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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: RC Filter Progress To Date posted by Dave Garretson on May 8, 2010 at 16:19:49:
Just one resistor per filter. I want to be able to keep the resistance constant and equal to the characteristic impedance of my cables (71 ohms), and that cannot be done with parallel RC networks since branches of the circuit roll in and out as the frequency increases. I suppose several resistors in series may offer some advantages but those TX2575 are kind of pricey, and there is not a whole lot of room in the potting box, so for now I'm sticking with one per filter. They are rated for 0.6W per resistor - plenty to filter residual RF frequencies from your speakers. It takes a couple of weeks to get them from Texas Components, but the nice thing is they will custom make any value you want for no extra charge, so you can get the exact values you need and don't have to settle for stock values.
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- RE: RC Filter Progress To Date - Maxamillion 05/8/1016:33:35 05/8/10 (0)
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