[plug] Altering Gains on Multiple Audio Files
daniel at rimspace.net
Fri Apr 3 10:41:59 WST 2009
Jason Posavec <jasonposavec at iinet.net.au> writes:
> Kev wrote:
>> 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 you want.
> So a hardware solution is my answer, rather than software?
Yes, it very much sounds like it in this case.
> Ideally, the device would pretend to be headphones for the benefit of
> the headphone jack, and a line-out for the purpose of the cd-in jacks,
> and sort the difference out in between.
> Does that sound like its specs? If so, problem solved!
Annoyingly, I can't find that device on the online Jaycar website, which
However, Kev cites that as being the "RIAA" standard, which is a
standard for amplification and modification of sound from a record
player that conforms to the RIAA standard response curves.
This is not applicable to headphones, which don't require such a preamp;
you can find the same equipment behind the "phono in" socket on almost
That suggests, sadly, that this isn't the device you want. Jaycar also
fail to list anything that does — they have some "line level to
headphone" amplifiers, but not the reverse.
 Actually, I don't know if you can any more, what with records being
old fashioned now. They still show up on higher end kit, and on
most stuff from ten years ago, though. :)
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