the cat told me )

  • @michaelshane9726
    @michaelshane9726 7 ปีที่แล้ว

    June 23 1974

    • @chrsklp
      @chrsklp 3 ปีที่แล้ว

      June 18 1976

  • @JoaoMartinsguitar
    @JoaoMartinsguitar 7 ปีที่แล้ว

    Brian, why are you so red?? Turning into a Pinacle??

    • @wampler_pedals
      @wampler_pedals  7 ปีที่แล้ว +2

      I tan red. I have a lot of grass to mow, therefore the sun makes me look red. :)

    • @JoaoMartinsguitar
      @JoaoMartinsguitar 7 ปีที่แล้ว

      It is motivating to realize that even an electronics superstar also has to do small household services sometimes.

  • @zillathegorilla
    @zillathegorilla 7 ปีที่แล้ว +2

    who couldn't stop looking at the windows UAC shield??

    • @wampler_pedals
      @wampler_pedals  7 ปีที่แล้ว +2

      +zillathegorilla I hear ya. I despise pc's, but the program won't work on a mac

    • @wakjob961
      @wakjob961 7 ปีที่แล้ว

      I tried to get it to work on a 'virtual machine' within my mac g5,
      but no luck.
      Back when I was really into modding & building amps, I needed this program.
      I'm shocked no one has made a mac friendly version.

    • @edgebenner
      @edgebenner 7 ปีที่แล้ว

      I have had success running it on my Mac using the WINE windows emulator.

    • @temeZer
      @temeZer 7 ปีที่แล้ว +2

      But macs are pc's.

  • @spyderlogan4992
    @spyderlogan4992 7 ปีที่แล้ว +1

    Cats.

  • @MrKkprince
    @MrKkprince 2 ปีที่แล้ว

    This is WHY if you attach a guitar to yor stereo it wil play like shit.
    Pickups are quite citophonic . The amplification need to kill the 900 hz band

  • @midnightwind8067
    @midnightwind8067 5 ปีที่แล้ว +1

    I immediately drop the video when I tune in to see tone stacks and it starts with goats. If I wanted goats I would have searched for goats. If you think you are that great , it tells me to ignore all you do, respect your audience.

  • @GogiRegion
    @GogiRegion 7 ปีที่แล้ว +1

    I thought this was common knowledge, is it not?

  • @Harbarder
    @Harbarder 7 ปีที่แล้ว +2

    Goats are awesome and cats are idiots.