Question about Gain, amp power and volume


I guess my question is how do i know if i have too much gain or too much power. I have pretty efficent speakers (Dunlavy sc3, i think around 91db) and a 175w integated (plinius 8200), i can only use my volume to about the 11 o'clock position before it is way too loud, i recently bought a pair of in line attenuators (i think they add 10db of resistance) and they help the problem but not by much. I have run into this problem in the past with certain preamp / power amp combos but as i am using an integrated amp now i was thinking i may have too much power, any thoughts appreciated
mkaes
Why do you feel that it is important to be able to open up the gain control further than you already are? Installing attenuators in series with the volume control only reduces transparency and detail. The only time such devices should be used is if the volume control ( aka "gain" ) is phenomenally touchy and hard to adjust for the desired listening level. If you find that the volume is constantly jumping from too soft to too loud by barely adjusting the gain, the attenuators might solve this. Otherwise, get them outa there.... Sean
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I think you are under the impression that there is an increase in sound quality with a higher volume knob setting. Not true. Keep the playback volume level where you like it. It's determined primarily by your listening room and the distance to your speakers - any amplifier over 20 watts has the potential for being too loud for the average listening room. Your system in someone elses room "9-oclock" may be too high and in another's "3-oclock" may not be loud enough. By all means, get rid of the attenuators.
Most any amp will sound best wide open. Volume controls (Esp. cheaper ones) are rather non-linear at the lower ends of their ranges. So I can see why he wants to run it more wide open.
Ed's is on point - in fact some manufacturers will even admit to this, that the pre-amp sounds best with the volume between 10 & 2. Also the volume control on many pre amps is not linear, the gradiations being much smaller as you rotate the dial going from as much (or more) than 3dbs per click to 1db. Its much easier to fine tune such a volume control if the effect of the output seen by the amp can be reduced. Personally, I agree with Sean re attenuators except for those circumstances where the input sensitivity of the amp and the speakers is so high as to make the preamp residual noise too apparent. Its a matter of your priorities - which way to go. Best way is to think it out before you buy your stuff, however unlikely it is that this will happen.
Ed brought up a good point and i agree. Having said that, i would rather have too much gain and have to keep the pot turned down than to have to run it at max and still be shy on volume. This is the kind of thing that boils down to component design and versatility. Since the manufacturer doesn't know the electrical characteristics of the mating amplifier, they try to cover all bases. Having said that, those with tube based preamps and SS power amps are in the worst boat. That is, they've got so much gain that they have to keep the pot turned WAY down most of the time. In order to increase volume control resolution / reduce the "touchiness" of the volume jumping around, they have to insert some type of attenuator in line. Now you've got two attenuators in line, which can only sound worse. Sean
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