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I just read a thread where the majority seem to agree that ANY amp (SS or tube) sounds better plugged directly to the wall. MY RM9 has been plugged into a power conditioner due to the infamous on/off button failing to turn the amp on a few years ago. After pushing it on and off a few times it turned on but left me worried. I've read that the switch is inferior and could/should be replaced. I opted to plug into the PC, bypassing the switch (leaving it on), so now when I turn on the conditioner, it turns on the amp along with a few other components. All's been well ever since but this thread got me to thinking....so rather than chime in on that thread, I figured I'd come here and hopefully get an answer from the Man himself. Any thoughts Roger?
I'm a little OCD when it comes to neatness, always coiling and tie-wrapping trying the minimize the cable mess.
It would be great to have a super-tidy cable arrangement, however when you coil a cable you are essentially creating an inductor to some degree and that's never a good thing.I'm not sure in each particular cable coiling scenario how much or little effect you may create, but I tend to avoid it, particularly with AC power cords. I have seen power tools burn out when operating from coiled up extension cords. I certainly don't have that length of AC cable on my components, but ....I also see people cable tie interconnects, speaker cables and power cables together in a tidy parallel trunk, but in reality they should cross each other at 90 degrees. Since I won't coil, and I can't get all cables to cross each other at 90 degrees, I just accept the random mess and figure I'm probably better off, electrically speaking.Steve
Coiling a wire makes an inductor, but coiling a cable (that has both the send and return wires) does not make an inductor.
...since the induced magnetic fields cancel each other out, right?
Myths...Good amplifiers still benefit from power conditioners. The difference is in the conditioner. The real problem is that when your sound improves in many ways, it shows you the lack in others. When you AB, if you can hear the difference right away, it's often that the music isn't as full, you might call it "dynamics" or a host of other things depending on your ear. But what's happened in many cases is that the refinement has reduced the bloat of poor information that was perceived as part of the music before. When you're at that point, the type of resistors in key places, capacitors, circuit topology, it all starts to play a bigger role because the differences become more notable. This is fundamentally obvious given that entirely passive parallel filtration will do this just like series active filtration will. Essentially many power conditioners take the blame for the let downs in your equipment. But I will say there's a fair amount of crap out there that's been sold as a power conditioner. The giant chokes by Gray did work, but no one ended up liking the sound, the resistance was through the roof too so they wasted a ton of energy, and his pricing may not have been very appropriate. This all seems ridiculous to me since a system with a good power conditioner is a pleasure to listen too, and one without is a chore by comparison.Also to note, almost no amplifier has any serious filtration to speak of. The design usually rejects a fair amount of RF and ground loops, but even very well designed units benefit from power conditioning.
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