Any one measured the EMI/RFI attenuation performance of audiophile power conditioners?

@deep_333 Your example is a very poor one. Since you quoted that only one manufacturer existed, then obviously you had no other choice to find a workaround. So it doen’t apply to current situation as you have a neumerous manufacturers providing the product. Besides power for Audio isn’t anything really special either so don’t try to make it sound something very special. It’s attitude of audiophiles of accepting subjectivity in every thing under the sun has lead to manufacturers take advantage.

Besides even though I have technical lnowledge and come from research background I don’t think engineering degree is needed to understand the need of measurements for power conditioning products which cost and arm and leg. Just common sense is needed.

@tonywinga I doubt those certifications will cost so much that power conditioners costing tens of grands cannot cover it. Besides Im not going to get into cables, thats another debatable topic.

Audio_phool

@vk_onfilter I saw the productline of your company which looks impressive & you seem to serve diverse industries including chip manufacturing, R&D centers etc. and you have provided the performance chart for your products. Besides you seem to have more than 40 years of experience in the field of EMI/RFI reduction/compliance. Is application of EMI/RFI filtering to audio any special than other industries you serve which allows one to not to specify the performance data? Can such practice will be acceptable if the same product was to used in other industries than in Audio?

Audio_phool

@deep_333 Your example is a very poor one. Since you quoted that only one manufacturer existed, then obviously you had no other choice to find a workaround. So it doen’t apply to current situation as you have a neumerous manufacturers providing the product. Besides power for Audio isn’t anything really special either so don’t try to make it sound something very special. It’s attitude of audiophiles of accepting subjectivity in every thing under the sun has lead to manufacturers take advantage.

Besides even though I have technical lnowledge and come from research background I don’t think engineering degree is needed to understand the need of measurements for power conditioning products which cost and arm and leg. Just common sense is needed.

@tonywinga I doubt those certifications will cost so much that power conditioners costing tens of grands cannot cover it. Besides Im not going to get into cables, thats another debatable topic.

Audio_phool

Just pack your bags, start a thread at ASR and tell them what a measurement wiz/data driven technical genius you are. The A’gon guys and every manufacturer designing power conditioners for hifi applications (Michael Borresen, Garth Powell, etc) are all soaked in snake oil indeed. They can’t keep up with your unmatched genius.

Goodbye now

@deep_333 do youself a favor and get out of audio rabbit hole to see that even $10-$20 commodity grade EMI filters have the specs/data published. So if me insisting on specs/measurements is going to get you worked up so much; it's better for you to say goodbye. Else you have a job to keep these manufacturers alive in the audio industry, as they won't survive outside Audiophilia with this way.

Audio_phool

What will you do with the attenuation performance data of a power conditioner, if you ever get it?  Will you have the power coming into your home analyzed to determine the best fit power conditioner for your needs?  Is getting this performance information an academic exercise?  Or more importantly, are you concerned that a manufacture has significant product variation such that copies of the same power conditioner will affect the sound differently in your system?  Has anyone ever done such testing?  I know camera lenses can have significant variation among copies such that some people will order multiple copies of the same lens and keep the one they like best.  

Otherwise, published specs do not mean much to us (or is it we) end users except for application specific specs like amplifier power at 1, 2, 4, and 8 ohms or the input/output impedance of a preamp or amp.  A speaker manufacturer typically provides efficiency, frequency response measurement data and impedance curves but they do not provide information on the individual drivers used or the tolerances of the component values in their crossovers.  

Also interesting might be how much filtering amplifier and DAC manufacturers design into their products.  That is not typically listed in their specifications although some will tout their copper plated metal chassis construction or such; but still do not specify the difference it makes in noise rejection.