close up photo an old relic guitar pickup with a solid magnet and rusty bridge. as if used for a long time mounted on a blue

aged alnico america awg balance belllike bite bridge brown classic clear coil copper country cover electric electronics equipment focused guitar impedance induce instrument magnet magnetic magnets middle midrange music object old passive patina pick pickup pole resistance rock rusted single staggered sunburst sweet tonal tone traditional treble twang vibe vintage volume wound