You will get a new crossover built to original schematic with some small improvements the circuit and much better parts quality. Crossovers only, not speakers. Get more powerful better extended low frequency, more dynamic cleaner midrange, and smoother higher resolution mids and highs. The speaker will come to life with new levels of detail and dimension. Capacitors mid / tweeter premium Nedlab 2% film capacitors. Capacitors on woofer Hybrid 3% electrolytic+ 2% PP film type. Mid / tweeter section film type resistors, non inductive type. Mid / tweeter coils/Inductors are perfect lay low distortion Air-core type. Woofer coils -15awg thick awg low distortion laminated steel type. All wires 99.99% pure oxygen free copper. Fully tested and matched to better than +/-1db. 20+ years of experience in hi fidelity crossover design. This service is also available for other AR models, just contact me. Dear NE, thanks for the fantastic job you did on rebuilding my KLH 5 crossovers. They look brand new. I received my crossovers in good condition and installed them today. I’m very satisfied. My fortes sound much better now. I finished the install today. Long wait but OMG what a difference! You have my 5 stars. Installed the crossovers over the weekend. You restored the upper range frequency response. The speakers now sound incredible! These crossovers are a significant improvement! Better stereo imaging, clearer distinctions between instruments and vocals and a more responsive bass. Got them yesterday and we spent today getting them installed.. I cried when we turned back on – the sound is so much better. Thank you You do wonderful work!