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Computer speakers reach max volume at half-maxed knob, won't go higher when knob turned more

post #1 of 6
Thread Starter 
So, yeah, I have a DAC/amp which my speakers are connected to, but the problem is that the volume seems to max out when the knob on the amp is turned about half-way up (this is with the volume on windows and my music player maxed and the gain on the amp set to high) and it doesn't get any louder even if I turn the knob all the way up instead of just half-way up. I don't know, it seems like the speakers or amp or whatever just doesn't have the "muscle" to produce louder sound or something. This is the case with any song I play, whether on my music player or YouTube, and is also a problem if I were to watch movies or game, so it's not like it's just a quiet mp3 file or something.

Fortunately, 95% of the time I use my HD600 headphones, and they get as loud as I want them no problem at all. It's just that the 5% of the time I use my speakers (when I exercise in my room and can't exactly wear my headphones) that it's a problem.

So, yeah, any idea what's up?

Thanks!
post #2 of 6
what's the amp and speakers?
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post #3 of 6
Thread Starter 
The speakers are Logitech Z2300 and the dac/amp is an Audio-GD NFB-12.
post #4 of 6
Hey there,

I recently had a very similar problem albeit with a different setup.. odd thing is i turned my speakers off and on again and the volume was reset back to normal.. also try turning your setup one unit at a time.. so dac then speakers... the problem was odd for me as i use a remote and probably messed up the volume settings that or it was on for tow days straight and that is what caused it.
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Shadow Moses
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post #5 of 6
I'm sure its normal.

99% of amplifiers don't normalize the inputs or anything like that, so their output volume depends on the level of the input. So, they're adjusted so that max volume produces the amp's max output for the most common of input levels.

Your DAC is probably putting out a much higher voltage signal than the the computer line out the speakers are built for, so it reaches max volume earlier. Increase the volume knob beyond that will only lead to more clipping.

Basically, the volume control takes the input signal and attenuates it, dropping the level by a fixed percentage for each position of the control. This is then fed into the amplifier section, which increases the volume a fixed gain factor, usually around 19x.
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post #6 of 6
Do they bottom out? What happens at max volume?
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