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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

RE: ERS paper

like any tweak, a basic understanding of what it actually does is critical in understanding its application.

ERS absorbs $RFI. Specs for its absorption are available on the Stillpoints website. Where one would expect the greatest improvement in application, digital gear, one must be certain to understand the nature of many modern digital designs. Many current designs, particularly those which are typically warm sounding stock, employ a roll off circuit built into the the output stages. Regas are a good example of this, although I have seem simlar circuits in even the $10K Esoteric CD players and even the older Conrad Johnson designs. If you apply ERS to these designs, while the lower frequency range will improve in clarity, the top end will appear to be rolled off. The key is to lift one end of the the roll off circuit which is typically a simple capacitor and resister in series across the positive output to ground.

Also one must carefully analyze the circuit physical layout and apply the ERS to areas which are known RFI generators. Like any tweak indiscriminate application can be detrimental.


Stu


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  • RE: ERS paper - unclestu 13:37:53 06/27/12 (0)

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