I’m looking for the crossover values / schematic for the BeoVox S35 speaker system or the Thiel Small parameters for the individual drivers in the system. My drivers work so I suspect a new crossover will do the trick. The old crossover appears to use an electrolytic capacitor (electrolytic caps can drift 10% per year) and the wiring on the coil appears to be a very small gauge – the bass may benefit from a lower DCR in a better quality coil.  Does anyone have the specs or can recommend a source?

The service manual for most of these speakers are on site for silver and gold members. I think this is probably what you want though!

And this!