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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Re: Apart from the small problem with your math... posted by Hegeman's Ghost on January 7, 2007 at 13:32:57:
Although your final figures (108dB requires 128w) are correct, you did make a small error. Look at what you wrote:Let's say they are rated at 87 dB. This means that they will deliver a sound level of 87 dB at 1 meter when driven by one watt of power. To add another 3 dB of sound, you must double the power. So, to produce 91 dB of sound at 1 meter, you need 2 watts of power.
87 + 3 = 90.
Regards,
Geoff
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Follow Ups
- "And by the way, my math is correct" - Metralla 14:32:38 01/07/07 (7)
- Re: "And by the way, my math is correct" - Hegeman's Ghost 23:09:59 01/07/07 (6)
- Please explain the purpose of this post? - Unregistered Poster 00:19:50 01/09/07 (4)
- Re: Please explain the purpose of this post? - Hegeman's Ghost 13:49:32 01/12/07 (3)
- Yeah, I lunderstand. - Unregistered Poster 15:41:44 01/12/07 (2)
- Re: Yeah, I lunderstand. - Hegeman's Ghose 16:11:10 01/12/07 (1)
- If you read... - Unregistered Poster 21:49:45 01/12/07 (0)
- Hey - that post was not mine - Metralla 07:51:00 01/08/07 (0)
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