Jrc4558d original supply, us $ 0.089-0.102 , [jrc] new japan radio Circuit jrc4558 op amp preamp pinout riaa ic preamplifier diy using amplifier Datasheet jrc corporation radio japan pdf
RIAA Preamplifier using NJM4558 / JRC4558 Op Amp
Riaa preamplifier using njm4558 / jrc4558 op amp