Just wondering what peoples opinions on this are, especially in cases where higher gain isn't needed ie. low impedance cans. The conventional wisdom seems to say that it is better to use as little gain as possible, stick to the volume controls, and keeping your source/s high (example: Foobar at 0.00db, windows volume 75%-100%, volume on amp at preference, low gain).
The thing I'm finding is that gain adjustments change the tones slightly. On a number of Fiio amps/amps and dac's that I have tried the gain switch definitely has an impact on the sound quality. I've only been able to test this today with my AT A900X headphones as well as the newer AD900X.
When adjusting gain on the Fiio E17, Fiio E9, Fiio E07K, Fiio E11, higher gain seems to add "punch" to the lower end and a bit of brightness to the highs. Is it common for gain to do this among other headphones and amps? Also, would you view this as a positive impact on the sound quality or not? I suppose to different peoples ears these changes would be subjective, just wondering what thoughts people might have on it.
I've also read that adding the punch to lower end with gain can reduce sound stage, though to my ears I can't seem to confirm that.
- 449 Posts. Joined 12/2012
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