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Hey nerds! 3 high-quality cables, all sound different--why?

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#108
fdeck said:
Rolling your own is more fun.

Here's an idea. You can get R out of the way by measuring the series resistance with a DMM, or just computing it from the wire gage. Measuring such low resistances is actually a bit tricky, and you might just be able to assume it is zero for the sake of this study.

Now build a voltage divider using a resistor and the "unknown" cable. Feed with the function generator, and measure the output at different frequencies. Do this with the cable open, then shorted at the opposite end. From the graphs of gain versus frequency, and the known resistance, you should be able to compute C and L.

Since I don't have a function generator, I would do all of this with my PC as both the generator and analyzer.
Click to expand...

I love EHX just as much as the next guy, but I'm highly sceptical of the abilities of a Deluxe Memory Man to determine R... Unless R stands for "Really-Awesomeness," which I also doubt. :D
 
#109
Les Izmor said:
Bongomania, have you gotten any closer to testing? I'm curious about what you'll find.
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I got all the pieces together a couple of weeks ago, but I have not yet gotten it all to work properly. For example, there is an annoying snafu with the recording software, where no matter what level it shows at the input, it records at about half that level. And Presonus has not responded to my tech support requests.

Also, I have not quite gotten the output of pink noise and the input from the cable's other end to work simultaneously.

Grrr. Anyway, I am still working on it!
 
#110
bongomania said:
I got all the pieces together a couple of weeks ago, but I have not yet gotten it all to work properly. For example, there is an annoying snafu with the recording software, where no matter what level it shows at the input, it records at about half that level. And Presonus has not responded to my tech support requests.

Also, I have not quite gotten the output of pink noise and the input from the cable's other end to work simultaneously.

Grrr. Anyway, I am still working on it!
Click to expand...


Sorry you're running into tech issues, hope you can sort them out (for your own sake). Not trying to rush you, just curious. Please keep us posted.
 
#111
I have tried the low cap cables, the zero oxygen cables, even the wireless' in an A/B format. They all have a different color.

I think for me...if it works and doesn't change the color of my sound (the one I hear in my head) and it works well and is stable ... that is the one for me.

I chose the wireless cable with and oxygen free connector from the receiving unit to the compressor and the compressor to the amp. but ... I like the hi-fi sound and have the amp set on flat...

JMT
 
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