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In Reply to: RE: Why magnets improve the sound is an interesting question. nt posted by geoffkait on November 12, 2010 at 11:27:59
Don't hold back. Me thinks you have more detail to offer. Any hematite in BP's?
ET
Follow Ups:
Think.
Cable + Sleeve and a small lump of ferrite, or similar, and you have a rudimentary tuned circuit, that will block some RF propagation quite effectively (LCR)
RF injection into any audio equipment where it is expecting analog line level will alter the sound for the worse, and the use of ferrite can help avoid this. Place the ferrite as close to the shield as possible to maximise the benefit.
Remember the ferrite will exhibit directionality, and a double insulated case isnt a very effctive shield
Try it, clamp on ferrites cost little and the gain can be substantial.
Have fun
Owen
Owen, I also tried clamp-on ferrite beads early in tweaking(only 10-11 mos. ago) and found them very effective. I have since applied hematite beads to the midpoints and both ends of my IC's, PC's and speaker cables and been mildly ecstactic with the results. Trying to keep an open mind and in curious response to geofkait's post regarding the negative feedback on ferrite beads, I took mine off and was surprised to find that the sound did improve slightly, but also very discernably. So I believe that ferrite beads work well on some unimproved systems, but hematite beads or crystals work better. Kudos and thanks to geofkait. Following the post on putting crystals INSIDE power plugs and EIC's, I tried the same. If you haven't done this yet, run don't walk, to do so. The 15-20% claimed improvement is real IME.
kendo
Most audiophiles seem to be reporting that ferrite on cables hurts the sound, I'm afraid. Not to contradict your experience, however.
I have read the same reports about ferrite beads hurting the sound in some systems. I have an Arcam FMJ SS system, which I think is generally considered to be mid-fi. In the earliest days of my tweaking, I used clamp-on ferrite beads and found them to be much better and very much more cost-effective than the cable upgrades that I had tried.
kendo
I reckon you are probably the exception that proves the rule. :-)
I think that we have to remember that tweaks are very system dependent. I don't know. The beautiful part of this forum, is that we can share information and then use whatever fits our individual needs. I have tried tweaks in the past that didn't work at first, and then after more tweaking and refining, trying the same thing again and it did work. For example, I tried shining a black light behind my components to no avail. But after some vibration dampening work and the sand bag tweak, trying again produced positive results. I had also tried surrounding my components with 35% glass crystal. I got positive results in the upper and lower frequencies, but it killed the midrange. After installing the above mentioned tweaks, I tried again and got an even positive response throught the frequency spectrum. The same was true for some DIY micro-vibration dampeners I had made for my interconnects and speaker connections. As I have mentioned before, my system is mid-fi, and maybe some mid-fi tweaks don't work on higher end equipment. I have also tried tweaks that worked well on my system that had no effect on lower end equipment. I just know that my system has improved tremendously as a result of this forum and I am very thankful for everyone's contributions.
kendo
I apologize for my poor typing. I meant to say 35% lead glass crystal in the above post.
kendo
No.
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