Basic pulse generator using op amp IC-4558 | ElecCircuit.com
Are op-amps really superior to transistors for an audio tone control? - Electrical Engineering Stack Exchange
JRC4558 Op Amp : Datasheet, Working & Its Applications
RIAA Preamplifier using NJM4558 / JRC4558 Op Amp
Modifying the OP amp big muff circuit. Think this would work? don't have experience with op amps really. : r/diypedals
JRC4558 Op-Amp Datasheet, Pinout, Equivalents, Features & Its Applications - JOTRIN ELECTRONICS
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4558 - substitute it or don't do? | diyAudio
LM4558 Dual Op-amp Pinout, Features and Datasheet
output volume potentiometer - MOD WIGGLER
Basic pulse generator using op amp IC-4558 | ElecCircuit.com | Generator, Dc circuit, Electronics projects
2.1 Preamp Bass Filter Circuit 4558 Opamp – Electronics Projects Circuits
UNISIAN JRC4558 HiFi Tone Board 4558 OP-AMP Audio Amplifier Board Bass Mediant Treble Sound Control
JRC4558 Op Amp : Datasheet, Working & Its Applications
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Op amp virtual ground rail splitter circuit using JRC4558D schematic diagram by electronzap - YouTube
Looking for tone Control using 4558 opamp | diyAudio
Jrc 4558 Opamp Ic Chip To Upgrade Your Tubescreamer Pedal | Reverb
Jrc 4558 Opamp Ic Chip To Upgrade Your Tubescreamer Pedal | Reverb
Op Amp Shootout – Cycfi Research
4558 Dual Op-Amp
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Jrc 4558 Opamp Ic Chip To Upgrade Your Tubescreamer Pedal | Reverb
ElectroSmash
Jrc 4558 Opamp Ic Chip To Upgrade Your Tubescreamer Pedal | Reverb
Basic Op Amp Design
