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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: RE: Dynamic loading. posted by rwiley on September 7, 2009 at 15:40:06:
There seem to me to be two possible mechanisms for how these filters work.
First, they may be providing some resistive loading to the amp at frequencies where the amp SHOULD be well-behaved, but might have some stability problems. In this case, a five ohm resistor would work fine. This will double the corner frequency to 3.2 MHz with a 0.01 microfarad capacitor, so a larger capacitor might be better.
Second, they may be loading the cable to dampen electrical resonances. In this case, the resistor should be closer to the cable impedance. Since it is very unusual to find a cable impedance of four to five ohms (the Goertz flat cable is designed to have a four ohm impedance), a resistor value of ten ohms or higher might be better.
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Follow Ups
- Might work. - Al Sekela 15:58:07 09/08/09 (0)
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