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<blockquote data-quote="EricTundra" data-source="post: 8736995" data-attributes="member: 682362"><p>Got another question about signal to noise ratio that I didn't get a good grasp on by looking at the google threads. I gathered that a good signal to noise ratio for an amplifier is around 90db. The higher the better, so a 95 or 100db rating is better. So why are some amplifiers rated with a negative db score and how does that compare with the positive values? For instance, the MMATS is rated at -90db signal to noise ratio. </p><p></p><p>Something else that caught my attention is the frequency response. The values I usually see are something along the lines of 20Hz – 20000Hz +- 1dB, but again the MMATS has a stated frequency response of 10Hz – 300Hz +- 1dB? Does that mean it has no output above 300Hz? Obviously I'm missing something here. Anyone?</p></blockquote><p></p>
[QUOTE="EricTundra, post: 8736995, member: 682362"] Got another question about signal to noise ratio that I didn't get a good grasp on by looking at the google threads. I gathered that a good signal to noise ratio for an amplifier is around 90db. The higher the better, so a 95 or 100db rating is better. So why are some amplifiers rated with a negative db score and how does that compare with the positive values? For instance, the MMATS is rated at -90db signal to noise ratio. Something else that caught my attention is the frequency response. The values I usually see are something along the lines of 20Hz – 20000Hz +- 1dB, but again the MMATS has a stated frequency response of 10Hz – 300Hz +- 1dB? Does that mean it has no output above 300Hz? Obviously I'm missing something here. Anyone? [/QUOTE]
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