Re: Oy! - Saab General Bulletin Board - Saabnet.com
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It's basically about power transfer efficiency. That's why I'm not sure exactly what he's trying to achieve. The point of a pre-amp is not to transfer power, it's to improve signal integrity. The input of the amp it feeds will be a very high impedance, so that as much of the voltage signal is transferred, but very little power. Terminating the output of the pre-amp with a resistor of the same value as the output impedance will maximise the power transfer to that resistor, and divide the voltage in half. I can't see how this is going to help with noise. The one thing it's going to do for sure is put a much greater load on the pre-amp than was ever intended by the designer.
posted by 198.84.247...
Posts in this Thread:
- Plumbing solved, onto electricity!, Justin VanAbrahams , Tue, 29 Oct 2013 16:46:14
- Re: Plumbing solved, onto electricity!, Gene N , Wed, 30 Oct 2013 05:17:15
- Re: Plumbing solved, onto electricity!, Justin VanAbrahams , Wed, 30 Oct 2013 09:58:36
- Re: Plumbing solved, onto electricity!, Gene N , Wed, 30 Oct 2013 12:05:13
- Also..., Justin VanAbrahams , Wed, 30 Oct 2013 11:12:52
- Re: Also..., Snowmobile , Wed, 30 Oct 2013 12:42:03
- Resistors, Justin VanAbrahams , Wed, 30 Oct 2013 12:50:54
- Re: Plumbing solved, onto electricity!, TML , Wed, 30 Oct 2013 01:46:55
- Oy!, Justin VanAbrahams , Wed, 30 Oct 2013 10:05:34
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