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In Reply to: Correlation between amplifier gain, sensitivity and how it sounds? posted by mitch2 on June 11, 2016 at 14:54:27:
> I am curious whether I should be able to ascribe any particular sonic characteristics to their gain and sensitivity structure,
> or is [that] simply a point of interest with respect to how high the volume control needs to be turned up
My guess is that it's probably the latter; i.e., how high the volume control needs to be turned up to achieve a certain volume level. My advice would be to select an amplifier with a sensitivity and gain structure that allows your volume control to be placed between 12 o'clock and 2 o'clock for normal listening. My amplifier has input attenuators so I can adjust them to achieve the most desirable volume control setting.
As far as power amplifier gain is concerned, 39-dB sounds awfully high to me. That much gain in a power amplifier might be desirable if you're using a resistive passive preamp. My Parasound Halo A21 power amplifier has 29-dB gain and that is plenty for my needs. I still have to use its input attenuators in addition to reducing my control preamp's gain to its lowest setting of +4-dB. Consequently, I would say that even 26-dB gain might be sufficient for my purposes. My power amplifier produces 50-volts RMS at clipping and this requires an input of 1.774-volts RMS at 29-dB gain. It would require an input of 2.506-volts RMS at 26-dB gain.
Best regards,
John Elison
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- RE: Correlation between amplifier gain, sensitivity and how it sounds? - John Elison 16:32:54 06/11/16 (0)
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