thanks!
there really isn’t a max voltage. its passive so it can handle whatever u feed it.
no theres no “clamping”. this circuit doesn’t do anything to your signal.
just passes it along cleanly and clearly.
ya know to be completely honest, the cap is probably not vital to the operation of this device.
the op-z almost certainly has its own input cap.
(and whatever device u are feeding into the splitter, almost certainly has its own output cap)
but to my knowledge it is in theory good practice so i added it.
yes the main purpose would be to filter any dc that might have snuck in.
i used a big enough value as to not mistakenly filter any frequencies like low end or high end as sometimes input caps can do.
the output impedance varies with the knob from line level to instrument to microphone. the varying impedance helps you match to whatever your input source is so u don’t over/under load the op-z input.
the output is also matched to apple headset specs.
in my testing this provided the most reliable operation and detection
hope this answers your Q’s
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