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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: Non inductive resistors across speaker terminals. posted by mtosh72 on August 31, 2006 at 11:44:12:
By placing a nominal resistance ( 50 to 75 ohms)across the speaker terminals has the effect of lowering the total resistance the amplifier sees.All speakers exhibit a spike in resistance (impedance)at the low end and a gradual incease in resistance as the frequency gets higher. The peak resistance may be 50 to 75 ohms, depending of course on the driver being used. By placing a resistor (try to match peak resistance of the driver with the resistor value being used) in parallel with the VC, means the effective resistance is now approximately half of what it was without the resistor in place. Less resistance = more current = more efficient drive from the amplifier = more bass. You have to experiment a bit to determine what value of resistor will have the best effect. Having said that, I have tried it with little to no noticable effect on my lowther drivers.
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Follow Ups
- Re: Non inductive resistors across speaker terminals. - Kunzwerks 12:54:42 08/31/06 (3)
- Re: Non inductive resistors across speaker terminals. - Pooge 06:56:12 09/02/06 (0)
- Um. He's loading the non-driven voice-coil. (NT) - Kal Rubinson 13:38:24 08/31/06 (1)
- Thanks... maybe I should try reading glasses :) (NT) - Kunzwerks 15:01:40 08/31/06 (0)
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