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Power conditioners. All sorts do different stuff. If you like the old warm sound, forget power conditioners. If you like clarity, power conditioners are a must.Speakers: For my Magnepan 3.6 wanting a trace better bass i added a wing t othe bass side of the edge. An additional 6" wing.Stiffening the feet... even just adding a bit of material under the ends of the foot to stiffen it increases the bass a little.Power cords: I use pangea. Cheap, and work. All around they improve the sound a little. The ywere the first cord i found I could really hear a difference. One added benefit is they are fully shielded, so i can bundle them and no problems. (only the plugs radiate energy per non contact voltage detector)Covering and grounding the shield of power umbilicals (for preamps with separate power supplies) I wrapped the umbilical with black antistatic foam and using thin wire grounded it to the 120volt ground: it removes a bunch of loose RFI which can be detected using a "Non Contact Voltage Detector"feet. I add in cheap large butyl rubber chemical bottle stoppers size ten.Stuffing digital gear with black antistatic foam which is then grounded to the chassis. This was a tweak for years ago in a comment in Stereophile. No one else seems to care about it. But it works.Just take care to have some paper insulation between the top of the electronics and the foam!I have done it to any and all my digital gear.Caig pro gold on all contacts. Here little is good more is very bad. put a trace on ,wipe it off. the stuff is best if only a few molecules thick.RCA covers. help a tiny bit. Worth it on TV panels too, cover unused RCA connectors wit ha metal capPigtails off the negative terminal of amp. A variety of ways, the main idea is a single wire just stuck on the negative terminal hanging there. a few inches long. Many variations, some for sale, but all it needs is a plain old wire hanging there.Small crystals around A/C voltages. The small crystals (in baggies) need to be treated with some sort of non conductive stuff. i used silicone grease This effect can be seen with the same non cantact voltage detector. A small 2" x 1" baaggie with 1/4 inch thick layer of crystals cuts the RFI emmisions of whatever it is placed on or under. Loose non treated crystals do NOT have the same effect.Wrapping the blades of A/C plugs with teflon. Wrap each blade with plumbing teflon, press it down so it only blocks the edge near the plug body. I have wrapped every plug in my apt, stereo or not. It save a bit of energy. Measuring with a meter. items whose cord was wrapped use a little less energy than unwrapped. Seems crazy sorry, it was what i found.Most for sale uber-priced tweaks are based on simple things one can do. So instead of blowing money on stuff you can make it at home.
I started using the anti-static foam that semiconductors used to be shipped on years ago. Soaks up RFI. Great tweak on my old Rotel 990CD player.Lots of common sense stuff here if one stops to think about it.You really, REALLY do need to try a BUSS, though Dave
Elizabeth agree on the wires off the amp. Have you tried using a longer run say 6 ft on both neg. and pos. ?? check it out . WE had the Mapleshade demonstrated for us. Very affective result. You do not Mapleshade wire however ribbon made a bigger difference on my homemade babies. charles
The foam idea seems reasonable, and I'm tempted to look into it, but I have the Oppo 95 which has a fan to circulate air to keep from overheating.Wouldn't this reduce or even completely cut off air circulation and cause heat issues?
John, you use the foam that is about .25" thick and very sparingly. I usually glue it to the top cover of the gear, or glue it to a piece on manila folder material and space it aboue the area that is the suspected offender. Digital sections in DACs or receivers is a good place or above a clock x'tal. Anything with a switcher as a power supply gets a liberal dose, but you HAVE to allow for circulation or you'll have a paperweight.Dave
If the unit needs a fan, then i would not use the foam.I have my DAC fully stuffed. It never got very warm, and is sealed.The point its to smother the emissions from digital IC chips.. So perhaps carful placement over only those chips would be useful. (be sure to ground the foam to the chassis with a fine gauge wire (the foam does retransmit RFI if it gets saturated and is not grounded to the chassis..)
These work good for me on unused preamp inputs.(Don't use on any unused outputs).
Curious to know why a 470 resistor in lieu of just wire ?
