I run a 1982 Olympic White Jazz bass with white-bound all maple neck and 70's era pickup spacing (4" center to center). I run the controls on the bass dimed. I currently use three different amps: an Eden WT500/800 (400-watts rms per channel into 4Ω or 800-watts bridged into 8Ω), an Eden TN-226 (225-watts rms into 4Ω, and a DNA-800 (400-watts rms into 8Ω, 800-watts into either 4Ω or 2Ω). I also use an Eden WTDI, which is a DI pedal with a built-in Eden WT preamp.Mid frequencies, especially low mids, find themselves in any tonal conversation, whether we're talking about live or recording applications. They really are the secret sauce to tone. I've heard so many people say boosting your low mids (anywhere from about 220 to 500) will help you be heard and more present in a mix. I used to be in that camp, with a slight bump in my low mids, and a slight cut in my high mids (with bass and treble flat).
However, in recent years I've reversed my thoughts on that, and favored a slight cut in the low mids, and a slight boost in high mids to give me a little rasp, some airy punch in the articulation, and just a hair of glass on the top end. I'm running a fender jazz (60's voices) through a Markbass lm3 and MB cabs.
Tell me: 1) Where are your mids these days? 2) What bass and amplification are you running it through, and...3) How does that lend to *your* sound?
With my Eden amps, I run the Enhance (shape control) all the way off; bypass the auto-compressor; run the bass, high-mids, and treble flat; boost my low mids at 250Hz up to about 1:30. With my WTDI, same basic set up except it has only one mids control that can be toggled between 500Hz and 2KHz. So I run that with 500Hz selected.
On my DNA-800 I bypass the adjustable compressor; turn the shape control off (all the way to the left); boost the Bass EQ to ~1 o'clock, the low-mids (500Hz) to 1:30, and the high mids (2KHz) and treble (everything above 2KHz) flat. I run the Bass EQ up just a bit on the DNA-800 because it is a shelving control set at 35Hz and the Bass EQ on the Eden amps is set at 30Hz. Just giving it that little boost on the DNA Bass EQ gives me the same sound that I get from my Eden amps.
I have run the boost a 2KHz in the high-bids before and find it gives an edgier sound. I don't really care for that though, so I don't use it. It can also get pretty crowded in the high mids with the guitar and keys reaching down in there, which degrades definition of the bass in the mix. I might add that my '82 Jazz is a bit brighter in sound and has a lot more sustain than my 1965 Jazz that I bought in 1966 did. My '65 had a rosewood fretboard on a maple neck and the 60's era (and current era) pickup spacing of 3.6" center to center. So my '82 Jazz is a little brighter on its own than my '65 was. Tragically, my '65 Jazz was stolen in 1976 along with all my touring gear.
By the way the best recorded sound I've gotten from it was on a recording session at a pro studio in Seattle in 2019. I was using my WTDI direct to the board because there was too much bleed over with the drums in the room we shared. Mids were set at 500Hz (low-mids) with everything else set flat. It amazed the sound engineer and the owner of the studio who both came in to get a good look at what I was using. Sound engineer said the only thing he adjusted on the raw takes was the level. He didn't change the EQ or use any compression on it at that point.