Best Cable for canceling RFI

When you disconnected the interconnects was it at the amp or the source end ? You should have disconnected at the amp end to make sure the interconnects were not acting as antennas. Not all interconnects are well shielded, but you can build very good ones quite cheap.

I doubt your power cable will help since none of the wire between the circuit box and the outlet is shielded. You're right to be thinking about a power line filter to remove interference from the mains.

I would try to home demo a power conditioner to make sure the amp is not susceptible to air-borne RFI interference. RFI can get into the amp from the power supply OR just from the air into the preamp section of the integrated amp. Just hope it's not the latter. A power conditioner may not help ... so I would try before you buy.

Good luck.

Before you go for power conditioner, get(they're refundable) AudioQuest RF traps(junior model) from www.needledoctor.com and try to place them onto power cords, interconnect and speaker cables.

While we are on this subject, I also get RFI playing through my monoblocks and speakers. Even with the IC's unplugged (actually, worse with the IC's unplugged).

...help?

KP

I use the shielded cables from Sonoran Audio.The new Plateau series uses a steel micro bearing final shield that reduces micro-vibrations and has the added benefit of rejecting RFI.Really well constructed cable with van den Hul connectors.Good luck!

Either the amps are sensitive to RF signals or the cords ( power OR speaker ) are acting as antennas. Sometimes, simply moving the cords into a different pattern can cure the problem. Sometimes altering their length can cure the problem.

I would start off by trying to wind up any excess power cord into a small coil as tightly as possible near the amp. This will create a choke and may get rid of or minimize the problem. If that doesn't work, you can try attaching a ferrite clamp to the power cord very near the amp. You might also try shielding the amp ( large metal pot, turkey pan, etc... ) to see if the tubes or circuitry are picking up the signal if it doesn't already have a "cage" covering the tubes. While i would think that your speaker cables would be okay due to their geometry, try substituting some different cables to see if that helps..

Depending on the situation, it can be a tough one to solve. Take your time and do it step by step. Sean
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