In the end the K402 tweeter sounds much sharper and more aggressive. So he had soldered together a package of MKT caps to achieve the same capacity.īut I was very irritated and disappointed. The technician was good to me and he thought I would be happy if he traded the destroyed electrolytic capacitors for MKT. The symptom why I brought the xover for repair in the first place was that the channel only had after the blow up a very thin deep bass.
THE SIGNAL PATH DRIVER
Besides my active xover/DSP for my Underground Jubilees, I have a passive xover from Bob Crites which of course can only work for a specific tweeter driver for the K402, in this case it is a Faital HF200 driver.Ī few years ago I had a nasty signal from the amp and it destroyed electrolytic capacitors (I think bipolar) that are doing duty on the bass section of the xover in parallel.Ī good technician traced the fault and he identified the electrolytic capacitors as broken. As frequency decreases and reactance increases along with impedance, the current will create a voltage drop across the capacitor and it's in this region where the effects of the capacitor will effect the current passing through the tweeter, this is where the distortion of the capacitor will show through the tweeter.Ī layman's contribution from me, but one that might continue to stimulate discussion. The lower the reactance of the capacitor the less voltage is across it's two terminals and therefore has very little effect on the current because impedance is so low.
If the capacitor was in series, like with the tweeter network, all the current that passes through the tweeter must also pass through the capacitor. The current from the amp passes through the inductor and through the capacitor right back to the amp, the current through the capacitor does not pass through the woofer voice coil. The current flowing through the capacitor depends on the frequency, the higher the frequency the more current passes through the capacitor. The capacitor and the woofer coil are in parallel. View it in terms of current and not voltage.