[plug] Altering Gains on Multiple Audio Files
kdownes at bbnet.com.au
Thu Apr 2 10:34:29 WST 2009
You can purchase, from Jaycar, a neat little pre-amp (model# PA-928 -
RIAA I think is the standard) for, from memory, about $16.00. Inputs
are switchable between phono and aux. There is also a similar item
available in kit form from Altronics. Such a device might just do what
Daniel Pittman wrote:
> Jason Posavec <jasonposavec at iinet.net.au> writes:
>> Daniel Pittman wrote:
>>> What he needs is something that generates a line-level output, which the
>>> headphone socket can't deliver. You might get something that had a
>>> headphone input on one side and a line-out on the other...
>> So how does an iPod do so well, then? Or does that have a line-out?
> No idea, as I don't own one. Apple are, if anything, more restrictive
> of their software and hardware than Microsoft, so I avoid leasing
> anything from them.
> A quick check says that it does, on the "dock" interface, which is what
> is available when you use any of the cradle things that amplifier
> manufacturers and other CE providers use to connect them.
> The headphone output might also work if the levels are about right, or
> they might be like running 4 Ohm speakers on a regular amp: just fine,
> except that they generate enough extra heat from the additional load
> that the amplifier eventually melts.
> In other words: you /can/ get acceptable results, for a variety of
> reasons, as well as bad results, or disaster. Unless you actually know
> the specs of the hardware on both sides you are taking quite a gamble.
> It amazed me that this was true when I first learned it, many years ago.
>  I don't think the term "buying" is really appropriate if I don't
> actually control anything about the system, and they can remotely
> change the set of features at any point in time.
> PLUG discussion list: plug at plug.org.au
> Committee e-mail: committee at plug.linux.org.au
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