DIY Audioadaptor

[Marcel]

There's a notice on the wiki about a working adaptor I also own - didn't 
notice significant quality decrease with it and it works well. Just to 
possibly save you from soldering (although I know its fun). :)

-Marcel

Am Tuesday 28 October 2008 21:34:47 schrieb Thomas Köckerbauer:
> > I was about to solder myself an adaptor to use my headphones with the
> > FreeRunner as an ogg/flac player. I have found some jacks, which seem to
> > good for this task (german website):
> > http://www.reichelt.de/?;ACTION=3;LA=2;GROUP=C161;GROUPID=3237;ARTICLE=47
> >78 4
> > http://www.reichelt.de/?;ACTION=3;LA=2;GROUP=C161;GROUPID=3237;ARTICLE=47
> >78 5
> > http://www.reichelt.de/?;ACTION=3;LA=2;GROUP=C161;GROUPID=3237;ARTICLE=94
> >10
> >
> > Now I wonder, whether
> > a) the jack inside the fr is compatible to the ones of reichelt?
>
> I bought this connector:
> http://www1.at.conrad.com/scripts/wgate/zcop_at/~flN0YXRlPTM5NzYwMDU3MjU=?~
>template=pcat_product_details_document&product_show_id=730520&no_brotkrumenn
>avi=1&zhmmh_area_kz=LN It does not fit very well. The metal-base of the
> connector has a to large diameter. Since the headset socket of the
> Freerunner is a bit inside of the case the connector has only full contact
> if I press in the connector really hard (the case caves in a bit). As soon
> as I stop pressing the plug goes back outside a bit again and looses
> contact again. So you have to make sure that the base of the connector is
> not to large (this is somewhat similar to the headset connector problem
> that was there at the first iPhone).
> Maybe as a suggestion for improvement for further OpenMoko phones would be
> that the headset socket should be not be to far in the device.
> I'm now thinking about buying a Nokia headset and making an adapter out of
> it, since those have plugs that are normally smaller than those for
> self-soldering.
>
> > b) I just need to connect the jacks with a proper cable or do I have to
> > solder some resistor, capacitor or sth, different in between to work
> > around the bad sound quality some people have noticed?
>
> I did not add anything in between. I can't complain about the audio quality
> (I've also read those reports about bad sound quality, but I did not really
> notice anything).
>
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