I doubt the OP has a frequency analyzer. I'm pretty sure he meant to ask "what's it mean when someone tells me to set my EQ flat". I seriously doubt he meant "what's a flat frequency response".
Exactly
But I'm enjoying reading all your answers.
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I doubt the OP has a frequency analyzer. I'm pretty sure he meant to ask "what's it mean when someone tells me to set my EQ flat". I seriously doubt he meant "what's a flat frequency response".
I doubt the OP has a frequency analyzer. I'm pretty sure he meant to ask "what's it mean when someone tells me to set my EQ flat". I seriously doubt he meant "what's a flat frequency response".
Some time ago another TBer said that to try out a bass you should set everything to flat.
Way too much thought getting in the way of getting stuff done, if you ask me. Plug in, set all knobs at noon, cut and boost as you see fit from there, play bass, get chicks, go home.
Leave it to jimmy to come here and tell it like it is
Respectfully disagree. In the context you are talking and the frequency response of each and every amplifier, there is no such thing as FLAT. That's why some people like GK and some Mesa. They appreciate the frequency response they get from their amp of choice.
In the context that the OP was asking, an amplifier that is set "flat" means the EQ is down the middle.
Even with the respected recording engineers that I have worked with and going direct they all tell me to start with my bass tones set "flat", they set the board EQ "flat", their amp emulators are set "flat". Everything neutral (IE: flat). Then they add the tone/colour as they see fit.
Hey, I'm 5' 11". I'm just way too socially inept to get chicks. Fortunately, one pretty good looking gal found my social ineptness charming, and I married her, proving the old adage, "It's a man's man's world."He's making it up. He's way too short to get chicks.
Hey, I'm 5' 11". I'm just way too socially inept to get chicks. Fortunately, one pretty good looking gal found my social ineptness charming, and I married her, proving the old adage, "It's a man's man's world."
Well, here's exactly what he asked:
What exactly does "flat" mean in terms of EQ? What is it precisely and how to achieve it?
No worries if you read that differently than I do. ;^}
I don't know what you're talking about, Skies. Never said that in my life.
Wow way too confusing. Flat in general terms means everything set to the mid point. Nothing boosted or cut. All amp knobs set to 12 o clock, all eq set to zero.
Wow way too confusing. Flat in general terms means everything set to the mid point. Nothing boosted or cut. All amp knobs set to 12 o clock, all eq set to zero.
So on a passive bass the tone knob at 12 o'clock is flat?
You're just being tricky...
...Everyone knows that on an amp with all passive tone controls the 'neutral' setting is with all of them at 'full on'.
...or don't they know that...![]()

Flat in general terms means everything set to the mid point. Nothing boosted or cut. All amp knobs set to 12 o clock, all eq set to zero.
Nope, again setting all your knobs to the mid point is only "nothing boosted or cut" if your EQ is active cut/boost. Many popular and common amps are NOT anything at all near flat at the mid point. That's simply false, misleading, and wrong. It may (or may not) be a neutral setting to build your sound from, but "flat" does have a definition and a meaning in audio, and this is NOT it.
John