
Originally Posted by
lurcher
Ok, well a couple of things:
1. The input capacitance of the amp will also have to be added, but of course that will be constant with cable length, but the combination may push the -3dB point where its audible. Without knowing what is at the front of your amp I could only guess at what the capacitance of that is.
2. "What's the difference between a "high-value" passive and a "resistive" one? What is meant by "high value"?" High value as in the -3dB point becomes audible. F-3 = 1 / ( 2 * Pi * R * C ), where R is in ohms, and C in Farads. My point about the "resistive" is not a high low thing. A inductive preamp such as a AVC or TVC behaves differently, at the worst (highest volume) the output impedance is the same as the source impedance. With a resistive, the source doesn't matter so much, its the value of the passive that sets the resistance.
3. 39 and 85 is less than 55 and 95, so, yep its a bit less.
4. I do have a hourly rate :-)