Mac Pro and Audio

[Chad Leigh]

On Nov 19, 2006, at 2:14 PM, Chad Leigh wrote:

>
> On Nov 19, 2006, at 1:47 PM, Finlay Dobbie wrote:
>
>> On 19/11/06, LuKreme <kremels at kreme.com> wrote:
>>> When i press the volume buttons on my keyboard I get a quartz affect
>>> showing the volume at full level and a "do not" symbol underneath.
>>>
>>> The audio out is set to "Line Out" and I have speakers connected to
>>> the machine, but I can't change volume levels.
>>
>> That's because line out is at, uh, line level. You need an amplifier.
>
> That is irrelevant.   You should need an amplifier to make use of  
> the sound, perhaps, as line level is not that "hot" but there is  
> nothing about line level that says that it is a constant level and  
> cannot vary.  Volume adjustments can be made to line level outputs  
> (in general -- I do not know what the issue is here).
>


As a followup, my G5 has output set to "Line Out" and the volume keys  
and system volume control work just fine.

Chad