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Speaker Asylum General speaker questions for audio and home theater. |
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Speaker Asylum General speaker questions for audio and home theater. |
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In Reply to: increasing impedence of a driver posted by Rob F on November 17, 2007 at 21:49:21:
Actually it is just as simple as adding a series 8 ohm resistor. The problem is that when you add that 8 ohm resistor, it eats up half the applied power, and there's no way around that. Now if you are turning an 8 ohm midrange horn or driver or even some tweeters into a 16 ohm driver you probably can get away with the conversion. However, trying to use an 8 ohm woofer as a 16 ohm speaker with a series connected 8 ohm resistor is a bad idea; even a dangerous idea. Such a connection became dangerous for me once when trying to 'adjust' the impedance of a woofer. I added the series resistor to the crossover, put the crossover back in the speaker enclosure, reconnected and installed the woofer and forgot about it. Several weeks later I kept smelling a pine fragrance coming from that corner of the room. Eventually, I reopened the speaker enclosure to discover that the series resistor had gotten so hot it had blackened the interior wood of the box. I was lucky I didn't start a fire. Well, at least I didn't put my eye out with one of those things.......whatever the hell that means.:-)
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Follow Ups
- RE: increasing impedence of a driver - corerosin 07:41:12 11/18/07 (0)
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