Freerunner audio channels

Paul Fertser fercerpav at
Mon Aug 10 13:53:37 CEST 2009

Alexander Shulgin <alex.shulgin at> writes:
> On Sat, Aug 8, 2009 at 14:05, Paul Fertser<fercerpav at> wrote:
>> David Fokkema <dfokkema at> writes:
>>> The fact that Freerunners differ in audio quality and settings has been
>>> stated on this list and on support. And going by the last paragraph,
>>> this is true.
>>> So, _why_ are Freerunners different?
>> One of the problems is that some freerunner revisions are in fact
>> different in hardware. Most devices have 1uF capacitors instead of
>> R3004/R3005 (which should be 0R), and that's not a joke. That is
>> earpiece path and not surprisingly that devices that have those
>> capacitors have considerably lower sound volume from the earpiece.
> And what do I do if I happen to have one?

Tweak alsa state files appropriately. There's a routing diagram on the
wiki that explains everything needed.

Be free, use free ( software!
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