☑ Replace Crossover Capacitors

Typical values for tweeter caps are 47 uf to 82 uf and that shouldnt cause you much financial grief. They do break down over time but many times they last decades before going bad.

Audio Crossover Wikipedia

2 Tannoy Crossovers Replacement Capacitor Service Hpd385

Crossover No Capacitors Audiokarma Home Audio Stereo

From a sound quality pov it will be worthwhile to replace them with modern poly types.

Replace crossover capacitors. Speaker crossover parts caps coils capacitors mylar capacitors electrolytic non polarized inductors air core resistors and more. Upgrade or replace bad loudspeaker drivers. Upgrade or replace crossover parts especially hi pass capacitors.

Crossover capacitor replacement recap. Inspect damping and insulation. The old klipsch x overs used oil filled film caps.

And theres a good chance upgrading the capacitors in your crossovers could make for better sound. 25khz designed for coax use with beta 8cx 10cx or 12cx woofers and with asd 1001 apt 50 or psd2002s 8 compression drivers. Google electrolytic caps is you want to know the specifics of an electrolytic capacitor.

Inspect wiring and terminals. Optimize placement of stands and minimize room reflections. If you have a little change lying around and if the series capacitors in the tweeter circuit are npes you might replace it them with a decent poly cap like the jantzens.

Many older crossovers used cheaper parts such as electrolytic caps which tend to lose their effectiveness over time. Expected life expectancy in stressful power supply circuits is 15 years. In general speakers from the 70s will have electroltyic capacitors the exceptions being spendor and tannoy.

Amazon Com Sound Town Replacement Crossover For Subwoofers