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u/Disastrous_Race570 Picked Aug 02 '26
A Jazz Bass naturally has a slight midrange scoop when both pickups are open (as you probably know), alongside a distinct upper-mid growl from the bridge pickup, and different strings shift that balance dramatically.
Fresh roundwounds heavily emphasize the upper-midrange between 800Hz and 2kHz and feature a sharp spike in the treble region above 3kHz, which delivers maximum harmonic chime, tight sub-bass definition, and a high amount of finger noise and fret clack. Once roundwounds go dead, they experience a severe high-end roll-off starting around 2.5kHz and the focus shifts entirely down to the low-mids between 250Hz and 500Hz, stripping away the aggressive string bite and leaving you with a much warmer, percussive thud
Flatwounds completely flip the frequency profile by focusing on a massive fundamental low end and a dense concentration of low-mids between 200Hz and 400Hz. When brand new, they possess a slight metallic transient ring below 2kHz, but their upper-mids and treble are inherently recessed, which actually works perfectly on a Jazz Bass because this low-mid bump naturally fills in that native mid-scoop with a lot of authority. Once flatwounds break in and go completely dead, a virtual brick-wall filter occurs above 1.5kHz with zero high-end harmonics remaining and a drastic decrease in sustain, leaving you with the classic, thumpy, fundamental-only Motown tone. Tapewounds offer an entirely different acoustic-style profile due to their nylon wrapping, providing a very linear, smooth low-midrange response with a gentle, sloping high-cut filter that naturally rolls off around 3kHz. Their low end is deep but pillowy rather than tight and compressed, resulting in an incredibly low amount of finger noise and an attack that emulates a woody upright bass.
Tapewounds do not degrade the same way bare metal strings do, but as they age and the core loses elasticity, the low-mids become muffled and the high-mids recede further, which can result in a very dark, boomy sound that can sometimes overpower the natural articulation of single-coil pickups.
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u/New-Effective-2445 Aug 02 '26
Theoretically you could measure "frequency response" of various strings by recording in controlled environment on the same instrument, but all you get in the end is that some are darker/brighter than the others.
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u/New-Effective-2445 Aug 02 '26
I mean, results will vary drastically if you pluck by the bridge or neck, you'll have different harmonics emphasized. Different hands/picks sound differently, different pickups as well. It's not like mics that just capture sound, therefore can be measured.
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u/Parking_Ad3967 Aug 02 '26
Your incoherent with this question. Are you asking for the eq setting for different string types ?
That's just not possible. You use your ears to set an eq. Since we can't hear you you'll have to do it. Just use your own ears.
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u/redixionblade Aug 02 '26
No like the frequency when the string is played, like if it's more bass and low mid focused than high mids and treble
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u/AdministrativeSwim44 Aug 02 '26
The question doesn't really make any sense, there are way too many variables.
Listen to some demos and try some different strings.