Adding a passive tone control to a bass with active 2-band preamp? *resolved* | TalkBass.com
Passive tone control circuit | ElecCircuit.com
Jazz Bass Tone Control
Russell's Random Thoughts: Passive Tone Control for Vacuum Tube Amps
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The James-Baxandall Passive Tone-Control Network
Here are a couple more - the simple passive tone control that can be added to any circuit or used as a simple pa… | Treble booster, Diy guitar pedal, Diy guitar amp
AaronLum.com: Bass Cut Tone Pot. Get Some Clarity out of Those Heavy Riffs!
Adding a passive tone control to a bass with active 2-band preamp? *resolved* | TalkBass.com
Simple Audio Tone Control Circuit
Bass Bench: Exploring Passive Tone Controls - Premier Guitar