Hashy-sounding sibilants are the result of poor transmission of the original event. It can happen anywhere in the signal chain from the microphone chosen to the recording itself or the digitization in the studio, or on playback it could be the DAC or the signal chain thereafter.
Cables with a rolled off treble reduce the amplitude of harsh sibilants, but don't fix the problem. Better interconnects with very fast rise time and extended bandwidth may help, as they resolve the smaller parts of already small wavelengths (sibilants). Of course they can't fix things that might be upstream. But even there, faster components with better resolution will either reduce or fix the hashiness depending on how much of it is encoded in the recording itself.
Whatever else happens, you will notice an improvement in your music with your new Chord interconnects. Good audio is--among other things--dependent on good signal transfer. Cables are passive devices and each cable run takes a little something out of the music, some more than others. Better interconnects have wider bandwidth, more conductor material, fewer impurities, and often better impedance matching for the components involved.
I've never heard of a textile dome tweeter being a problematic load for amplifiers. I don't know the specifics of their general impedance curves but they have been used for many years in speakers that match well with receivers and tube amps that can't handle tricky loads.
Cables with a rolled off treble reduce the amplitude of harsh sibilants, but don't fix the problem. Better interconnects with very fast rise time and extended bandwidth may help, as they resolve the smaller parts of already small wavelengths (sibilants). Of course they can't fix things that might be upstream. But even there, faster components with better resolution will either reduce or fix the hashiness depending on how much of it is encoded in the recording itself.
Whatever else happens, you will notice an improvement in your music with your new Chord interconnects. Good audio is--among other things--dependent on good signal transfer. Cables are passive devices and each cable run takes a little something out of the music, some more than others. Better interconnects have wider bandwidth, more conductor material, fewer impurities, and often better impedance matching for the components involved.
I've never heard of a textile dome tweeter being a problematic load for amplifiers. I don't know the specifics of their general impedance curves but they have been used for many years in speakers that match well with receivers and tube amps that can't handle tricky loads.